low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 1 of 29
C Frame MKIV - Series Circuit Breakers
The C Frame is the most traditional distribution and equipment protection circuit breaker and is available in 1 to 4 poles. This front mounted circuit breaker is available for panel mounting, and is available with a toggle handle and rocker handle.
The C Frame MKIV circuit breaker is used in power distribution units, lighting control and in other equipment.
Approvals
The C frame MKIV is CE certified and carries various approvals such as VDE , cURus, CSA, EAC and CCC. It is also recognised to UL 1077, UL 1500 and UL 508, and listed to UL 489 and UL 489A.
S
A005438
• AC and DC circuit breaker• Hydraulic-magnetic technology• 100% rating capability independent of ambient temperature • Up to four poles• VDE, EAC and CCC approved, CE certified• UL compliant (listed / recognised)• Ratings 0.1 to 50 A (specific certifications)• Precision tripping characteristics• Wide range of circuits, mountings, terminations and time
delays• Two colour handle indication (two tone flush rocker)• Optional mid-trip indication (standard handle)• Optional auxiliary switch and trip alarm
Features Applications• Telecom DC Power distribution• UPS equipment• Mobile power generation equipment• Alternative energy equipment• Lighting control• Marine protection
CMKIV-SERIES-CATOCT 2016
CataloguePage 2 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
Technical Data
Product Type C Frame MKIVOperating Temperature Range -40 °C to +85 °C
Endurance 10000 operations - 1500 electrical at rated current and voltage (IEC 60934)6000 electrical operations (UL 1077)
Dielectric Strength 1000 - 2000 V, 50 Hz for one minute after testing (IEC 60934)Weight 70 g per pole (unpacked)Humidity 35 to 85% relative humidity
Altitude Certification tests done at altitude ≈ 2000 metres. Will operate at higher altitudes.Shock 100 G to MIL-STD-202G, test method 213B, test condition 1Vibration 10 G to MIL-STD-202G test method 204D, test condition AFlammability I2 - No ignition at 850 °C with an oxygen index of ≥ 32Toxicity F1 - Smoke index of ≤ 20 which determines the fume class
Pollution Degree PD2 - Normally only non-conductive pollution occurs. Temporary conductivity caused by condensation is to be expected.
Product Type Circuit Breaker Circuit Breaker Circuit BreakerApprovals UL 489 / CSA UL 489A UL 1077 / CSANumber of Poles 1, 2 1, 2 1 - 4Maximum Voltages 120 / 240 V AC 80 V DC 240 V AC, 277 V AC, 80 V DC
Current Ratings 0.05 - 20 A 0.05 - 50 A 0.05 - 50 A, 0.1 - 30 A,0.05 - 50 A DCInterrupting Capacity 5 kA 5 kA 2 kA (AC), 7.5 kA (DC)
Product Type Circuit Breaker Circuit Breaker SwitchApprovals IEC / EN 60934, VDE, CE, CCC UL 1500 UL 508Number of Poles 1 - 4 1, 2 1 - 4Maximum Voltages 240 / 415 V AC, 80 V DC 120 / 240 V AC, 65 V DC 240 V AC, 277 V AC, 80 V DC
Current Ratings 0.05 - 50 A / 0.1 - 30 A, 0.05 - 50 A DC
0.05 - 50 A 50 A
Interrupting Capacity 2 kA (AC), 4 kA (DC) 1.5 kA -
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 3 of 29
C Frame MKIV - Series Circuit Breakers
Group 1: Frame
Code Description Comments
C C-Frame
Group 2: Type
Code Description Comments
B C-Frame MKIV
G C-Frame MKIV UL 1500
Group 3: Mounting
Code Description Comments
2 Front mount round aperture, fleet Warning: Maximum penetration depth into the mounting screw is 5.4 mm
3 Snap-in mount edges bevelled, without handle guards
B Snap-in mount edges flush, without handle guards
C Front mount round aperture, dome Required for UL listed products. Maximum penetration depth into the product by the mounting screw is 5.4 mm.
S Front mount rectangular aperture flush rocker handle Warning: maximum penetration depth into the mounting screw is 5.4 mm
Group 4: Handle
Code Description Comments
A Standard (toggle) handle For mountings 2, 3, B and C
C Cut-off handle - single pole only For mountings 3, B, 2, C. Only 1 handle per unit
H Flush rocker handle For mounting S only. Only 1 handle per unit. Reduced handle.
