E42B045 - 45Amp Circuit Breaker
- 45 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B045 - 45Amp Circuit Breaker Description
E42B045 - 45Amp Circuit Breaker
When a circuit breaker needs replacement, finding one with the correct ratings, dimensions, and mounting configuration is often the most important part of keeping an electrical system operating as intended. The E42B045 molded case circuit breaker is a 45 amp, 2-pole Type E42 breaker designed for applications that require the same form, fit, and function as the original device.
Whether you're replacing a breaker during scheduled maintenance, repairing existing equipment, or sourcing a compatible component for an electrical distribution system, the E42B045 offers the ratings and configuration needed to support continued operation. Built to last and designed around established electrical specifications, it helps preserve the original design requirements of compatible installations.
Key Features and Benefits
- 45 amp current rating for compatible electrical distribution applications
- 2-pole configuration for multi-pole circuit protection
- Type E42 molded case circuit breaker
- Bolt-on mounting design for secure installation
- Includes load-side terminals
- HACR rated for qualifying HVAC and refrigeration equipment
- Rated for operation in ambient temperatures up to 40°C (104°F)
- Interrupting capacity of 25kA at 240VAC and 18kA at 480VAC
- Designed to match the form, fit, and function requirements of compatible systems
- Suitable for maintenance, repair, and replacement applications
- Built to last in demanding commercial and industrial environments
Technical Specifications
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Part Number: E42B045
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Type: E42
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Circuit Breaker Type: Molded Case Circuit Breaker
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Mounting Style: Bolt-On
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Amperage: 45 Amps
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Poles: 2
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A.I.C. Rating: 25kA @ 240VAC; 18kA @ 480VAC
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Temperature Rating: 40°C (104°F)
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HACR Rated: Yes
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Included Terminals: Load-Side Terminals
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Width: 2.0 in.
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Height: 6.35 in.
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Depth: 3.92 in.
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Dimensions: 2.0"W x 6.35"H x 3.92"D
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Approximate Ship Weight: 4.31 lbs.
Material Compliance and Certifications
- HACR rated for qualifying heating, ventilation, air conditioning, and refrigeration applications
- Molded case circuit breaker construction
- Designed for use in systems requiring the published electrical ratings and configuration
- Intended for installation in accordance with applicable electrical codes and manufacturer requirements
- Rated for operation in ambient temperatures up to 40°C (104°F)
Where It Works Best
The E42B045 is well suited for commercial facilities, industrial operations, manufacturing plants, HVAC equipment, electrical distribution systems, maintenance projects, and retrofit applications that require a 45 amp, 2-pole Type E42 circuit breaker.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
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:2.0
- Height:6.35
- Depth:3.92
- Poles:2
- Amperes:45
- A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
- Type:E42
- Approx Dimensions:2.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker. Bolt-On. Includes load-side terminals
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).
