PROEX TECHNOLOGY Explosion-proof Circuit Breaker(Ex db IIB / IIC) PROEX TECHNOLOGY Explosion-proof Circuit Breaker(Ex db IIB / IIC) Technical Parameters Model Implication L: earth leakage protection (optional) Rated current (A) Number of pole (1P, 2P, 3P, 4P) Enclosure type (63, 160,250) Explosion-proof motor switches Dimension drawings (all dimensions in mm)- subject to alteration Applications ◇ Explosion protection to CENELEC、EC、NEC. ◇ Can be used in Zone 1 and Zone 2 Zone 21 and Zone 22 Class l, Zone 1 and Zone 2 Class l, Division 2, Groups A, B, C, D ◇ Built-in MCB (miniature circuit breaker), MCCB (moulded case circuit breaker) ◇ Copper-free Aluminium Alloy enclosure, powder-coated surface ◇ Earth leakage protection device is optional ◇ Explosion-proof mark： Global(IECEX):Ex db IIB/IIC T6 Gb、Ex tb IIIC T80℃ Db Europe(ATEX): II 2 G Ex db IIB/IIC T6 Gb、 II 2 D Ex tb IIIC T80℃ Db ◇ Certificates: IECEX, ATEX, CNEX. ◇ Conformity to standards: EN 60079-0,EN 60079-1.EN 60079-7.EN 60079-31 IEC 60079-0,IEC 60079-1,IEC 60079-7.IEC 60079-31 ◇ Protection grade：IP66 ◇ Enclosure Material: Copper-free Aluminium Alloy or Stainless Steel ◇ Exposed Fastener: Stainless Steel ◇ Internal&external earthing：M6/M6 ◇ Max working voltage: 440VAC 50/60Hz ◇ Rated voltage: 1P/230V AC, 2P、3P、4P/400V AC 50/60Hz ◇ Rated current: 16A、32A、63A ◇ Number of pole: 1P、2P、3P、4P ◇ Ambient temperature: -60℃~+60℃(IIB)、-60℃~+55℃(IIC) ◇ Standard Cable entries: 1 ~16A: 2x M25 x 1.5 plugs 20~32A: 2x M32 x1.5 plugs 40~63A: 2x M40 x 1.5 plugs Note 1. Please select the model by Catalogue number logic above, and specify all technical data 2.Please specify Ex-mark when ordering; 3. Entry size and