M Flush rocker handle, two tone For mounting S only. Only 1 handle per unit. Reduced handle.
Q Flush rocker handle, push-to-reset for mounting version S
R Flush rocker handle, push-to-reset, two tone for mounting version S
2 Standard handle, mid-trip For mountings 3, B, 22, C
Group 5:Termination
Code Description Comments Code Description Comments
CX Quick connect terminal (0.8 mm x 6.35 mm) 30 A max 52Screw terminal 30o bent, bus connected
(M5 or 10-32) 50 A max
22 Screw terminal, bus connected (M5 or 10-32) 50 A max 62 Marine Screw Terminal (M5 or 10-32) 50 A max
32 Screw terminal, upturned ears(M5 or 10-32) 50 A max ZZ Special - specify
42 Screw terminal 30o bent, bus connected
(M5 or 10-32) 50 A max
Group 6: Number of Poles
Code Description Code Description
1 1 pole metric A 1 pole imperial
2 2 pole metric B 2 pole imperial
3 3 pole metric C 3 pole imperial
4 4 pole metric D 4 pole imperial
Group 7: Rated Voltage and Frequency - Main Circuit
Code Description Comments
E 65 V DC
J 240 V 50 / 60 Hz
K 277 V 50 / 60 Hz
L 80 V DC / 277 V 50 / 60 Hz AC / DC version. With AC and DC curves
M 80 V DC / 240 V 50 / 60 Hz AC / DC version. With AC and DC curves
N 80 V DC
Q 240 / 415 V 50 / 60 Hz 3 Phase multi-wire system
R 277 / 480 V 50 / 60 Hz 3 Phase multi-wire system
S 120 / 240 V 50 / 60 Hz 3 Wire centre tap supply. 120 V per phase
Z Special - specify
C Frame MKIV Series Circuit BreakersOrdering Information
CMKIV-SERIES-CATOCT 2016
CataloguePage 4 of 29
low voltage
C Frame MKIV - Series Circuit BreakersC Frame MKIV - Series Circuit Breakers
Group 8: Time Delay Characteristics (Curve Details); Pulse Tolerance at 10 ms
Code Description System Pulse Tolerance (X In) Code Description System Pulse Tolerance (X In)
AD Long delay 50 / 60 HzAS & dual rated AC and DC 8 -
10 CH Short delay 50 / 60 HzCS & high inrush AC
12 - 15
BD Medium delay 50 / 60 HzBS & dual rated AC and DC 8 - 10 AS Long delay 50 / 60 Hz AC or DC 8 - 10
CD Short delay 50 / 60 HzCS & dual rated AC and DC 6 - 8 BS Medium delay 50 / 60 Hz AC or DC 8 - 10
AE Long delay 50 / 60 HzAH & inertia delay AC 28 - 35 CS Short delay 50 / 60 Hz AC or DC 6 - 8
BE Medium delay 50 / 60 HzBH & inertia delay AC 28 - 35 AW
Long delay 50 / 60 HzAD & inertia delay AC and DC 16 - 20
CE Short delay 50 / 60 HzCH & inertia delay AC 21 - 35 BW
Medium delay 50 / 60 HzBD & inertia delay AC and DC
16 - 20
AI Long delay 50 / 60 HzAS & inertia delay AC or DC 16 - 20 CW
Short delay 50 / 60 HzCD & inertia delay AC and DC
12 - 15
BI Medium delay 50 / 60 HzBS & inertia delay AC or DC 16 - 20 H3 Short delay DC 6 - 8
CI Short delay 50 / 60 HzCS & inertia delay AC or DC 12 - 15 OP Instantaneous trip 50 / 60 Hz AC and DC None
AH Long delay 50 / 60 HzAS & high inrush AC 16 - 20 OX Switch 50 / 60 Hz AC and DC -
BH Medium delay 50 / 60 HzBS & high inrush AC 16 - 20 ZZ Special - specify
Group 9: Rated Current (Main Circuit) - Examples Only - Specific A Ratings Possible
Code Description Comments
XXXX Not applicable
Examples only - specific A ratings possible from 0.5 - 50 A
050M 50 mA
100 1 A
1000 10 A
5000 50 A
Group 10: Circuit Configuration (Circuit Breaker’s Internal Construction)
Code Description Comments
AX Switch
BX Series trip Circuit breaker, current coil in series
CX Relay Trip current sensing, centre terminal construction, four terminal Total load 50 A max
DX Relay Trip voltage sensing, centre terminal construction, four terminal See group 12 for voltage options
EX Shunt Trip current sensing, 3rd terminal close to load side Total load 50 A max
FX Shunt Trip voltage sensing, 3rd terminal close to load side See group 12 for voltage options
GX Dual control shunt trip construction, 3rd terminal close to load sideCurves AH, BH, CH, AE, BE, CE not possible. See group 12 for voltage options
(voltage coil normally at line voltage).
