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Description: Protection from voltage transients that can occur between phases (L-N, L-E, N-E). Designed to be installed close to the incoming electrical supply panel. Wired in parallel with the supply. The unit should be connected via HRC fuses or a circuit breaker to protect the connecting cable. Two-led
- Mounting: DIN Rail, Other
- Maximum Surge Current: 120000 amps
- Operating Temperature: -40 F
Description: Class 1 power supply plates for metal halide lamps. Comprising inductors, capacitors, a circuit breaker with fuse and a terminal strip. Protective index IP20 in accordance with NFC 17-200. Wattage = 400 W Number of Lamps = 1 Supported Lamp Type = HQI Metal Halide Voltage Rating = 230 V ac Length
- Lamp Type: Metal Halide Lamp
- Lamp Wattage: 0.5361 HP
Supplier: OMEGA Engineering, Inc.
Description: electromechanical motor circuit-breakers using bimetallic elements. They are suitable for monitoring both DC and AC currents. Type XTOM overload relays have been designed to be fitted directly on to XTMC contactors. In the event of overload tripping, the auxiliary contacts change over and disconnect the control
- Over-current Protection: Yes
- Voltage Sensing Range: 300 volts
- Line Voltage Mode: Line to Line (L-L), Line to Neutral (L-N)
- Operating Temperature: 8.6 to 252 F
Description: Type 4 Disconnect Enclosure with Clamps, suitable for applications in which a clamp secured door is preferred. The clamps on three sides of the door provide a secure seal against liquids and contaminants. The enclosure accepts major brand disconnect switches and circuit breakers. 14 gauge steel
- Width/Diameter: 25.39 inch
- Depth: 30 inch
- Material: Steel, Other
Description: to various types of connection terminals. • Connection distance from 200 to 800 mm. Compatibility • With SOCOMEC devices. • With most circuit-breakers on the market.
- Busbar Type: Flexible Busbars
- Busbar (Conductor) Material: Copper
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PHOENIX CONTACT USA
CBM Multichannel Circuit Breakers
Space-saving CBM offers high-density protection. Protects up to eight circuits from overload and short-circuit. Phoenix Contact 's new CBM is a series of programmable, multichannel circuit breakers that can manage multiple circuits in a single device. With up to eight circuit breakers in. 41 mm of space, the CBM significantly reduces the amount of cabinet space used. The two new device circuit breakers, with four- and eight-channel options, lock in the set nominal currents electronically... (read more)
Browse Circuit Breakers Datasheets for PHOENIX CONTACT USA
Fuses vs. Circuit Breakers
Mersen, formerly Ferraz Shawmut, published a technical white paper titled "Fuses Versus Circuit Breakers for Low Voltage Applications. ". Fuses and circuit breakers both provide protection for electrical systems, and this paper details the differences between fuses and circuit breakers rated 600V and less. Understanding the differences will help you determine which is better for your application. In this paper, Mersen discuses the similarities and the differences between circuit breakers... (read more)
Browse Surge Suppressors Datasheets for Mersen
PHOENIX CONTACT USA
Multichannel circuit breakers
Multichannel circuit breakers for CID2 use. High-density, programmable electronic circuit breaker approved for use in hazardous locations. The CBM (circuit breaker multichannel) from Phoenix Contact has received Class I, Division 2 approval. This approval makes the CBM suitable for use in hazardous locations such as oil refineries, offshore platforms, and wastewater treatment facilities. The CBM is a programmable circuit breaker that can manage multiple circuits in a single, compact device... (read more)
Browse Circuit Breakers Datasheets for PHOENIX CONTACT USA
The Altech Circuit Breaker Advantages
Complete Line of UL certified UL489 (with current limiting), UL508 and UL1077 DIN Rail Miniature Circuit Protection Devices. 1. Hinged terminal cover design allows easy access to terminal screws with a broad range of screwdrivers! The possibility of breaking the housing is minimized even when using a wide shank screw driver. 2. Individual Part Number is shown on each circuit breaker and is legible when installed in the panel. 3. Designated marking area is protected with clear hinged cover. 4... (read more)
Browse Circuit Breakers Datasheets for Altech Corp.
APM Hexseal Corp.
Circuit Breakers Protective Applications
Consider protective applications on circuit breakers when a risk of exposure and possible malfunction is suggested. APM Hexseal has provided custom protective solutions for almost every environment. Some typical applications include: boat and marine systems, military and industrial panels, lighting control centers and any electrical environment where harsh conditions threaten system operations. The Electronics Division of APM Hexseal develops and manufactures environmental protection sealing... (read more)
Browse Self-sealing Fasteners Datasheets for APM Hexseal Corp.
