7. 1 95-866612
APPENDIX A
FM APPROVAL DESCRIPTION
Class I, Div. 1, Groups B, C & D (T4)
Class I, Div. 2, Groups A, B, C & D (T3A)
Class II/III, Div. 1/Div. 2, Groups E, F, & G (T4)
Tamb = –40°C to +125°C
Enclosure Type 4X
IP66/IP67
Conduit seal not required.
APPLICABLE REQUIREMENTS
FM 3600 Electrical Equipment for use in Hazardous (Classified) Locations
FM 3611 Non-incendive Electrical Equipment for Use in Class I and II, Division 2, and
Class III, Division 1 and 2, Hazardous (Classified) Locations
FM 3615 Explosion-proof Electrical Equipment
FM 3810 Electrical Equipment for Measurement, Control and Laboratory Use
FM 3210 Heat Detectors for Automatic Fire Alarm Signaling
ANSI/IEC 60529 Degrees of Protection Provided by Enclosures (IP Code)
ANSI/NEMA 250 Enclosures for Electrical Equipment (1000 Volts Maximum)
Flameproof per ANSI/ISA 60079-0, -1, -7, -31
CL I, ZONE 1, AEx db eb IIC T4
T4 (Tamb –40°C to +75°C)
ZONE 21, AEx tb IIIC T85°C
Tamb –40°C to +75°C
IP66/IP67
CL I, ZONE 1, AEx db IIC T4
T4 (Tamb –40°C to +125°C )
ZONE 21, AEx tb IIIC T135°C
Tamb –40°C to +125°C
IP66/IP67
Part Number Description
101197-001* Stop Plug, 3/4” NPT, Aluminum
101197- 0 03 Stop Plug, M25, Stainless Steel (–20°C to +80°C)
101197- 0 04* Stop Plug, 3/4” NPT, Stainless Steel
101197- 0 05 Stop Plug, M25, Aluminum (–20°C to +80°C)
The following accessories are FM approved for use with the Model HD Risk Area Heat Detector:
*IP66/67 rating requires the use of Teon tape (3/4” NPT).
Stop Plugs
Det-Tronics offers M25 and 3/4 inch NPT stop plugs that have been approved for use with the Model HD. When using any of the
stop plugs listed under “Ordering Information,” it is required that each plug be tightened to an installation torque of 35 ft-lb (47.5
N·m) and meet the minimum thread engagement requirements per the applicable standards in order to retain the IP66/IP67 rating.
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