Circuit Breakers offer protection for dc applications.
Circuit Breakers

Circuit Breakers offer protection for dc applications.

Suitable for use on ungrounded, uninterruptible power supplies, Masterpact® NW molded case circuit breakers feature amperage ratings of 800-4,000 A and voltage ratings of 600 Vdc floating and 500 Vdc loaded. They are tested to meet UL 489 Supplement SC and IEC 60947-2 standards. Available in fixed and drawout construction, breakers are available with options for industrial and specialty...

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E-T-A Aircraft Circuit Breaker Carries UL1077 Approval
Circuit Breakers

E-T-A Aircraft Circuit Breaker Carries UL1077 Approval

Single-pole model handles 25 A < Chicago, IL, August 3, 2006> - E-T-A Circuit Breakers is pleased to announce UL 1077 approval for the 4120 Thermal Circuit Breaker, a high-performance, single pole breaker that includes a trip-free mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). Specifications The 4120 circuit breaker is designed for 115 V AC (400 Hz) or 28 V DC...

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Circuit Breakers are CE certified and RoHS compliant.
Circuit Breakers

Circuit Breakers are CE certified and RoHS compliant.

Available in 1-4 pole models, Altech® UL489 AC and DC miniature molded case circuit breakers are 17.5 mm wide. Designed for DIN rail mounting, HVACR 40Â-ºC rated breakers feature green/red positive trip indicator and 10 kA short-circuit interrupt capacity. AC breaker versions offer ratings of 32 A at 480Y/277 Vac and up to 63 A at 240 Vac, while DC version offers 125 (1 pole) and 250 V...

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ASI Now Offers Complete Range of DIN-Rail Circuit Breakers
Circuit Breakers

ASI Now Offers Complete Range of DIN-Rail Circuit Breakers

Carlisle, PA - Automation Systems Interconnect, Inc. is pleased to announce that with the recent expansion of our DIN-rail mounted circuit breakers we can now provide circuit breakers for just about all applications. The expanded circuit breaker product line now includes UL 1077 supplemental protection, UL 489 branch circuit protection and a new DC breaker family with UL489 listing. One of the...

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Aerospace Circuit Breaker weighs 150 grams.
Circuit Breakers

Aerospace Circuit Breaker weighs 150 grams.

Available in current ratings from 20-50 A on 3 phases at 200 V and 400 Hz, 5140 three-pole circuit breaker is temperature-compensated in range of -67 to +194°F and qualified to operate in ambient temperatures to 257°F. Typical life for this trip-free mechanism is 5,000 mechanical cycles and 2,500 inductive cycles. Optional auxiliary contacts provide additional signaling up to 0.5 A at...

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Aerospace Circuit Breaker handles currents to 50 A.
Circuit Breakers

Aerospace Circuit Breaker handles currents to 50 A.

Offered in current ratings from 20-50 A, 4140 single-pole circuit breaker weighs 60 g and is designed for 115 Vac (400 Hz) or 28 Vdc applications. Product is smaller than Mil-spec 24571 requirements, temperature-compensated from -67 to +194°F, and qualified to operate in ambient temperatures to 257°F. With rated life of 5,000 mechanical cycles and 2,500 inductive cycles, unit is...

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Panel combines over-current protection and lighting control.
Control Panels

Panel combines over-current protection and lighting control.

Part of digital GR 2400 lighting control system providing daylight harvesting and distributed controls, SmartBreaker(TM) seamlessly integrates with GR 2400 Relay Panel, MicroPanel, digital switches, photo sensors, and up to 127 digital devices. Users can mix controlled and conventional breakers in same panel board using solenoid-operated, thermal magnetic breakers. Remote and local control of...

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Circuit Breakers feature arc flash protection.
Circuit Breakers

Circuit Breakers feature arc flash protection.

Offered in 3 frame sizes from 800-5,000 A, WL Circuit Breakers feature integrated racking handles, pull apart front-mounted terminal blocks, and modular accessories. Dynamic Arc-Flash Sentry detects worker approaching energized equipment and automatically lowers trip time of breaker, minimizing potential arc-flash energy. Extended Instantaneous Protection accommodates 100% of full withstand...

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