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Feels well-built and suitable for everyday plant and maintenance use.
Facilities · Manufacturing
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Circuit Breaker
Siemens | LGB1B020B | Circuit Breaker | 20A | 1-Pole | 277V | Bolt-On
| Amperes | 20 |
| Poles | 1 |
| Voltage | 277 |
| Product Type | Circuit Breaker |
Regular price
$637.00
Sale price
$637.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens | LGB1B020B | Circuit Breaker | 20A | 1-Pole | 277V | Bolt-On
Regular price
$637.00
Sale price
$637.00
Regular price
Unit price
Product description
Shipping
Introducing Siemens LGB1B020B, a 20A, 1-Pole circuit breaker engineered for 277V applications and bolt-on mounting. This OEM-grade component is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. When reliability and precise compatibility are non-negotiable, this breaker delivers the performance you expect from Siemens.
Key Specifications
- Amperage: 20A
- Poles: 1-Pole
- Voltage: 277V
- Mounting: Bolt-On
Why it stands out
Siemens designed the LGB1B020B to align with standard bolt-on panels, ensuring secure mounting and consistent electrical characteristics. The part number itself is your best reference for compatibility, so double-check against LGB1B020B when selecting replacements. This breaker is ideal for circuits where 277V is common, offering dependable protection in commercial and industrial environments.
Use cases and ideal applications
- Maintenance and replacements in 277V circuits within commercial buildings, schools, or industrial facilities.
- Retrofits where a 20A, 1-Pole bolt-on breaker is required to upgrade aging panels.
- Replacement in systems designed around Siemens bolt-on breakers to preserve panel integrity and trip performance.
Installation and compatibility tips
- Verify fit and ratings before ordering by cross-referencing the exact part number (LGB1B020B) with your panel’s requirements.
- Ensure the panel is designed to accept bolt-on breakers of this specification and that wiring diagrams align with a 1-Pole, 20A, 277V device.
- Follow all local electrical codes and safety procedures when performing replacements; disconnect power safely and consult a licensed electrician if needed.
Who should consider this breaker
Facilities managers, electrical engineers, and professional electricians responsible for maintaining or upgrading commercial electrical infrastructure will find this Siemens LGB1B020B to be a precise, dependable choice for 277V circuits where a 20A, 1-Pole bolt-on breaker is required.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Lead time was reasonable and the part matched expectations when it arrived.
Procurement · Ontario
Verified
Good value for industrial use. Customers mention easy installation.
Service tech · Field work
