HED42B125L - 125Amp Circuit Breaker
- 125 Amp
- 42k @ 480VAC; 100k @ 240VAC
- 2 Pole
Purchase Options:
HED42B125L - 125Amp Circuit Breaker Description
HED42B125L - 125Amp Circuit Breaker
The Siemens HED42B125L is a 125 Amp, 2-pole ED frame molded case circuit breaker built for compatible Siemens SENTRON electrical distribution equipment. When you're replacing a breaker in an existing system, the small details matter. Matching the correct frame style, amperage, voltage rating, pole configuration, and lug arrangement helps ensure the replacement fits the original application. The HED42B125L provides those key specifications, including a 480V rating, 42kAIC interrupting capacity, and line and load side lug connections.
Key Features and Benefits
- 125 Amp, 2-pole Siemens ED frame circuit breaker
- Thermal magnetic trip unit for overload and short-circuit protection
- 480V circuit breaker rating
- 42kAIC interrupting rating at 480V
- Line and load side lug connections
- Accepts:
- 3–3/0 AWG copper conductors
- 1–2/0 AWG aluminum conductors
- Siemens SENTRON molded case breaker design
- Meets UL 489 and IEC 60947-2 standards
- Standard 40°C breaker frame rating
- Suitable for compatible breaker replacement and maintenance applications
Technical Specifications
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Catalog Number: HED42B125L
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Product Type: Molded Case Circuit Breaker
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Frame Type: ED Frame
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Amp Rating: 125 Amps
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Voltage Rating: 480V
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Poles: 2
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Trip Unit: Thermal Magnetic
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Interrupting Rating: 42kAIC at 480V
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Terminal Configuration: Line and load side lugs
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Copper Wire Range: 3–3/0 AWG
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Aluminum Wire Range: 1–2/0 AWG
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Dimensions: 2 in W x 6.35 in H x 3.92 in D
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Net Weight: 2.712 lb
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UPC: 783643090279
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Country of Origin: Mexico
Material Compliance and Certifications
The Siemens HED42B125L is a low-voltage molded case circuit breaker designed to meet UL 489 and IEC 60947-2 standards. It is intended for use in compatible Siemens electrical distribution equipment where the breaker specifications match the existing installation.
Before installation, verify that the breaker matches the equipment requirements, including frame style, voltage rating, amp rating, pole configuration, terminal connections, and conductor sizing.
Where It Works Best
- Siemens ED frame electrical distribution equipment
- 480V two-pole circuit applications
- Commercial and industrial electrical systems
- Maintenance and replacement projects requiring a matching 125 Amp breaker
- Applications using copper or aluminum conductors within the listed range
- Existing installations where maintaining the original breaker configuration is important
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:125
- A.I.C. Rating & Volts:42k @ 480VAC; 100k @ 240VAC
- Type:HED4
- Approx Dimensions:2.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Sentron Style Molded Case Circuit Breaker. Includes line and load-side terminals. Suitable for reverse feed. - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
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If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
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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).