HX Dual control relay trip construction (4 terminal) Curves AH, BH, CH, AE, BE, CE not possible. See group 12 for voltage options
JX Switch with auxiliary switch
KX Series trip, with auxiliary switch
ZZ Special - specify
Group 11: Auxiliary and Alarm Switches
Code Description Comments
X Not applicable No Auxiliary Switch - flat base plate
A Gold tips, equally spaced terminals 2.75 mm, 0.1 A max
B Silver tips, equally spaced terminals 2.75 mm, 10 A max
Z Special - specify
Group 12: Voltage and Current Ratings for Dual Control, Shunt and Relay Trip Construction)
Code Description Code Description Code Description Code Description
XX Not applicable A5220 - 240 V AC
50 / 60 HzB1 24 V DC B3 80 V DC
A4110 - 125 V AC
50 / 60 HzB0 12 V DC B2 48 V DC ZZ Special - specify
Group 13: Voltage and Current Ratings for Dual Control, Shunt and Relay Trip Construction
Code Description Comments
X Not applicable
B Screw terminal,s M4 or 10 - 32 50 A max
C Quick connect terminals (0.8 mm x 6.35 mm) 30 A max
C Frame MKIV Series Circuit BreakersOrdering Information
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 5 of 29
C Frame MKIV - Series Circuit BreakersC Frame MKIV - Series Circuit Breakers
C Frame MKIV Series Circuit BreakersOrdering Information
For options not listed, please contact CBI
Group 14: Voltage for Illuminated Rocker
Code Description Comments
X Not applicable
Group 15: Terminal for Illuminated Rocker
Code Description Comments
X Not applicable
Group 16: Handle Colour
Code Description Comments
X No handle
B Black handle, white marking
G Green handle, white marking
W White handle, black marking
R Red handle, white marking
Y Yellow handle, black marking
Group 17: Marking
Code Description Comments
X No handle (n/a)
D 1 - 0 and ON - OFF For products requiring VDE approvals and UL mark (IEC / EN 60934 & UL 1077)
H 1 - 0 and ON - OFF and Ampere rating
I Push-to-reset and Ampere rating Group 3 option S only. Group 4 options Q or R only. Flush rocker or two tone rocker handle.
