E42B040L - 40Amp Circuit Breaker
- 40 Amp
- 18k @ 480VAC; 25k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
E42B040L - 40Amp Circuit Breaker Description
E42B040L - 40Amp Circuit Breaker
When maintaining an existing electrical system, finding a circuit breaker that matches the original specifications is essential. The E42B040L molded case circuit breaker is a 40 amp, 2-pole breaker designed to provide the form, fit, and function required for compatible electrical distribution equipment and legacy power systems. Built to last and engineered for dependable circuit protection, this breaker helps safeguard electrical circuits from overcurrent conditions while supporting the continued operation of existing installations.
Whether you're replacing a worn component during scheduled maintenance or sourcing a compatible breaker for an existing electrical panel, the E42B040L delivers the electrical ratings, mounting configuration, and physical footprint needed for continued service in qualifying applications.
Key Features and Benefits
- 40 amp current rating for compatible electrical distribution systems
- 2-pole configuration for multi-pole circuit protection
- Type E42 molded case circuit breaker design
- Includes both line-side and 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 commercial and industrial environments
Technical Specifications
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Part Number: E42B040L
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Type: E42
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Circuit Breaker Type: Molded Case Circuit Breaker
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Amperage: 40 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: Line-Side and 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 HVAC 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 E42B040L is commonly used in commercial buildings, industrial facilities, manufacturing operations, HVAC systems, electrical distribution equipment, maintenance departments, and retrofit projects where a 40 amp, 2-pole molded case circuit breaker with E42 specifications is required.
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:40
- 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. Includes line and 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.
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Same Day Shipping
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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).
