This document is intended to provide part numbers for a complete circuit breaker with cradle and required accessories as well as field installable accessory kits.
Masterpact circuit breaker manual.
Masterpact nt and nw maintenance guide device and chassis mechanisms mechanical operation of the circuit breaker may be hindered by dust knocks aggressive atmospheres no greasing or excessive greasing.
Using masterpact the circuit breaker signals a fault trip by.
Tutorial for performing a manual charge of the closing spring within masterpact nw and masterpact nt circuit breakers by pumping the charging handle several.
The final result is ul ansi and iec circuit breakers with.
E51217a push the circuit breaker into the chassis taking care not to push on the control unit.
The masterpact nt and nw universal power circuit breakers offer a family of circuit protection products meeting the most common world standards ansi ul and iec.
Closing and opening operations can be initiated either from the local pushbuttons on the circuit breaker front face or by remote control.
The masterpact nw low voltage power circuit breaker1 and insulated case circuit breaker are designed to mount in a drawout cradle using rear mounted plug on pressure connections to provide electrical connection to the cradle.
Matching a masterpact circuit breaker with its chassis.
Common auxiliaries from 800 a to 6 300 a.
Resetting after a fault trip remotely.
The mechanism is charged either manually or electrically.
To set up a mismatch prevention combination for the circuit breaker and the chassis see the mismatch prevention installation manual.
Operating safety is ensured by dusting and general cleaning proper greasing and regular opening and closing of the circuit breaker.
Open the circuit breaker in any case it opens automatically during connection.
Closing and opening operations can be initiated either from the local pushbuttons on the circuit breaker front face or by remote control.
Masterpact circuit breakers are operated via a stored energy mechanism for instantaneous opening and closing.
B a mechanical indicator on the front b one or two sde fault trip indication contacts sde2 is optional.
Before mounting the circuit breaker make sure it matches the chassis.
Masterpacttm circuit breaker is operated via a stored energy mechanism which can be manually or motor charged.
The mismatch protection ensures that a circuit breaker is installed only in a chassis with compatible characteristics.
The basic design platform for each is common.
0 c 0 cycle is possible without recharging.
