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[3. FM intrinsically safe]

Select an installation location for an FM intrinsically safe model in accordance with the

following criteria.

• Hazardous areas in which this device can be installed are defined as follows.

[Intrinsically safe]

Class I, II, III, Division 1, Group A, B, C, D, E, F, G, T4

[Intrinsically safe]

Class I, Zone 0, AEx ia IIC T4, Ta = 80°C

[Non-incendive]

Class I, Division 2, Group A, B, C, D, and T5, Ta = 80°C

[Suitable]

Class II, III, Division 2, Groups F,G, T4, Ta = 80°C

*NEC: NFPA70 - National Electric Code. For details, see the text of the NEC.

Dustproof and waterproof performance specifications: TYPE 4X, IP66

Ambient temperature range: −40 to +80°C

Perform electrical wiring work in accordance with NEC.

Gases with an ignition point of 135°C or higher

Ambient atmosphere of acetylene, ethylene, propane, etc.; ambient

atmosphere of metal dust, coal or carbon black dust, grain dust

Division 1 or 2 hazardous area according to NEC, article 500*

Gas and flammable dust

For flammable fibers

Gases with an ignition point of 135°C or higher

Class IIC explosive gases

Zone 0, 1 or 2 hazardous area according to NEC, article 505*

For gas

Gases with an ignition point of 100°C or higher

Ambient atmosphere of acetylene, hydrogen, ethylene, propane, etc.

Division 2 hazardous area according to NEC, article 500*

For gas

Gases with an ignition point of 135°C or higher

Ambient atmosphere of carbon black dust or grain dust

Division 2 hazardous area according to NEC, article 500*

Flammable dust

For flammable fibers

Azbil AVP301 User Manual

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