• Model Number: OM8
• Place of Origin: , China
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Description

OM8 Moulded Case Circuit Breaker (NS,MCCB)

1.Application
OM8 series moulded case circuit breaker is one of breaker which adopts international ad-vanced design, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the nor-mal conditions , protecting the current& equipment from overload&under voltage, circuit breakerwith rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&undervoltage,the prod-uct conforms to IEC60947-2 standard.

2.Main Technical Specifications







Type



Pole number



Rated insulating voltage(V)



Rated operating voltage(V)



Rated ultimate short circuit breaking capacity Icu (KA) at 380/415V



Rated servies short circuit breaking capacity Ics at 380/415V(KA)



Operation performance



Utilization category





ON



OFF





OM8-100N



3, 4pole



750



690 and below



25



25



1500



8500



A





OM8-100H



70



70





OM8-100L



150



150





OM8-160N



36



36



1000



7000





OM8-160H



70



70





OM8-160L



150



150





OM8-250N



36



36



1000



7000





OM8-250H



70



70





OM8-250L



150



150





OM8-400N



45



45



1000



4000





OM8-400H



70



70





OM8-400L



150



150





OM8-630N



45



45



1000



4000





OM8-630H



70



70





OM8-630L



150



150





OM8-1250N



3 pole



50



37.5



1000



4000





OM8-1600N



50



37.5





Note:1. The N-pole breaker has no protection which closing and opening with the other three poles. 2. The type of thermal magnetic for OM8-400/630 has no four poles.