Page 86 of Circuit Breakers / Switches by Moeller Electric USA

circuit-breakers disconnect switches nzm4 terminals moeller sk1230-1157en-na terminal capacities cu strip number of segments x width x segment thickness mm copper busbar width x thickness mm part no article no when ordered separately price see price list std pack notes 85 n4-xas12-1000 285609 1 off n4-xas12-1250 285610 1 off kit for conversion of nzm12 to nzm4 using the connection lugs of the exchange kit all 3-pole nzm12 or n12 can be adapted to the connection dimensions of the nzm4 or n4 which have been manufactured since 1983 non-exchangable are 4-pole base units as well as devices with withdrawable units and remote operators scope of the exchange kits nzm4-xas12 3 connection extensions on outlet side 3 connection extensions on trip block side 2 mounting brackets 4 fixing screws 4 phase isolators 6 fixing screws nuts and washers paper drilling template in the assembly instructions awa the exchange kits have identical dimensions to the types nzm12 which correspond to the types manufactured from 02/97 onwards special feature the nzm12-800 manufactured before 02/97 features 10 mm connection lugs instead of the 8 mm connections lugs currently used with these types the customer must determine the year of manufacture of the device by measuring the thickness of the connection lugs and order the exchange kit nzm4-xas12-1250 example nzm12-800 1000 nzm4-xas12-1000 nzm12-800 before 02/97 nzm4-xas12-1250 nzm12-1250 nzm4-xas12-1250 nzm12-1600 nzm4-xas12-1600 n4-xas12-1600 285611 1 off nzm4-xas12-1000 285612 1 off nzm4-xas12-1250 285613 1 off nzm4-xas12-1600 285614 1 off expansion for devices manufactured before 1983 the exchange kit for switch-disconnector can be used completely here the adapters will only fit on top on the circuit-breaker with the longer zm version the devices are about 65 mm longer at the bottom and the lower connection is about 26 mm lower accordingly the adapters are too short for the bottom and the height does not correspond either circuit-breakers disconnect switches up to 1200 a

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