Group 18: Mounting Orientation for Marking
Code Description Comments
X No handle (n/a)
1 Vertical (reverse mounting, line @ bottom)
2 Horizontal (line @ right)
H Horizontal (line @ left)
V Vertical (standard mounting, line @ top)
Group 19: Front Plate Marking and Test Button
Code Description Comments
2 No marking, with test button, rocker handle
A Standard marking, standard handle
B No marking, rocker handle
Group 20: Inter-phase Barrier and Terminal Cover
Code Description Comments
X Not applicable
1 Terminal cover(s)
2 Small inter-phase barrier and terminal cover
4 Z inter-phase barrier and terminal cover
A Small inter-phase barrier
C Z inter-phase barrier
Group 21: Approvals (Product Normally Approved to)
Code Description Comments
1 CUR, UL recognised UL 1077, CSA, IEC / EN 60934, VDE, CE
2 CUL, UL listed UL 489, CSA, IEC / EN 60947-2, VDE, CE
3 UL listed UL 489A, IEC / EN 60947-2, VDE, CE
Z No third party approvals
Group 22: Safety Marks
Code Description Comments
- Not applicable
C CCC / CRCC
Z Special - specify
Group 13: Voltage and Current Ratings for Dual Control, Shunt and Relay Trip Construction
Code Description Comments
X Not applicable
B Screw terminal,s M4 or 10 - 32 50 A max
C Quick connect terminals (0.8 mm x 6.35 mm) 30 A max
CMKIV-SERIES-CATOCT 2016
CataloguePage 6 of 29
low voltage
C Frame MKIV - Series Circuit BreakersC Frame MKIV 80 V DC - UL 489
C Frame MKIV 80 V AC - UL 1077, CSA
C Frame MKIV
UL
489A
Poles 1 Pole 2 Pole80 V DC X X
Fron
t M
ount
Standard Handle 0.05 - 50 A ; 5 kA 0.05 - 50 A ; 5 kA
Reduced Handle 0.05 - 50 A ; 5 kA 0.05 - 50 A ; 5 kA
Cut-off Handle 0.05 - 50 A ; 5 kA 0.05 - 50 A ; 5 kA
Rocker Handle Flush 0.05 - 50 A ; 5 kA 0.05 - 50 A ; 5 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip 30 VA voltage coils X X
Dual Control Voltage Trip 30 VA voltage coils X X
Time Delay AS longest tested. AI 30 A Max
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
cUR
us U
L 10
77 C
SA
Poles 1 Pole 2 Pole80 V DC X X
Fron
t M
ount
Standard Handle 0.05 - 50 A ; 7.5 kA 0.05 - 50 A ; 7.5 kA
Reduced Handle 0.05 - 50 A ; 7.5 kA 0.05 - 50 A ; 7.5 kA
Cut-off Handle 0.05 - 50 A ; 7.5 kA 0.05 - 50 A ; 7.5 kA
Rocker Handle Flush 0.05 - 50 A ; 7.5 kA 0.05 - 50 A ; 7.5 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip
Dual Control Voltage Trip
Time Delay AS, BS, CS, H3, AI, BI, CI, AD, BD, CD, AW, BW, CW, OP
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 7 of 29
C Frame MKIV - Series Circuit Breakers
C Frame MKIV 80 V DC - UL 508 Recognised
C Frame MKIV 80 V DC - IEC / EN 60934, CE, CCC
UL
508
Rec
ogni
sed
Poles 1 Pole 2 Pole80 V DC X X
Fron
t M
ount
Standard Handle 50 A 50 A
Reduced Handle 50 A 50 A
Cut-off Handle 50 A 50 A
Rocker Handle Flush 50 A 50 A
Series Trip
Series Mid Trip
Switch X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip
Dual Control Voltage Trip
Time Delay OX
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
IEC
/ E
N 6
0934
VD
E C
E
CC
C
Poles 1 Pole 2 Pole80 V DC X X
Fron
t M
ount
Standard Handle 0.05 - 50 A ; 4 kA 0.05 - 50 A ; 4 kA
Reduced Handle 0.05 - 50 A ; 4 kA 0.05 - 50 A ; 4 kA
Cut-off Handle 0.05 - 50 A ; 4 kA 0.05 - 50 A ; 4 kA
Rocker Handle Flush 0.05 - 50 A ; 4 kA 0.05 - 50 A ; 4 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip X X
Dual Control Voltage Trip X X
Time Delay AS,BS, CS, H3, AI, BI, CI, AW, BW, CW, OP
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
CMKIV-SERIES-CATOCT 2016
CataloguePage 8 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C Frame MKIV 120 V AC - UL 489, CSA
C Frame MKIV 120 V, 120 / 240 V, 277 V AC - UL 1077, CSA
