Circuit Breakers

Circuit Breakers

Circuit Breaker can be reset remotely.

Electronic ESS20-1 provides selective circuit protection of DIN-rail factory automation equipment connected to switch-mode power supplies. It can also communicate with logic controller or factory control software to identify fault condition. Product limits max amount of current drawn from power supply to no more than 1.8x rated current of breaker, allowing breaker to trip without causing power...

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Circuit Breakers

Aerospace Circuit Breaker handles currents up to 50 A.

Weighing 60 g, single-pole Model 4140 is intended for 115 V or 28 Vdc applications from 20-50 A. Temperature-compensated unit offers operating temperature of -67 to 257°F and provides consistent trip curve characteristics from -67 to 194°F. In addition to aircraft applications, breaker is suitable for ground vehicles where resistance to mechanical vibration and shock are required. It...

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Miniature Circuit Breakers measure only 1/2 in. wide.
Circuit Breakers

Miniature Circuit Breakers measure only 1/2 in. wide.

DIN rail-mounted Model QL Circuit Breakers provide current ratings from 0.5-25 A and offer various tripping characteristics. They operate in temperatures from -40 to +140°F. Hydraulic-magnetic units do not require temperature variation compensation associated with most thermal breakers. Devices are UL 489 approved and are suitable replacements for low-current fuses.

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Circuit Breakers feature color-coded housings.
Circuit Breakers

Circuit Breakers feature color-coded housings.

Series 1610 provides resettable alternative for plug-in type blade fuses for fuse blocks found in vehicles with 12 or 24 V electrical systems. Color-coding scheme corresponds to colors of blade fuses compliant with DIN 72581 and SAE J1284 standards. Available in current ratings from 6-30 A up to 32 Vdc, circuit breakers will not cause nuisance tripping and are suitable for protecting fans,...

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Circuit Breakers standardize equipment designs.
Circuit Breakers

Circuit Breakers standardize equipment designs.

Powerpact 150 A H-frame and 250 A J-frame molded case circuit breakers simplify installation and utilize varied types of actuation, including cable-operated handles, rotary handles, and electrical motor operators. They share common mounting points and handle locations and are equipped with thermal magnetic trip system. Field-installable accessories include auxiliary switches, alarm contacts, and...

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Distribution Blocks are rated 120 V, 20 A.
Circuit Breakers

Distribution Blocks are rated 120 V, 20 A.

Available in water-tight or weather-proof models, GFCI Distribution Blocks are molded from Hypalon rubber. Water-Tight sealed GFCI in-line block is submersible in up to 3 ft of standing water and has permanently sealed cover. Internal GFCI can be reset from top of block without removing cover. Weather-Proof GFCI block features 55 A max input, 20 A output, and 120 V per receptacle. Each receptacle...

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Circuit Protection System meets international requirements.
Circuit Breakers

Circuit Protection System meets international requirements.

Global Pro circuit protection system is compact, meets IEC size/safety requirements, is compatible with existing automation systems, and can be monitored remotely. Cylindrical fuse dimensions offered are 14 x 51 mm for 30 A, 22 x 58 mm for 60 A, and 27 x 60 mm for 100 A. Fuses feature spring activated, pop-up pin that triggers a snap-action switch for remote blown fuse indication. Neon indicator...

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Circuit Breakers

Circuit Breaker has built-in protection and analog output.

Series E-1048-800 Circuit Breaker combines solid-state switching, electronic circuit protection, analog signal output, and diagnostic functions. Analog output of 0-5 V proportional to current flowing through device can be connected to PLC or ASIC microcontroller. Programmable trip point can be programmed for current ratings from 0-20 A. Solid-state current limiting feature limits max short...

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Circuit Breakers

Aerospace Circuit Breaker weighs only 150 grams.

Model 5140 is suited for 400 Hz, 3-pole applications from 20-50 A. It is temperature compensated, providing consistent trip curve characteristics from -55 to +90°C. Typical life is 5,000 mechanical cycles and 2,500 inductive cycles. Circuit breaker meets requirements of commercial and military aircraft applications, as well as rugged ground vehicles and boats.

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Circuit Breakers

Circuit Breakers conserve panel space.

Allen-Bradley® Bulletin 1492-MC Circuit Breakers, measuring 100 mm in height, may be sized to protect wiring and equipment from 10-100 A at 120/240 V and 240 V. Suited for applications that require branch circuit protection, DIN-rail-mounted devices meet requirements of UL 489 and CSA 22.2 No. 5.1. They include GFCI and GFEP products, which are designed to UL943 and UL1053 specifications,...

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