© 2015 General Electric Company. All rights reserved.
36 | =GE Oil & Gas
Factory Mutual Approved Version
WARNING Substitution of components may impair intrinsic safety.
Explosion 
proof
Class I, Division 1, Groups B, C, and D.
Temperature classification T6 @ 75 °C ambient, T5 @ 85 °C ambient, 
indoor and outdoor (NEMA Type 4X) hazardous (classified) locations. 
12 V 
dV
max
 d30 V, I
max
 = 96 mA, Ci = 0, Li = 3.7 mH
WARNING Do not open when an explosive gas atmosphere is present.
Dust-Ignition 
proof 
Class II / III, Division 1, Groups E, F, and G. 
Temperature classification: T6 @ 75 °C ambient, T5 @ 85 °C ambient. 
Max. power = 0.8 W. Ambient temperature: -40 °C to +85 °C.
Install as per drawing 97-055 (Figure 22 on page 77).
Non-
Incendive
Class I, Division 2 Groups A, B, C, and D; S: Class II and III, 
Division 2 Groups F and G. 
Temperature classification: T4 @ 40 °C ambient, T3B @ 70 °C ambi-
ent, T3A @ 85 °C ambient. 
Installation must be in accordance with the current edition of the 
National Electrical Code ANSI / NFPA-70, any applicable local codes, 
and manufacturer’s instructions. 
Intrinsically 
Safe
Class I / II / III, Division 1, Groups A, B, C, D, E, F, and G hazardous 
indoor/outdoor NEMA 4X locations. 
Temperature Classification T4 @ 40 °C ambient, T3B @ 70 °C ambi-
ent, T3A @ 85 °C ambient. 
Installation must be in accordance with the current edition of the 
National Electrical Code ANSI / NFPA-70, ANSI / ISA RP 12.6 “Installa-
tion of Intrinsically Safe Instrument Systems in Class I Hazardous 
(Classified) Locations, Figure 13 on page 40, and manufacturer’s 
instructions.