ANSI Certified MasterPact Circuit Breakers
Insulated Case Circuit Breakers
Overview
Features
The ANSI Certified Masterpact® NT/NW Circuit Breakers are designed to meet the requirements of UL 1066 and ANSI C37. These are designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. All Masterpact circuit breakers are designed to open and close a circuit manually, and to open the circuit automatically at a predetermined overcurrent setting.
ANSI Certified Masterpact NT series features- Available in frame ampere rating up to 800A
- Interrupting Rating 42kA at 254Vac, 42kA at 508Vac
- Available in fixed and drawout constructions
- Rotated rear terminals (rotatable from horizontal to vertical and vice versa) and front-connected terminals are available
- Available in frame ampere ratings up to 4000A (W-frame) and 6000A (Y-frame, wide-construction)
- Interrupting Rating 200kA at 254Vac, 200kA at 508Vac, 130kA at 635Vac
- Available in fixed and drawout constructions (Drawout in W-frame available only up to 3200A)
- Rotated rear terminals (rotatable from horizontal to vertical and vice versa) and front-connected terminals are available
- Rated for AC voltage systems through 635V
- Cradle position indicator: connected, test and disconnected
- Simple, visual contact wear indicators available
- Full complement of field-installable accessories common to all standards available for flexibility and helps in reducing inventory holding cost
- Four interchangeable and upgradeable Micrologic trip unit models to choose from
- Available PowerLogic® based power metering and monitoring capabilities
- Meets UL 1066 and ANSI C37 standards