HED43B125L - 125Amp Circuit Breaker
- 125 Amp
- 42k @ 480VAC; 100k @ 240VAC
- 3 Pole
Purchase Options:
HED43B125L - 125Amp Circuit Breaker Description
HED43B125L - 125Amp Circuit Breaker
The Siemens HED43B125L is a 125 Amp, 3-pole molded case circuit breaker built for use in compatible low-voltage commercial and industrial electrical systems. This ED-frame breaker includes a thermal-magnetic trip unit that provides protection during overload and short-circuit conditions, helping protect your connected equipment and electrical circuits. With a 480 VAC rating and 42kAIC interrupting capacity, the HED43B125L is intended for applications where these specific electrical requirements are needed.
Key Features and Benefits
- 125 Amp current rating
- Three-pole design for three-phase electrical systems
- Siemens SENTRON ED-frame molded case circuit breaker
- Thermal-magnetic trip unit for overload and short-circuit protection
- 480 VAC voltage rating
- Includes line and load side lugs (TA1E6125)
- Supports copper and aluminum conductors
- Standard 40°C calibration
- Suitable for compatible Siemens panelboards, switchboards, and distribution equipment
- Built to last for commercial and industrial applications
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: HED43B125L
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Product Type: Molded Case Circuit Breaker
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Frame: ED
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Current Rating: 125 Amps
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Number of Poles: 3
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Voltage Rating: 480 VAC
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Interrupting Rating: 42kAIC at 480 VAC
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Trip Unit: Thermal-Magnetic
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Terminal Configuration: Line and Load Side Lugs (TA1E6125)
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Copper Wire Range: 3 AWG–3/0 AWG
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Aluminum Wire Range: 1 AWG–2/0 AWG
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Dimensions: 3.00" W × 6.35" H × 3.92" D
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Weight: 3.616 lb
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Country of Origin: Mexico
Material Compliance and Certifications
- UL 489 Listed
- IEC 60947-2 Compliant
- RoHS compliance information available
- REACH information available
- Export Classification: EAR99
Where It Works Best
The Siemens HED43B125L is commonly used in industrial facilities, commercial buildings, manufacturing environments, and other electrical distribution systems that use compatible Siemens ED-frame breakers. It is a good fit for applications where the original breaker specifications call for a 125 Amp, 3-pole, 480V circuit breaker with a 42kAIC rating.
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:3.0
- Height:6.35
- Depth:3.92
- Poles:3
- Amperes:125
- A.I.C. Rating & Volts:42k @ 480VAC; 100k @ 240VAC
- Type:HED4
- Approx Dimensions:3.00"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.
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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).