Description
The Siemens LGB3B080B Molded Case Circuit Breaker is designed for dependable circuit protection in industrial and commercial electrical systems. This 3-pole, 80-amp breaker operates at 600 volts with a 100kA interrupting capacity at 240V, providing robust overload and short-circuit protection. The LGB3B080B features a bolt-on connection and thermal magnetic trip functions, ensuring safe and efficient performance in demanding applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Protection |
| Part Number |
LGB3B080B |
| Subcategory |
Molded Case Circuit Breakers |
| Series |
VL Series |
| Type |
LGB |
| Poles |
3 |
| Amperage Rating |
80A |
| Voltage Rating |
600V AC |
| Interrupting Rating |
100kA @ 240V |
| Protection Type |
Thermal Magnetic |
| Trip Functions |
LI – Long-Time and Instantaneous |
| Connection Type |
Bolt-On |
| Wire Range |
8–1/0 AWG Cu, 8–2/0 AWG Al |
| Mounting Type |
Panelboard |
| Certifications |
UL 489, CSA C22.2 |
| Dimensions (HxWxD) |
5.4 x 3.0 x 2.8 in |
| Phase |
3 |
| Operating Temperature |
40°C |
| Weight |
2.75 lbs |
Information About LGB3B080B
The LGB3B080B is part of Siemens’ VL Series molded case circuit breakers, engineered for reliable low-voltage distribution in industrial control panels and panelboards. It features a bolt-on mounting configuration suitable for panelboard applications and supports reverse feed operation. The breaker uses a thermal magnetic trip mechanism to combine overload protection with instantaneous short-circuit response. Designed to meet UL 489 and CSA C22.2 standards, the LGB3B080B offers durability and high interrupting capacity, making it ideal for heavy-duty environments.
Key Features:
- High Interrupting Capacity: Supports up to 100kA at 240V for enhanced system protection.
- Thermal Magnetic Protection: Provides both long-time and instantaneous trip response for safe operation.
- Bolt-On Connection: Ensures secure, vibration-resistant installation in panelboard configurations.
- 3-Pole, 600V Rating: Designed for balanced three-phase electrical systems.
- Industrial Durability: Built with molded case housing for rugged performance in demanding environments.
- UL and CSA Certified: Meets strict industry safety and quality standards.
- Versatile Wire Range: Compatible with 8–1/0 AWG copper and 8–2/0 AWG aluminum conductors.
- Compact Design: Fits efficiently in confined spaces with dimensions of 3" x 5.4" x 2.8".
The LGB3B080B delivers the reliability and precision required for safe, consistent electrical circuit protection in industrial and commercial installations.
