Circuit Breakers

Circuit Breaker plugs into standard terminal blocks.

Offered in current ratings from 0.1-10 A, Series 1180 thermal circuit breaker is for voltages up to 250 Vac or 65 Vdc. It replaces fuses commonly used in DIN-rail terminal block applications that protect factory control equipment. Hot swappable unit avoids nuisance tripping during harmless short-term surges, and protects against long-term, low-value current overloads. Push-button actuator clearly...

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Spill-Resistant Vacuum Breaker prevents cross-connections.
Vacuum Breakers

Spill-Resistant Vacuum Breaker prevents cross-connections.

Suited for continuous pressure, indoor applications where water spillage is undesirable, Series 4W-500 valve prevents back-siphonage. It is available in Â-¼, 3/8, and ½ in. sizes with straight-through flow path, corrosion-resistant Noryl® body, silicone rubber discs, and stainless steel springs and fasteners. Integral shut-off valves and ¼ in. flare test connection are...

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Circuit Breaker is suitable for up to 40 A.
Circuit Breakers

Circuit Breaker is suitable for up to 40 A.

P&B W54 thermal circuit breaker can not be manually tripped. Push-button doubles as reset mechanism and indicator when unit has been tripped. Quick connect .250 in. tabs and #8-32 screws are available for wire termination. M11 x 1.0 thread and 3/8 in.-24 UNF thread is standard. Unit will continuously carry 100% of rated capacity. At 135% of rated capacity, it will trip within 1 hour and its trip...

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Compact Circuit Breakers meet ANSI standards.
Circuit Breakers

Compact Circuit Breakers meet ANSI standards.

Model VCP-T drawout medium voltage vacuum circuit breakers are offered in ratings up to 15 kV and meet ANSI standards for metal-clad circuit breakers. They are designed for limited space applications such as mine power centers, portable power stations, drawout breaker switchgear, and portable generators. Units are available for both ANSI and IEC markets.

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Circuit Breaker performs three tasks at once.
Rocker Switches

Circuit Breaker performs three tasks at once.

Compact P&B W51 series thermal circuit breaker snaps into same cutout as many common power switches. When supplied with indicator lamp, it can replace 3 separate components: circuit breaker, indicator lamp, and power rocker switch. Trip-free, rocker actuated switch is rated for 5-20 A and is UL recognized as supplementary protector for the United States and Canada. Applications include household...

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Power Entry Module exceeds power limits.
Circuit Breakers

Power Entry Module exceeds power limits.

EF Series includes AC inlet and circuit breaker, UL rated up to 20 A at 250 V. Circuit breaker provides manual reset of circuit and status indication depending on switch position (I/O). It is recessed in flange to protect against inadvertent actuation. Filter options meet standard and medical grade attenuation requirements at 12, 16, and 20 A. Direct electrical contact of filter to chassis...

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Circuit Breakers

Power Distribution Systems deliver high current in small size.

Rack-mounted X8340-S08 accommodates up to 8 circuit breakers and protects equipment from short circuits and current overloads. It distributes up to 800 A of DC power in 2U 19 in. chassis. Interruption capacity is 3500 A at 80 Vdc. Model X8340-S08 has four 200 A DC power inputs, each distributing power to two 100 A circuit breakers. Model X8340-S07 provides up to 175A via seven 25 A circuit...

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Circuit Breaker protects terminal blocks.
Circuit Breakers

Circuit Breaker protects terminal blocks.

TCP Thermal Automatic Circuit Breaker provides overload protection in pluggable package for electrical installations and devices. Integrated switching function allows tripped circuits to be immediately switched back on. Modular base terminal block and pluggable circuit breaker implement power distribution tasks ranging from 0.25 to 10 A at 250 Vac or 65 Vdc. Variable length screw bridge can...

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Circuit Breakers come in draw-out or fixed configurations.
Circuit Breakers

Circuit Breakers come in draw-out or fixed configurations.

Medium Voltage VCP-WG Generator Vacuum Circuit Breakers handle high continuous current levels, fault conditions, and various voltage conditions. They operate up to 3000 A with natural air convection cooling, and up to 4500 A with suitable enclosure fan cooling. Circuit breakers can perform under out-of-phase conditions when generator and power system voltages are not in sync.

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Circuit Breakers

Circuit Breaker snaps into place.

Series 1658-F single-pole circuit breaker is available in ratings from 5 to 30 A, making it suitable for AC systems up to 250 V and DC systems up to 28 V. Tripping action is provided by thermally activated disc bimetal. Unit provides interrupting capacity up to 2000 A per UL 1077. It includes push-button manual reset, and trip free mechanism that allows device to safely interrupt overload...

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