A alberto Member Mar 17, 2005 #1 hi everybody, can somebody help me? because i need to find some information about circuit breker masterpack M20 H1 of squared (merlin gerin), i need to adjust it, the In = 800 amp. thanks
hi everybody, can somebody help me? because i need to find some information about circuit breker masterpack M20 H1 of squared (merlin gerin), i need to adjust it, the In = 800 amp. thanks
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Mar 18, 2005 #2 Re: masterpack M20 H1 The Masterpact breaker has several different control unit option, which one do you have? Do you need other protection besides Long Time pickup? In general the long time setting is either a multiple of the sensor rating (.4 -1 x breaker frame size) or of the plug rating (.8-1 x control unit).
Re: masterpack M20 H1 The Masterpact breaker has several different control unit option, which one do you have? Do you need other protection besides Long Time pickup? In general the long time setting is either a multiple of the sensor rating (.4 -1 x breaker frame size) or of the plug rating (.8-1 x control unit).