HEB1B020B - 20Amp Circuit Breaker
- 20 Amp
- 65k @ 277VAC; 100k @ 120VAC
- 1 Pole
Purchase Options: New In Box
HEB1B020B - 20Amp Circuit Breaker Description
HEB1B020B - 20Amp Circuit Breaker
Keeping your existing electrical system running often comes down to finding the right replacement part. The Siemens HEB1B020B is a 20 Amp, single-pole molded case circuit breaker built for compatible HEB (EG) frame panelboards. It uses a thermal-magnetic trip unit to help protect circuits from overloads and short circuits while matching the original form, fit, and function of the equipment it was designed for. Rated for 277 VAC with a 65kA interrupting capacity (25kAIC at 347 VAC), this breaker is commonly used in commercial and industrial power distribution systems where dependable circuit protection is essential.
Key Features and Benefits
- Siemens HEB (EG) frame molded case circuit breaker
- 20 Amp, single-pole configuration
- Thermal-magnetic trip unit for overload and short-circuit protection
- Form, fit, and functional replacement for compatible Siemens equipment
- Rated for 277 VAC applications
- Load-side lugs (TA1EG10)
- Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
- UL Listed
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: HEB1B020B
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Product Type: Molded Case Circuit Breaker
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Frame Type: HEB (EG Frame)
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Poles: 1
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Current Rating: 20 Amps
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Voltage Rating: 277 VAC
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Trip Unit: Thermal-Magnetic
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Interrupting Rating: 65kAIC @ 277 VAC; 25kAIC @ 347 VAC
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Terminal Type: Load-Side Lugs (TA1EG10)
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Wire Range: 8 AWG to 1/0 AWG Copper/Aluminum
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Dimensions: 1" W × 5.5" H × 3" D
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Weight: Approximately 0.66 lb
Material Compliance and Certifications
- UL Listed
- Compatible with copper and aluminum conductors
- Manufactured for compatible Siemens HEB (EG) frame panelboard applications
- ECCN: EAR99
Where It Works Best
The HEB1B020B is intended for use in compatible commercial, industrial, and institutional electrical distribution systems that utilize Siemens HEB (EG) frame panelboards. It's a practical choice for maintenance, repair, or replacement projects where preserving the original equipment 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:1.0
- Height:5.5
- Depth:3.0
- Poles:1
- Amperes:20
- A.I.C. Rating & Volts:65k @ 277VAC; 100k @ 120VAC
- Type:HEB
- Approx Dimensions:1.00"W x 5.50"L x 3.00"D
- Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker, Panelboard Mount. Includes Load-Side Terminals
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).