LGB1B040B - 40Amp Circuit Breaker
- 40 Amp
- 65k @ 277VAC; 100k @ 120VAC
- 1 Pole
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LGB1B040B - 40Amp Circuit Breaker Description
LGB1B040B - 40Amp Circuit Breaker
The Siemens LGB1B040B Circuit Breaker is a robust and dependable solution designed for low-voltage panelboard applications. This G Frame circuit breaker features a thermal-magnetic trip unit, providing precise protection against overloads and short circuits. With a 40-ampere rating and a single-pole configuration, it offers exceptional versatility and reliability for various electrical installations. The breaker‰۪s remarkable breaking capacity of 14kAIC at 347V and 65kAIC at 277V ensures superior performance in demanding environments. Engineered with load side lugs (TC1GG20) and compatible with both copper and aluminum wires ranging from 8 to 1/0 AWG, the Siemens LGB1B040B is built to meet rigorous safety and performance standards.
Key Features and Benefits
- High Breaking Capacity: With breaking capacities of 14kAIC at 347V and 65kAIC at 277V, this circuit breaker is well-suited for applications requiring high fault tolerance.
- Thermal-Magnetic Trip Unit: Provides reliable protection by responding to both overload and short-circuit conditions, ensuring the safety of your electrical systems.
- Compact Design: Measuring just 1 inch wide, 5.4 inches high, and 2.8 inches deep, the LGB1B040B is perfect for installations where space is at a premium.
- Versatile Wire Compatibility: Accommodates wire sizes from 8 to 1/0 AWG, offering flexibility in installation and reducing the need for additional accessories.
- Durable Construction: Built with high-quality materials to withstand rigorous use, this circuit breaker is designed for longevity and consistent performance.
Technical Specifications
- Frame Type: LGB Frame
- Amperage: 40A
- Poles: 1
- Voltage Rating: 277V AC (65kAIC) / 347V AC (14kAIC)
- Dimensions: 1 inch (W) x 5.4 inches (H) x 2.8 inches (D)
- Mounting: Panelboard
- Trip Unit: Thermal-Magnetic
- Wire Range: 8 - 1/0 AWG (Copper/Aluminum)
- Lug Type: Load Side Lugs (TC1GG20)
- Weight: 0.86 lbs
Material Compliance and Certifications
- UL Listed: This circuit breaker meets the rigorous safety and performance standards set by Underwriters Laboratories, ensuring reliable operation in various environments.
- WEEE Compliance: The LGB1B040B is compliant with the Waste Electrical and Electronic Equipment Directive, facilitating environmentally responsible disposal and recycling.
Suitability
- The Siemens LGB1B040B Circuit Breaker is ideally suited for commercial and industrial applications where reliable circuit protection and high fault tolerance are paramount. Its high breaking capacity makes it perfect for use in environments with potential for high fault currents, such as manufacturing facilities, large commercial buildings, and critical infrastructure systems. The compact design and versatile wire compatibility also make it an excellent choice for retrofit projects and new installations in space-constrained areas.
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. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:1.0
- Height:5.0
- Depth:3.06
- Poles:1
- Amperes:40
- A.I.C. Rating & Volts:65k @ 277VAC; 100k @ 120VAC
- Type:LGB
- Approx Dimensions:1.00"W x 5.00"L x 3.06"D
- Additional Notes:40å¼C, 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.
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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).