GE Masoneilan 4700E, Руководство по обслуживанию

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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
d
V
max
d
30 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.