SIEMENS
HED42B040L - 40Amp Circuit Breaker
HED42B040L - 40Amp Circuit Breaker
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HED42B040L - 40Amp Circuit Breaker
The Siemens HED42B040L is a 40 Amp, two-pole molded case circuit breaker designed for use in compatible Siemens SENTRON low voltage electrical systems using the ED frame platform. This breaker is commonly used in replacement and maintenance applications where matching your existing breaker specifications, connection style, and panel configuration is important. With its thermal magnetic trip unit, the HED42B040L provides protection against overloads and short-circuit conditions while maintaining the same form, fit, and functional requirements expected for compatible installations.
Key Features and Benefits
- 40 Amp two-pole Siemens ED frame circuit breaker
- Thermal magnetic trip unit for overload and short-circuit protection
- Rated for 480V electrical systems
- Line and load side lug connections included
- Accepts #10–1/0 AWG copper conductors
- Accepts #10–1/0 AWG aluminum conductors
- Siemens SENTRON molded case circuit breaker design
- Meets UL 489 and IEC 60947-2 standards
Technical Specifications
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Catalog Number: HED42B040L
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Product Type: Molded case circuit breaker
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Frame Type: ED Frame
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Amperage Rating: 40 Amps
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Voltage Rating: 480V
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Poles: 2
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Trip Unit Type: Thermal magnetic
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Interrupt Rating: 42kAIC at 480V
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Terminal Configuration: Line and load side lugs
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Line Wire Range: #10–1/0 AWG CU/AL
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Load Wire Range: #10–1/0 AWG CU/AL
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Mounting Style: Panelboard mount
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Dimensions: 2 in W x 6.35 in H x 3.92 in D
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Weight: 2.712 lb
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UPC: 783643090187
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Country of Origin: Mexico
Material Compliance and Certifications
The Siemens HED42B040L is designed to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers.
Where It Works Best
- Siemens ED frame electrical distribution equipment
- 480V two-pole circuit protection applications
- Commercial and industrial electrical systems
- Compatible Siemens HED series replacement applications
- Electrical maintenance and repair projects
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.
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