WESTINGHOUSE LB3400 Molded Case Circuit Breaker 3 Pole 400A 600VAC Industrial Power Protection
Westinghouse · Circuit Breakers & Protection
Description The WESTINGHOUSE LB3400 is a molded case circuit breaker designed to provide high-capacity overcurrent protection in industrial electrical systems. It supports three-phase circuits with a 400 amp rating and operates at up to 600 VAC. This breaker is built for reliable interruption of fault currents in demanding power distribution applications. Technical Specifications Condition New/Never Used Surplus Brand WESTINGHOUSE Category Circuit Breaker Part Number LB3400 Subcategory Molded Case Circuit Breaker Current Rating 400 Amp Number of Poles 3 Pole Voltage Rating 600 VAC Frequency 50/60 Hz Trip Type Thermal-Magnetic Mounting Type Panel / Switchboard Mount Application Industrial Power Distribution Manufacturer Status Discontinued Weight 10.65 lbs Information About LB3400 The LB3400 is part of Westinghouse’s legacy molded case circuit breaker lineup, developed for heavy-duty electrical protection. It features a 3-pole configuration suitable for three-phase systems in industrial and commercial installations. The breaker incorporates thermal-magnetic trip technology to respond to both overload and short-circuit conditions. Designed for integration into switchboards and panelboards, it ensures stable and safe operation in high-power environments. Key Features: 3-Pole Configuration: Provides protection for three-phase electrical circuits. 400 Amp Rating: Supports high-current loads in industrial power systems. 600 VAC Operation: Suitable for high-voltage AC distribution applications. Thermal-Magnetic Trip: Combines overload protection with fast short-circuit response. Molded Case Design: Offers durable insulation and mechanical protection for internal components. Panel and Switchboard Integration: Compatible with industrial distribution equipment. High Fault Interruption Capability: Ensures safe disconnection during abnormal conditions. Robust Construction: Designed for long-term operation in demanding environments. The LB3400 delivers the reliability and precision required for circuit protection and power distribution safety in industrial electrical systems.
Brand: Westinghouse · Category: Circuit Breakers & Protection
Key features
- 3-Pole Configuration: Provides protection for three-phase electrical circuits.
- 400 Amp Rating: Supports high-current loads in industrial power systems.
- 600 VAC Operation: Suitable for high-voltage AC distribution applications.
- Thermal-Magnetic Trip: Combines overload protection with fast short-circuit response.
- Molded Case Design: Offers durable insulation and mechanical protection for internal components.
- Panel and Switchboard Integration: Compatible with industrial distribution equipment.
- High Fault Interruption Capability: Ensures safe disconnection during abnormal conditions.
- Robust Construction: Designed for long-term operation in demanding environments.
Specifications
| Manufacturer part number | LB3400 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | WESTINGHOUSE |
| Category | Circuit Breaker |
| Part Number | LB3400 |
| Subcategory | Molded Case Circuit Breaker |
| Current Rating | 400 Amp |
| Number of Poles | 3 Pole |
| Voltage Rating | 600 VAC |
| Frequency | 50/60 Hz |
| Trip Type | Thermal-Magnetic |
| Mounting Type | Panel / Switchboard Mount |
| Application | Industrial Power Distribution |
| Manufacturer Status | Discontinued |
| Weight | 10.65 lbs |
| Product type | Molded Case Circuit Breaker |
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