CARLO GAVAZZI Automation Components
Miniature Circuit Breakers
CARLO GAVAZZI has launched a new range of Miniature Circuit Breakers for up to 480Y/277VAC systems: GMB Series UL489 MCBs for Branch Circuit Protection and GSB Series UL1077 MCBs for Supplementary Circuit Protection. The GMB Series are UL489, AC miniature molded circuit breakers, which provide reliable protection for a wide range of applications including branch circuit protection of HACR equipment, power supplies, transformers, motors, receptacles and other equipment. 1, 2 and 3 pole... (read more)
Browse Protective Relays and Monitoring Relays Datasheets for CARLO GAVAZZI Automation Components
E-T-A Circuit Breakers
Rocker Switch/Thermal Circuit Breaker
The 3120-F is an extremely versatile range of rocker switch/thermal circuit breakers (S-type TO CBE to EN 60934 with trip free mechanism) offering the choice of single pole, double pole with single pole protection, and double pole with protection on both poles. Designed for snap-in panel mounting with versions available for three different panel cut-out sizes. Illumination is optional and there is a range of colors and markings for the rocker. Under overload conditions the rocker returns... (read more)
Browse Circuit Breakers Datasheets for E-T-A Circuit Breakers
R. STAHL, Inc.
Explosion Protected Circuit Breaker Panels
watch > > >EPIK Explosion Proof Circuit Breaker Panel. EPIK Circuit Breaker Panel. The EPIK Circuit Breaker Panel is made of 316L stainless steel housing provides high corrosion resistance and extends the life and safety of your system. The R. STAHL EPIK Circuit Breaker Panel is easy to operate, lightweight and easy to install compared to traditional explosion proof cast and bolted systems. Up to 42 circuit. GFI/GFCI available in 5mA and 30 mA. Main breakers up to 250 amp. Optional Switch rack... (read more)
Browse Control Panels Datasheets for R. STAHL, Inc.
APM Hexseal Corp.
Environmental Sealing Boots for Circuit Breakers
In addition to protecting circuit breakers from environmental attack, these trigger-action boots can also make it easier to reset and turn on the breaker. To achieve the necessary muscle (leverage) to get the job done right, APM designed their patented "Trigger " arm, strategically located inside the silicone rubber seal 's dome. The user can easily and positively reset and activate the breaker knowing that a positive reset positioning event has occurred. This feature is available on a number... (read more)
Browse Switch Sealing Boots Datasheets for APM Hexseal Corp.
Allen-Bradley / Rockwell Automation
New Circuit Breakers from Rockwell Automation
Rockwell Automation offers a new global line of circuit breakers and motor protection devices. From miniature circuit breakers to molded case circuit breakers and motor protection circuit breakers, these components are accompanied by a full range of accessories and operating options to satisfy a range of installation needs. (read more)
Browse Circuit Breakers Datasheets for Allen-Bradley / Rockwell Automation
Conduct Research Top
Electromagnetic simulation of a low voltage industrial circuit breaker
This article demonstrates the workflow for the electromagnetic simulation of a circuit industrial circuit breaker using the CST EM STUDIO (R) (CST EMS).
Arc Movement Inside an AC/DC Circuit Breaker
Abstract-Within this project, the mode of operation of the circuit breaker and its new innovative method of arc guiding were analyzed and verified. The solution refers to a switching device that is able to deal with both ac switching loads and bidirectional dc switching loads.
Circuit Breaker Selective Trip Coordination in 225A and 400A Distribution Panelboards (.pdf)
With the increase of transformer size in the data center, much higher levels of available fault current are being seen. The use of "zero-crossing" circuit breakers to handle these faults, often in the range of 16,000 to 30,000 amps, is not advisable. All too often, the main circuit breaker trips
- What Makes a Magnetic Circuit Breaker Trip
Silicone Source-Certain HEXSEAL (R) Switch & Circuit Breaker Seals
Hardly a day goes by when the media isn't reporting on the lack of integrity in politics. In commerce, counterfeit electronic components are finding their way into U.S. military equipment. And in medicine, counterfeit breast implants utilizing industrial-grade silicone instead of the appropriate
Optimizing Circuit Breaker Instantaneous Trip Settings for Selectivity and Arc Flash Performance Simultaneously (.pdf)
This paper discusses analytical techniques and new technology that allow switchgear CBs to use sensitive instantaneous settings and maintain selectivity when using traditional electronic trips in switchgear and current limiting molded case circuit breakers, motor circuit protectors or fuses
Selecting Circuit Breakers (.pdf)
A circuit breaker to most design engineers is thought of as a low cost commodity component that usually doesn't get much attention when designing a new piece of equipment or system. In fact, on many occasions I have heard someone say, "It doesn't matter I just need a circuit breaker." The fact
Circuit breakers are manual switches that open under overload conditions. Circuit breakers discussed here are general-purpose types that meet the minimum Underwriters' Laboratories Inc. (UL) standards. Heavy-duty types used in power distribution systems such as oil-filled types, are not included
Sizing Circuit Breakers for Self-Regulating Heat Tracers (.pdf)
Circuit breaker sizing for S/R tracers is quite easily accomplished by using the specification sheet data or CompuTrace (R) heat tracing design software. However, sometimes an engineer or designer asks "What is the technical basis for sizing data and the resulting design values?" This ThermoTip
Switches & Circuit Breakers: To Hermetically Seal or Not (.pdf)
Not every unsealed or sealed panel switch, potentiometer, or circuit breaker needs environmental exposure protection from adverse conditions on the ground, in the air or on or under the water. But, for those controls that must operate where dust, dirt, moisture, water, lubricants, fungus, snow, ice