LGB1B030B - 30A Circuit Breaker

LGB1B030B - 30A Circuit Breaker

The Siemens LGB1B030B is a robust, low-voltage, panelboard-mounted circuit breaker that ensures superior performance and safety in demanding electrical environments. This breaker is part of Siemens' G Frame series, featuring a thermal-magnetic trip unit that provides precise protection against overcurrent conditions. Rated at 30 amps, the LGB1B030B can handle up to 14kA at 347V and 65kA at 277V, making it ideal for a wide range of commercial and industrial applications. Whether you're upgrading an existing system or planning a new installation, the Siemens LGB1B030B provides a high level of reliability and performance.

Key Features and Benefits

• High Interrupting Capacity: With a breaking capacity of up to 65kA at 277V, this circuit breaker is designed to protect electrical systems from severe short circuits and overloads.
• Thermal-Magnetic Trip Unit: Offers dual protection by responding to both long-term overloads and short-term spikes, ensuring comprehensive safety for electrical circuits.
• Compact Design: The slim profile and standardized dimensions make it suitable for panelboards and other confined spaces, facilitating easy integration into your existing setup.
• Versatile Connection Options: Supports a range of wire sizes (14 - 10 AWG) and materials (CU/AL), providing flexibility in various installation scenarios.
• Siemens Reliability: Built to the high-quality standards of Siemens, a trusted name in electrical components, ensuring durability and long-term performance.

Technical Specifications

• Current Rating: 30A
• Voltage Rating: Up to 347V (14kA) and 277V (65kA)
• Poles: 1
• Interrupting Capacity: 14kAIC at 347V; 65kAIC at 277V
• Trip Unit: Thermal-Magnetic
• Dimensions: 1 inch (W) x 5.4 inches (H) x 2.8 inches (D)
• Mounting: Panelboard

Material Compliance and Certifications

• UL Listed: The LGB1B030B is UL listed, meeting stringent safety and performance standards.
• RoHS Compliance: Ensures that the product is free from hazardous substances, aligning with environmental and health standards.
• REACH Compliance: Complies with EU regulations on chemicals, promoting safer production and handling practices.

Suitability

• The Siemens LGB1B030B is suitable for a wide range of applications, including commercial buildings, industrial facilities, and infrastructure projects. Its high breaking capacity and thermal-magnetic trip features make it particularly effective in environments where reliable circuit protection is critical. This breaker is ideal for contractors and electricians looking for dependable, space-efficient solutions in panelboard installations.

By choosing the Siemens LGB1B030B, you are investing in a circuit breaker that combines high performance with exceptional reliability, backed by one of the most reputable names in the electrical industry.