HEB1B040B - 40Amp Circuit Breaker
- 40 Amp
- 65k @ 277VAC; 100k @ 120VAC
- 1 Pole
Purchase Options:
HEB1B040B - 40Amp Circuit Breaker Description
HEB1B040B - 40Amp Circuit Breaker
The Siemens HEB1B040B is a 40 Amp, single-pole molded case circuit breaker built for use in compatible HEB (EG) frame low-voltage panelboards. It uses a thermal-magnetic trip unit to protect your electrical circuits from overloads and short circuits, making it a dependable choice for keeping existing distribution equipment operating as intended.
Key Features and Benefits
- Siemens HEB (EG) frame molded case circuit breaker
- 40 Amp current rating
- Single-pole design
- Thermal-magnetic trip unit for overload and short-circuit protection
- Rated for 277 VAC applications
- Factory-equipped with load-side lugs (TA1EG10)
- Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
- Designed for form, fit, and functional compatibility with existing HEB frame panelboards
- UL Listed
- Built to last for continued service in compatible electrical systems
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: HEB1B040B
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Product Type: Molded Case Circuit Breaker
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Frame Type: HEB (EG Frame)
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Number of Poles: 1
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Current Rating: 40 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 in. W × 5.5 in. H × 3 in. D
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Weight: 1.257 lb
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Country of Origin: Dominican Republic
Material Compliance and Certifications
- UL Listed
- Accepts copper and aluminum conductors
- ECCN: EAR99
- Commodity Code: 8536200040
- WEEE Category 5
- Not classified as dangerous goods
Where It Works Best
The Siemens HEB1B040B is used in compatible HEB (EG) frame panelboards found in commercial buildings, industrial facilities, and institutional properties. It is intended for maintaining existing electrical systems where preserving the original form, fit, and function is essential.
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:40
- 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.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
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.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
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).