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(Web) Breakthrough Current @ Voltage (Web) BreakthroughCurrent @ Voltage |
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Breakthrough Current Breakthrough Current |
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Circuit Breaker Type Circuit Breaker Type |
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Current Current | Show |
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Current Current | Hide |
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Depth Behind Panel Depth Behind Panel |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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For Panel Cutout Diameter For Panel Cutout Diameter |
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Manual Reset Style Manual Reset Style |
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 | Toggle |
Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Mount Type Mount Type |
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Mounting Location Mounting Location |
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Number of Poles Number of Poles |
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Reset Type Reset Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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UL File Number UL File Number |
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Wire Connection Type Wire Connection Type |
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 | Quick-Disconnect Terminals |
Panel-Mount Equipment Circuit Breakers
Mount these breakers, also known as supplemental protectors, through panels downstream from a branch circuit breaker to protect a single piece of equipment. They are rated UL1077 for protection against overloads and short circuits. These breakers can also be used as on/off switches. All are thermal, so they use the heat generated in overcurrent situations to trip the breaker.
Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
For technical drawings and 3-D models, click on a part number.
Toggle Style—Screw-On Mount
Toggle Style
| Current, A | Voltage | Frequency, Hz | Breakthrough Current | For Panel Cutout Dia. | Dp. Behind Panel | Mounting Fasteners Included | Quick-Disconnect Tab Wd. | Temp. Range, °F | Specifications Met | Each | |
1 Pole | |||||||||||
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| 4/10 | 250V AC/75V DC | 50/60 | 1,000 A @ 250 V AC 800 A @ 75 V DC | 1/4" | 2.42" | Yes | 0.25" | -20° to 140° | UL 1077, UL Recognized Component | 0000000 | 000000 |