Bolt-On Circuit Breakers, We Have What You Need - Philadelphia PA.
Send us any specifications for the bolt on circuit breaker you need.
We can get it - new or used, or rebuild the one you already have.

Bolt On Specs - Choose a few: Number of Poles, Voltage 480Y/277VAC, 208Y/120VAC, Shunt Trip, Circuit Breaker Type, Amps, Phase Connection, Min. Wire Size, Max. Wire Size, Length, Width, Depth, Lug Terminal Size, Panel Board Manufacturer, Frame Size, Load Use, GFI, Adjustable Trip, Arc Fault, Standards UL/CSA

We Have What You Need...giving you costs and specification by email.
 


3Phase - 2Phase

Back-Up Electrical
Power Equip.


Buss Duct

Circuit Breakers

Control Panels

CT Cabinets

Phase Converter

Underground
Electrical Power






 

Hard-to-find Circuit breakers.
Costs, sizes, types, availability, references, or any electrical questions.
hard to find, reconditioned, re-built, GFI, HACR, UL Listed and substitutes.

Licensed electrical mechanic for 25 years  610-853-8311.
ask us anything electrical!   questions?   problems?   Call us about it.
Interruption ratings, lug types, lug replacements, power panels, motors, controls, buss duct, safety disconnects, transformers, control panels and mini circuit breakers.

Buss Bars,
Buss Connectors & Straps,
Bus bar Modifications and
Solutions for Bolt-On
Circuit Breaker Panels.

Large Industrial Panels - Custom Fabrications to accommodate large frame breakers.
Ask the Experts about: Large panel box modifications and repairs, substitutions for industrial circuit breakers. Enlarging your existing panel - expanding your Main Power Panel. The National Electrical Code, bolt-on breakers, molded case breakers and high voltage circuit breakers. Electrical safety inspections main lug panel, cadmium connectors and custom made panels in Philadelphia, PA.
Wide range of circuit breakers and mounting hardware from a variety of manufacturers. Manufacturer products we stock include Cutler Hammer, American, General Electric, Thomas & Betts, Siemens, Murray, Square D, Wadsworth and Zinsco, two-pole, three, pole, electrical service, electrician, interchangeable, Delaware County, Delco, Philadelphia, PA.

For Information, Costs and Details: Just Ask Us

Siemens, Westinghouse, Square D - Obsolete Circuit Breakers, Circuit Breakers - New & Obsolete. Molded case circuit breakers, insulated case, & air breakers. Electrical Power Transformers and Dry type transformers, pad mount, & substation transformers, Panel boards. Switchboards & Switchgear. New and reconditioned circuit breakers, electrical distribution and control equipment. We specialize in hard-to-find bolt on circuit breakers, including obsolete circuit breakers. From Siemens breakers to Cutler Hammer, FPE, General Electric and ITE to a wide variety of Square D breakers and even a large selection of rare or uncommon items, such as Westinghouse breakers and hard-to-find circuit breakers.
ask us anything about fuses.

Bolt on Circuit Breakers, Yes, we know more about it.
The circuit breaker must detect an over-current condition and this is usually done within the breaker enclosure. Circuit breakers for large currents or high voltages are usually arranged with pilot devices to sense a fault current and to operate the trip opening mechanism. The trip solenoid that releases the latch is usually energized by a separate battery, although some high-voltage circuit breakers are self-contained with current transformers, protection relays, and an internal control power source.
Once a fault is detected, contacts within the circuit breaker must open to interrupt the circuit; some mechanically-stored energy (using something such as springs or compressed air) contained within the breaker is used to separate the contacts, although some of the energy required may be obtained from the fault current itself. Small circuit breakers may be manually operated; larger units have solenoids to trip the mechanism, and electric motors to restore energy to the springs.
The circuit breaker contacts must carry the load current without excessive heating, and must also withstand the heat of the arc produced when interrupting the circuit. Contacts are made of copper or copper alloys, silver alloys, and other materials. Service life of the contacts is limited by the erosion due to interrupting the arc. Mechanical circuit breakers are usually discarded when the contacts are worn, but power circuit breakers and high-voltage circuit breakers have replaceable contacts. When a current is interrupted, an arc is generated. This arc must be contained, cooled, and extinguished in a controlled way, so that the gap between the contacts can again withstand the voltage in the circuit. Different circuit breakers use vacuum, air, insulating gas, or oil as the medium in which the arc forms. All circuit breakers have common features in their operation. although details vary substantially depending on the voltage class, current rating and type of the circuit breaker.
All circuit breakers have common features in their operation. although details vary substantially depending on the voltage class, current rating and type of the circuit breaker. Circuit Breakers, Etc. Challenger, Crouse-Hinds, Cutler-Hammer, Federal Pacific (FPE), Fuji (call), General Electric, Murray Siemens / ITE / Gould, Square D, Thomas & Betts, Wadsworth, Westinghouse, Zinsco, Transformers,  Switches & Disconnects. All NEMA Enclosures, ASCO, Zinsco, Sylvania, Switchboards & Switchgear, Breaker Accessories, Motor Controls, Allen Bradley, Joslyn Clark and Furnas.
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Commercial, Industrial The National Electrical Manufacturers Association, NEMA. Cutler Hammer Chb270 70amp 2pole Bolton Circuit Breaker used circuit breaker in very good condition. It was operational when removed from service due to an electrical upgrade. this breaker is bolt-on. 30A GE S/P BOLTON CIRCUIT BREAKER 30 Amp General Electric Circuit Breaker - THQB Series Breaker - Bolt-On - Single Pole - 120/240 VAC - Mfg #THQB1130 Quicklag Circuit Breaker Qbhw1030 1p 30a BA Bolton Qbhw WESTINGHOUSE/CUTLER HAMMER QUICKLAG Bolt-On Circuit Breaker. Refurbished, Tested. Catalog Number: QBHW1030 30A, 120/240V, 1 phase. 60A GE D/P BOLTON CIRCUIT BREAKER 60 Amp General Electric Circuit Breaker - THQB Series Breaker - Bolt-On - Double Pole - 120/240 VAC - Mfg #THQB2160 FEDERAL PACIFIC FPE BOLT-ON 20 Amp SP 1" Wide BREAKER FEDERAL PACIFIC ELECTRIC FPE 20 AMP Single Pole BOLTON Full Size Circuit Breaker This breaker has been visually inspected and continuity tested ... Quicklag Circuit Breaker Qbhw2060 2p 60a Ba Bolton WESTINGHOUSE/CUTLER HAMMER QUICKLAG Bolt-On Circuit Breaker. Refurbished, Tested. Catalog Number: QBHW2060 60A, 120/240V. 30A GE D/P BOLTON CIRCUIT BREAKER 30 Amp General Electric Circuit Breaker - THQB Series Breaker - Bolt-On - Double Pole - 120/240 VAC - Mfg #THQB2130 FEDERAL PACIFIC FPE BOLT-ON 15 Amp 1" BREAKER type NB FEDERAL PACIFIC ELECTRIC FPE 15 AMP Single Pole BOLTON type NB Full Size Circuit Breaker. Bolt-On Circuit Breakers for Abington 19001 PA. Action Information for Electrical Trade Topics for the Abington area. . Darby 19023 Contact Action Information for Bolt-On Circuit Breakers and Solutions and Costs. . Queen Village Philadelphia, Contractor Services Working Harder for You - Trade Workers Serving 19106, 19107, 19147 ask us about it - Bolt-On Circuit Breakers.