cULu
s U
L 48
9 C
SA
Poles 1 Pole 2 Pole
120 V AC X X
120 / 240 V X
Fron
t M
ount
Standard Handle 0.05 - 20 A ; 5 kA 0.05 - 20 A ; 5 kA
Reduced Handle 0.05 - 20 A ; 5 kA 0.05 - 20 A ; 5 kA
Cut-off Handle 0.05 - 20 A ; 5 kA 0.05 - 20 A ; 5 kA
Rocker Handle Flush 0.05 - 20 A ; 5 kA 0.05 - 20 A ; 5 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip
Dual Control Voltage Trip
Time Delay AS longest tested
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
cUR
us U
L 10
77 C
SA
Poles 1 Pole 2 Pole
120 V AC X X
120 / 240 V AC X277 V AC X
Fron
t M
ount
Standard Handle 0.05 - 50 A ; 2 kA 0.05 - 50 A ; 2 kA
Reduced Handle 0.05 - 50 A ; 2 kA 0.05 - 50 A ; 2 kA
Cut-off Handle 0.05 - 50 A ; 2 kA 0.05 - 50 A ; 2 kA
Rocker Handle Flush 0.05 - 50 A ; 2 kA 0.05 - 50 A ; 2 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip X X
Dual Control Voltage Trip X X
Time Delay AS,BS, CS, H3, AI, BI, CI AH, BH, CH, AW, BW, CW, OP
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
Notes 3 kA with fuse @ 120 V AC
5 kA with fuse
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 9 of 29
C Frame MKIV - Series Circuit Breakers
C Frame MKIV 240 V AC - UL 1077, CSA
C Frame MKIV 120 V AC - UL 1500
cUR
us U
L 10
77 C
SA
Poles 1 Pole 2 Pole 3 Pole 4 Pole 5 Pole 6 Pole240 V AC X X X X X X
Fron
t M
ount
Standard Handle 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA
Reduced Handle 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA
Cut-off Handle 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA
Rocker Handle Flush 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA 0.05 - 50 A; 3 kA
Series Trip X X X X X X
Series Mid Trip X X X X X X
Shunt Trip X X X X X X
Relay Trip X X X X X X
Dual Control Shunt Trip X X X X X X
Dual Control Voltage Trip X X X X X X
Time Delay AS,BS, CS, H3, AI, BI, CI AH, BH, CH, AW, BW, CW, OP
Term
inal
s
Screw X X X X X X
Quick Connect X X X X X X
Plug-in 4 mm X X X X X X
PCB Mount X X X X X X
Marine Terminals X X X X X X
Aux Switch Silver X X X X X X
Aux Switch Gold X X X X X X
UL
1500
Poles 1 Pole 2 Pole
120 V AC X X
Fron
t M
ount
Standard Handle 0.05 - 50 A ; 1.5 kA 0.05 - 50 A ; 1.5 kA
Reduced Handle 0.05 - 50 A ; 1.5 kA 0.05 - 50 A ; 1.5 kA
Cut-off Handle 0.05 - 50 A ; 1.5 kA 0.05 - 50 A ; 1.5 kA
Rocker Handle Flush 0.05 - 50 A ; 1.5 kA 0.05 - 50 A ; 1.5 kA
Series Trip X X
Series Mid Trip X X
Shunt Trip X X
Relay Trip X X
Dual Control Shunt Trip X X
Dual Control Voltage Trip X X
Time Delay - -
Term
inal
s
Screw X X
Quick Connect X X
Plug-in 4 mm X X
PCB Mount X X
Marine Terminals X X
Aux Switch Silver X X
Aux Switch Gold X X
CMKIV-SERIES-CATOCT 2016
CataloguePage 10 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C Frame MKIV 240 V AC - IEC / EN 60934, VDE, CE, CCC
C Frame MKIV 240 V AC - UL 508 Recognised
IEC
/ E
N 6
0934
VD
E C
E
CC
C
Poles 1 Pole 2 Pole 3 Pole 4 Pole240 V AC X X X X
Fron
t M
ount
Standard Handle 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA
Reduced Handle 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA
Cut-off Handle 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA
Rocker Handle Flush 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA 0.05 - 50 A; 2 kA
Series Trip X X X X
Series Mid Trip X X X X
Shunt Trip X X X X
Relay Trip X X X X
Dual Control Shunt Trip X X X X
Dual Control Voltage Trip X X X X
Time Delay AS,BS, CS, H3, AI, BI, CI AH, BH, CH, AW, BW, CW, OP
Term
inal
s
Screw X X X X
Quick Connect X X X X
Plug-in 4 mm X X X X
PCB Mount X X X X
Marine Terminals X X X X
Aux Switch Silver X X X X
Aux Switch Gold X X X X
Notes 5 kA with fuse
UL
508
Rec
ogni
