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Operating ambient temperature

Minimum exposure temperature: -50°F (-46°C)

without damage to the unit

Maximum exposure temperature: 825°F (440°C)

without damage to the unit

AGENCY APPROVALS

Fenwal Part Number: 17343-124

II 3 G, EEx nC IIC

HAZARDOUS LOCATIONS

APPROVALS

DESCRIPTIONThe Fire & Overheat Detector monitors for fire and

overheat conditions. It can be used in areas of veryhigh temperatures.

The detector is made from welded stainless steel

and is completely sealed. It is non-repairable and

cannot be disassembled. The detector is set to a

specified alarm temperature at the factory and cannot

be re-adjusted.

Electrical connections are made through two terminal

posts with threads inside. Stainless steel screws are

used to attach wires to the two terminals. Mounting

is with 3/4-14 NPT threads

PART NUMBERS

and TEMPERATURE SETTINGS

Temperature setpoint tolerance: ±25°F (±14°C)

ENGINEERING DATA

Contact Rating17343-124 0.5 AMP at 28 VDC

SPST contacts, close on temperature rise

Construction:Hermetically sealed switch with glass to metal seals.

Model 17343-124

Fire and Overheat Detectors

Models 17343-124, Fire & Overheat Detectors Pagewww.fenwalcontrols.com 1-800-FENWAL-1

®

03.02.GE A

17343-124

Insulation Resistance

20 Megohm @ 500 VDC,

terminals to shell

Dielectric Strength500 VAC, 1 minute,

terminals to shell

Set PointTemperature Max AmbientTemperature

140°F (60°C) 100°F (38°C)

325°F (163°C) 300°F (149°C)

600°F (316°C) 500°F (260°C)

725°F (385°C) 625°F (329°C)

425°F (218°C)

GE PN Fenwal PN Setting Color  

361A2285P110 17343-124 140°F (60°C) None

361A2285P111 17343-124 325°F (163°C) Red

361A2285P112 17343-124 600°F (316°C) Orange

361A2285P113 17343-124 725°F (385°C) Gray

361A2285P114 17343-124 425°F (218°C) Green

17343-124 Locations

UL ListedUIPV.E139663

Class I, Groups B, C & D per NFPA 72E

CSA Certified

Class 4868-01

Class I, Groups B, C & D

CSA Std C22.2 No. 24-93

CE/ATEX

Directive 94/9/EC

Group II, Category 3 (Gas)

protection level "nC"

Group II, Category 3 (Gas) protection level "nC"

 Atex Certificate: ITS03ATEX41211

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!

400 MAIN STREET, ASHLAND, MA 01721

TEL: (508) 881-2000 FAX: (508) 881-6729

www.fenwalcontrols.com

© 2004 Kidde-Fenwal Inc. Printed in U.S.A.

These instructions do not purport to cover all the details or variations in the equipmentdescribed, nor do they provide for every possible contingency to be met in connection withinstallation, operation and maintenance. All specifications are subject to change without notice.Should further information be desired or should particular problems arise which are not coveredsufficiently for the purchaser’s purposes, the matter should be referred to KIDDE-FENWAL,Inc., Ashland, Massachusetts.

P/N REV 9/17/04

Page 2 Models 17343-124, Fire & Overheat Detectors www.fenwalcontrols.com 1-800-FENWAL-1

®

OUTLINE DRAWING

INSTALLATION

NOTE : Local authorities having jurisdiction should 

be consulted before installation.

The 17343-124 detector must be installed in a suitable

enclosure with appropriate group and category rating

for the application.

The 17343-124 detector must be mounted into an

enclosure that complies with the appropriate require-

ments for Category 3 applications. Enclosures must

have a 3/4 NPT opening to mount the detector.

Thread the unit into the 3/4 NPT opening at least

5 full turns and torque to 20 foot pounds (27 N m).

NOTE : See CAUTION regarding NPT threads

on outline drawing below.

For ATEX applications ensure that enclosures

are grounded to an ATEX approved mounting box.

Connect system wiring to the detector's terminals

per applicable electrical codes using 8-32 UNC 2A

stainless steel slotted hex head screws with integral

washer (provided).

NOTE : See

CAUTION regarding torque limit on outline drawing below.

CAUTION :Do not apply 

more than 25 inch

 pounds (2.82 N m)

of torque to the

terminals

HANDLING AND STORAGETake precautions to ensure that the shell and threads

are not subject to damage.

! CAUTION :Do not use any 

anti-sieze, thread 

locking compound 

or lubricants on

the NPT threads

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