Zone 0
Explosive gas atmosphere present continuously or for long periods
Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 20
Explosive dust atmosphere present continuously or for long periods
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
Class I Division 1
Area where flammable gases or vapours are present under normal operating conditions
Class I Division 2
Area where flammable gases or vapours are present only under abnormal conditions
# Certifications
Clamp – Certification: Ex II 1 GD T6; Ex h IIC T6 Ga; Ex h IIIC T85°C Da; Sira 02ATEX9381; FM 3046346; IECEx EXV 20.0033
Ex-d certification – IECEx: Ex d[ia] IIC T6 Gb(Ga); Ex tb IIIC T80°C IP66 Db – IECEx EXV 19.0052
Ex-d certification – ATEX: Ex II 2(1)GD – ExVeritas 19ATEX0537
Ex-d certification – NEC/CEC: Class I Div 1 Gr. A-D; Class II Div 1 Gr. E-G; Class III Div 1 (cCSAus)
Ex-e certification – IECEx: Ex ec nC [ia] IIC T4 Gc(Ga); Ex tb IIIC T70°C Db – IECEx EXV 19.0059X
Ex-e certification – ATEX: Ex II 3(1)G / II 2D – ExVeritas 19ATEX0545X
Ex-e certification – NEC/CEC: Class I Div 2 Gr. A-D; Class II Div 2 Gr. E-G; Class III Div 2 (cCSAus)
Safety Integrity Level: SIL 2 (IEC/EN 61508)
EMC: EN 61000-6-3, EN 61000-6-2; FCC Part 15 (Class B)
# Performance
Monitoring circuit: Intrinsically safe
Monitored resistance: ≤ 10 Ohm (± 10%)
Output relay contacts: 2 volt-free changeover – 250 V AC 5 A 500 VA max; 30 V DC 2 A 60 W max
# Electrical
Ex-d unit (Zone 1/21) – Power supply: 110/120 V or 220/240 V AC 50-60 Hz; 12 V or 24 V DC
Ex-e unit (Zone 2/21) – Power supply: 108/125 V or 216/250 V AC 50-60 Hz; 12 V or 24 V DC
Rated power: 10 W
# Mechanical
Ex-d unit – Material: Copper-free die-cast aluminium
Ex-d unit – Weight: 4.5 kg
Ex-e unit – Material: Carbon-loaded GRP
Ex-e unit – Weight: 2 kg
Cable glands: 7 x M20 (2 with stopping plug)
Grounding clamp: Two-pole tungsten carbide teeth, stainless steel 304 body
Coiled cable: Cen-Stat blue static-dissipative Hytrel, 2 x 1.00 mm² – 3, 5, 10, 15 m
# Environmental
Ambient temperature: -40 °C / +55 °C
Ingress protection: IP66
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