sed
Poles 1 Pole 2 Pole 3 Pole 4 Pole240 V AC X X X X
Fron
t M
ount
Standard Handle 50 A 50 A 50 A 50 A
Reduced Handle 50 A 50 A 50 A 50 A
Cut-off Handle 50 A 50 A 50 A 50 A
Rocker Handle Flush 50 A 50 A 50 A 50 A
Series Trip
Series Mid Trip
Switch X X X X
Shunt Trip X X X X
Relay Trip X X X X
Dual Control Shunt Trip
Dual Control Voltage Trip
Time Delay OX
Term
inal
s
Screw X X X X
Quick Connect X X X X
Plug-in 4 mm X X X X
PCB Mount X X X X
Marine Terminals X X X X
Aux Switch Silver X X X X
Aux Switch Gold X X X X
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 11 of 29
C Frame MKIV - Series Circuit Breakers
C Frame MKIV 277 V AC - UL 1077, CSA
C Frame MKIV 240 V AC - UL 508 Listed
cUR
us U
L 10
77 C
SA
Poles 1 Pole277 V AC X
Fron
t M
ount
Standard Handle 0.05 - 30 A ; 2 kA
0.05 - 30 A Motor Starter
Reduced Handle 0.05 - 30 A ; 2 kA
Cut-off Handle 0.05 - 30 A ; 2 kA
Rocker Handle Flush 0.05 - 30 A ; 2 kA
Series Trip X
Series Mid Trip X
Shunt Trip X
Relay Trip X
Dual Control Shunt Trip X
Dual Control Voltage Trip X
Time Delay AS,BS, CS, H3, AI, BI, CI AH, BH, CH, AW, BW, CW, OP
Term
inal
s
Screw X
Quick Connect X
Plug-in 4 mm X
PCB Mount X
Marine Terminals X
Aux Switch Silver X
Aux Switch Gold X
Notes 5 kA with fuse
UL
508
List
ed
Poles 1 Pole240 V AC X
Fron
t M
ount
Standard Handle 50 A
Reduced Handle 50 A
Cut-off Handle 50 A
Rocker Handle Flush 50 A
Series Trip
Series Mid Trip
Switch X
Shunt Trip X
Relay Trip X
Dual Control Shunt Trip
Dual Control Voltage Trip
Time Delay OX
Term
inal
s
Screw X
Quick Connect X
Plug-in 4 mm X
PCB Mount X
Marine Terminals X
Aux Switch Silver X
Aux Switch Gold X
CMKIV-SERIES-CATOCT 2016
CataloguePage 12 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED LONG DELAY50 / 60 Hz DC
CODE: ADNOTE: 8 X INRUSH
}
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED MEDIUM DELAY50 / 60 Hz DC
CODE: BDNOTE: 8 X INRUSH
}
C Frame MKIV Time Delay Curves
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 13 of 29
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED SHORT DELAY50 / 60 Hz DC
CODE: CDNOTE: 6 X INRUSH
}
C Frame MKIV Time Delay Curves
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC HIGH-INRUSH LONG DELAY
CODE: AH /AENOTE: AH - 20 x INRUSH, AE 35 x INRUSH
}
CMKIV-SERIES-CATOCT 2016
CataloguePage 14 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz HIGH-INRUSH MEDIUM DELAY
CODE: BH / BENOTE: BH - 20 X INRUSH, BE 25 X INRUSH
}
C Frame MKIV Time Delay Curves
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
HIGH-RUSH SHORT DELAY 50 / 60 Hz
CODE: CH / CENOTE: CH -15 X INRUSH, CE - 35 X INRUSH
}
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 15 of 29
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC LONG DELAY WITH INRUSH PULSE TOLERANCE
CODE: AINOTE: 20 x INRUSH
}
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC MEDIUM DELAY WITH INRUSH PULSE TOLERANCE
CODE: BINOTE: 20 X INRUSH
}
C Frame MKIV Time Delay Curves
CMKIV-SERIES-CATOCT 2016
CataloguePage 16 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC LONG DELAY WITH INRUSH PULSE TOLERANCE
CODE: CINOTE: 15 x INRUSH
}
C Frame MKIV Time Delay Curves
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC LONG DELAY
CODE: ASNOTE: 8 x INRUSH
}
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 17 of 29
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC MEDIUM DELAY
CODE: BSNOTE: 8 X INRUSH
}
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC SHORT DELAY WITH
CODE: CSNOTE: 6 X INRUSH
}
C Frame MKIV Time Delay Curves
CMKIV-SERIES-CATOCT 2016
