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Circuit Breakers
- Miniature Circuit Breakers
Most of these miniature circuit breakers protect electrical circuits from overcurrent by thermal type trip and short circuits by magnetic trip. Miniature circuit breakers are physically small and protect relatively low amperages: usually 10 - 150A.
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- QO(B) Circuit Breakers
Exclusive Visi-Trip® indicator provides clear and instant identification of a tripped circuit breaker.
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- HomeLine Circuit Breakers
Exclusive features make Homeline circuit breakers the best value in its class.
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- Arc-fault Circuit Interrupters
The protection homeowners and their families deserve.
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- Combination Arc-fault Circuit Interrupters
Enhanced protection against home electrical fires.
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- QOU Unit Mount Circuit Breakers
Used for overcurrent protection and switching on both ac and dc systems.
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- Multi 9 System UL 489 Miniature Circuit Breakers
Carries a UL 489 rating for branch circuit protection in amperages under 10A and is UL 489, IEC 947-2, and CE marked.
- UL 1077 Supplementary Protectors
Commonly used in OEM equipment downstream of a UL 489 device to provide protection of sensitive circuits within the equipment.
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- Multi 9 Miniature Supplementary Protectors
Provide overcurrent protection in applications where branch circuit protection is either already provided or is not required.
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- Low Ampere QYU Unit Mount Miniature Supplementary Protectors
Available for surface, flush, or DIN mounting.
- Molded Case Circuit Breakers
Widest selection in the industry—from 15A through 3000A. Commonly used in UL 67 individual enclosures and panel boards and UL 891 switchboards, these circuit breakers include the industry's leading technology with a complete array of functions that enhance reliability.
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- PowerPact H-Frame Molded Case Circuit Breakers
Handle ratings from 15 to 150A.
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- PowerPact GJL Molded Case Circuit Breakers
Handle ratings from 15 to 100A.
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- PowerPact J-Frame Molded Case Circuit Breakers
Handle ratings from 150 to 250A.
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- PowerPact Q-Frame Molded Case Circuit Breakers
Handle ratings from 75 to 250A.
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- PowerPact D-Frame Molded Case Circuit Breakers
Adjustable handle ratings from 60 to 600A.
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- PowerPact M-Frame Molded Case Circuit Breakers
Handle ratings from 300 to 800A.
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- PowerPact P-Frame Molded Case Circuit Breakers
Handle ratings from 100 to 1200A.
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- PowerPact R-Frame Molded Case Circuit Breakers
Handle ratings from 240 to 3000A.
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- Mission Critical Circuit Breakers
High performance circuit protection and selective coordination.
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- FA / LA Molded Case Circuit Breakers
Basic thermal magnetic protection.
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- LE / LX Molded Case Electronic Circuit Breakers
Combine sensitive measuring capabilities with sophisticated logic.
- Motor Circuit Protectors
Comply with NEC requirements for providing motor circuit protection when installed as part of a UL Listed combination controller having motor overload protection.
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- PowerPact H- and J-Frame Electronic Motor Circuit Protectors
Instantaneous-trip electronic circuit breakers with full load ampere ranges from 1.5-217A with a dial to automatically select motor protection for standard or energy efficient motors to help minimize installation time and provide better protection.
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- GJL Mag-Gard Motor Circuit Protectors
Instantaneous-trip magnetic-only circuit breakers with ampere rating from 3-75A.
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- PowerPact D-frame Electronic Motor Circuit Protectors
Instantaneous-trip electronic circuit breakers with ampere rating from 400-600A for larger motors.
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- PowerPact P-frame Electronic Motor Circuit Protectors
Instantaneous-trip electronic circuit breakers with ampere rating from 600-1200A for larger motors.
- Masterpact Universal Power Circuit Breakers
The industry's leading line of medium to large size circuit breakers, featuring the Masterpact® NT/NW series.
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- UL Listed Masterpact Circuit Breakers
Available in NT series up to 1600A and in NW series up to 6000A.
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- ANSI Certified Masterpact Circuit Breakers
Available in NT series up to 800A and in NW series up to 5000A.
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- IEC Rated Masterpact Circuit Breakers
Available in NT series up to 1600A and in NW series up to 6300A.
- Direct Current (dc-rated) Circuit Breakers
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- Multi 9 C60H-DC Circuit Breaker
Designed per UL 1077 to provide overcurrent protection within appliances or electrical equipment.
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- 500 Vdc Thermal-magnetic Circuit Breakers
Thermal-magnetic protection for ungrounded systems up to 500 Vdc nominal (600 Vdc maximum) from 30A – 2500A.
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- Masterpact DC Circuit Breaker
Insulated case circuit breakers designed for dc voltage systems.
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- Dual Rated AC/DC Circuit Breakers
Circuit breakers that have both dc ratings and ac ratings for application on either system.
- Ground-fault Protection Products
For ground-fault protection at any level: main circuit, feeder circuit, and branch circuit.
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- Multi 9 GFP Ground-fault Protectors
For equipment ground-fault protection from 30 mA to 300 mA.
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- Vigirex Ground-fault Relay System
For ground fault protection or monitoring only capabilities from 30mA to 30A.
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- Earth Leakage Modules
For PowerPact H- and J-Frame circuit breakers to provide equipment ground fault protection from 30mA to 3A with adjustable time delays for flexibility.
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- Micrologic Add-on Ground-fault Modules
For PowerPact H- and J-Frame circuit breakers to provide equipment ground fault protection from 20A to 200A with adjustable time delays for flexibility.
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- GC-200 Ground-fault Relay System
For ground-fault protection at any level: main, feeder and branch circuits from 30mA to 1200A.
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- Circuit Breakers with built-in Ground-fault Protection
Circuit breakers with overload, short-circuit, and ground-fault protection
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- Circuit Breaker Enclosures
Enhanced flexibility for 15 A to 1200 A applications where a branch circuit disconnect with circuit protection is required.