LL3B250 - 250Amp Circuit Breaker
- 250 Amp
- 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
- 3 Pole
Purchase Options:
LL3B250 - 250Amp Circuit Breaker Description
LL3B250 - 250Amp Circuit Breaker
Looking for an LL3B250 usually means you already have a specific breaker in mind. This one is rated 250A, has three poles, and is identified as an LL3 molded case circuit breaker with a Type ET, 600 Ampere LL frame. The interrupting ratings are worth watching because they vary by voltage. You get 42 kA at 240VAC, 30 kA at 480VAC, and 22 kA at 600VAC. The supplied specifications also call out a 40°C rating.
Key Features and Benefits
- 250A, 3-pole molded case circuit breaker
- LL3 type construction
- Identified as a Type ET, 600 Ampere LL-frame breaker
- Specified at 40°C
- Voltage-specific A.I.C. ratings make it easier to compare the breaker with actual system requirements
- A practical form, fit, and functional replacement candidate when existing equipment specifically calls for the LL3B250 configuration
Technical Specifications
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Part Number: LL3B250
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Product Type: Molded Case Circuit Breaker
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Type: LL3
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Frame: 600 Ampere LL Frame
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Additional Identification: Type ET
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Amperage: 250A
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Poles: 3
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Temperature Rating: 40°C
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A.I.C. at 240VAC: 42 kA
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A.I.C. at 480VAC: 30 kA
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A.I.C. at 600VAC: 22 kA
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Width: 9 in.
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Height: 11 in.
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Depth: 4 in.
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Dimensions: 9.00"W x 11.00"H x 4.00"D
Material Compliance and Certifications
The information available for the LL3B250 doesn't specify exact UL, CSA, IEC, RoHS, REACH, or other certification and material-compliance details.
Where It Works Best
The LL3B250 belongs on the shortlist when you're maintaining existing or legacy electrical equipment that calls for this particular 250A, three-pole LL-frame breaker.
That's really the point. When you're searching for an LL3B250 replacement circuit breaker, you want the details to match—not just the 250A marking. Check the LL3B250 part number, three poles, LL3 type, 600 Ampere LL frame, Type ET identification, 40°C rating, dimensions, system voltage, and corresponding A.I.C. rating. These details help establish the required form, fit, and function.
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Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
Specifications
- Width:9.0
- Height:11.0
- Depth:4.0
- Poles:3
- Amperes:250
- A.I.C. Rating & Volts:22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
- Type:LL3
- Approx Dimensions:9.00"W x 11.00"L x 4.00"D
- Additional Notes:40°C, Type ET 600 Ampere "LL" Frame, Molded Case Circuit Breaker - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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