CataloguePage 18 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED LONG DELAY WITH50 / 60 Hz DC INRUSH PULSE TOLERANCE
CODE: AWNOTE: 20 x INRUSH
}
C Frame MKIV Time Delay Curves
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED MEDIUM DELAY WITH50 / 60 Hz DC INRUSH PULSE TOLERANCE
CODE: BWNOTE: 20 X INRUSH
}
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 19 of 29
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
DUAL RATED SHORT DELAY WITH50 / 60 Hz INSTANTANEOUS
CODE: CWNOTE: 15 X INRUSH
}
C Frame MKIV Time Delay Curves
% %%%%%%%%%%%%%PERCENTAGE OF RATED CURRENT
MINIMUM TRIP TIMEIN SECONDS
MAXIMUM TRIP TIMEIN SECONDS
NOTRIPNOTRIP
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC SHORT DELAY
CODE: H3
}
CMKIV-SERIES-CATOCT 2016
CataloguePage 20 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
PERCENTAGE OF RATED CURRENT
TR
IP T
IME
IN S
ECO
ND
S
TYPICAL TIME / CURRENT CHARACTERISTICS AT 25°C
50 / 60 Hz DC INSTANTANEOUS
CODE: OP
}
C Frame MKIV Time Delay Curves
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 21 of 29
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Sta
ndar
d H
andl
e (D
ome
Mou
nt)
Out
line
Dim
ensi
ons
CMKIV-SERIES-CATOCT 2016
CataloguePage 22 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Sta
ndar
d H
andl
e (D
ome
Mou
nt)
Out
line
Dim
ensi
ons
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 23 of 29
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Sta
ndar
d R
educ
ed H
andl
e O
utlin
e D
imen
sion
s
CMKIV-SERIES-CATOCT 2016
CataloguePage 24 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Fle
et M
ount
Han
dle
Out
line
Dim
ensi
ons
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 25 of 29
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Fle
et R
educ
ed H
andl
e O
utlin
e D
imen
sion
s
CMKIV-SERIES-CATOCT 2016
CataloguePage 26 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Roc
ker
Han
dle
Out
line
Dim
ensi
ons
low voltage
CMKIV-SERIES-CATOCT 2016
CataloguePage 27 of 29
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Rel
ay a
nd S
hunt
Tri
p U
nits
Out
line
Dim
ensi
ons
CMKIV-SERIES-CATOCT 2016
Data SheetPage 28 of 29
low voltage
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Ada
ptor
Pla
tes
Out
line
Dim
ensi
ons
Please review our Customer Terms and Conditions on www.cbi-lowvoltage.co.zaAll rights reserved. Unless otherwise indicated, all materials on these pages are copyrighted by CBI (Pty) Ltd. No part of these pages, either text or image may be used for any purpose other than personal use. Therefore, reproduction, modification, storage in a retrieval system or retransmission, in any form or by any means, electronic, mechanical or otherwise, for reasons other than personal use, is strictly prohibited without prior written permission. CBI (Pty) Ltd reserves the right to alter any details of this document without notice and while every effort is made to ensure the accuracy of the content, no warranty is given as to accuracy of this document and no responsibility will be accepted for error or misinterpretation and any resulting loss.
CMKIV-SERIES-CATOCT 2016
low voltage
Data SheetPage 29 of 29
A member of the Group
© 2016.09 CBI (Pty) Ltd. All Rights Reserved.
SCANDINAVIAEmcomp International ABBox 7, Hemvägen 12732 71, Fellingsbro SwedenTel: +46 (0)581 62 15 50Fax: +46 (0)581 62 15 60Email: [email protected]: www.emcomp.se
EUROPEEmcomp International ABGewerbepark 2385250 Altomünster GermanyTel: +49 8254 994 334 10Fax: +49 8254 994 334 19Email: [email protected]: www.emcomp.de
C Frame MKIV - Series Circuit Breakers
C F
ram
e M
KIV
Rea
r In
ter-
phas
e B
arri
ers
Out
line
Dim
ensi
ons