WIRING DIAGRAMS

SPECIFICATION SHEET

EWZ103 MULTIPURPOSE CONTROL1 CHANNEL7 DAY TIME SWITCH

APPLICATIONS• Outdoor signs.• Lighting security.• Heating and air conditioning.

FEATURESSCHEDULING : 32 ON & OFF set pointsfor individual programs for each day of the week. Minimum setting is 1 minute.SunSet ASTRONOMIC: Adjusts daily to changes in sunset times. Adjustable 10 ° - 60 ° Northern or Southern latitudes. Can be individually offset +/- 1-240 minutes from both sunset and sunrise times.DAYLIGHT SAVING : Automatic (can be omitted).LEAP YEAR : Automatic Compensation.MANUAL OVERRIDE : Until the next regularly scheduled ON or OFF, automatic operation then resumes.CLOCK FORMAT : AM/PM.POWER OUTAGE BACKUP : Permanent schedule retention. Supercapacitor provides 4 days of real time backup.

SPECIFICATIONSTIMING ACCURACY : Line Frequency. INPUT VOLTAGE : 120 - 277VAC, 50/60Hz (automatic detection).TERMINAL RANGE : #8 - #16AWG.OPERATING TEMPERATURE : -40 °F to 149 °F (-40 °C to 65 °C). POWER CONSUMPTION : 6VA Max.ENCLOSURE : Polycarbonate Indoor/Outdoor NEMA 3R is standard with lockable hasp.

9730 Northcross Center Court Huntersville, NC 28078P: 800.321.5847

www.nsiindustries.com

CONTACT RATINGS

ORDERING INFO

3

SPST

4

LOAD

120/277V AC

EWZ101

1 2

NL N

TIMERSUPPL Y

EWZ201

momentar y configuration

EWZ201 ONL Y: UNIT MUST BECONFIGURED FOR MOMENT ARY OPTION

CH 1TIMER

SUPPL Y

3 5 6

120/277V AC

PULSE ON PULSE OFF

4

L N

1 2

CH 1 CH 2SPST SPST

TIMERSUPPL Y

120/277V AC

3 4

SPDT

EWZ120

1 2

L N

LOAD

N

TIMERSUPPL Y

120/277VL N N

1 2

EWZ103

TIMERSUPPL Y

208 OR 240VL1 L2

1 2

3

SPST

4

LOAD

120/277V AC

EWZ101

1 2

NL N

TIMERSUPPL Y

EWZ201

momentar y configuration

EWZ201 ONL Y: UNIT MUST BECONFIGURED FOR MOMENT ARY OPTION

CH 1TIMER

SUPPL Y

3 5 6

120/277V AC

PULSE ON PULSE OFF

4

L N

1 2

CH 1 CH 2SPST SPST

TIMERSUPPL Y

120/277V AC

3 4 5

SPDT

EWZ120

1 2

L N

LOAD LOAD

N N

DPSTTIMERSUPPL Y

3 5

120/277V AC

4

LL N N

LOAD

LOAD

1 2

EWZ103

DPSTTIMERSUPPL Y

3 5

208 OR 240V AC

4

L1 L2

1 2

3

SPST

4

LOAD

120/277V AC

EWZ101

1 2

NL N

TIMERSUPPL Y

EWZ201

momentar y configuration

EWZ201 ONL Y: UNIT MUST BECONFIGURED FOR MOMENT ARY OPTION

CH 1TIMER

SUPPL Y

3 5 6

120/277V AC

PULSE ON PULSE OFF

4

L N

1 2

CH 1 CH 2SPST SPST

TIMERSUPPL Y

120/277V

EWZ120

1 2

L N

3

SPST

4

LOAD

120/277V AC

EWZ101

1 2

NL N

TIMERSUPPL Y

EWZ201

momentar y configuration

EWZ201 ONL Y: UNIT MUST BECONFIGURED FOR MOMENT ARY OPTION

CH 1TIMER

SUPPL Y

3 5 6

120/277V AC

PULSE ON PULSE OFF

4

L N

1 2

CH 1 CH 2SPST SPST

TIMERSUPPL Y

120/277V AC

3 4 5

SPDT

EWZ120

1 2

L N

LOAD LOAD

N N

DPSTTIMERSUPPL Y

3 5 6

120/277V AC

4

LL N N N

LOAD LOAD

LOAD

1 2

EWZ103

DPSTTIMERSUPPL Y

3 5 6

208 OR 240V AC

4

L1 L2

1 2

CAT. NO.

UPCCODE

INPUT SUPPLY(VAC) 50/60Hz

NO. OF CHANNELS

OUTPUTDRY CONTACTS

EWZ103 82473 120-277 1 DPST

TYPEEWZ103

VOLTAGE(VAC)

RATINGNO

General Purpose 120-277 30A

Inductive 120-277 30A

Ballast 120 30A208-277 20A

Tungsten 120 15A

Pilot Duty 120-277 720VA

Motor 208 1 1/2HP

240-277 2HP

Resistive 28VDC 30A

ElectronicBallast 277VAC 15A