This Westinghouse LAB330 is a 3-pole, 300-ampere, 600-volt AB De-ion molded case circuit breaker (MCCB) featuring adjustable magnetic trip. The LAB frame is a well-regarded heavy-duty industrial breaker series manufactured by Westinghouse Electric Corp. This breaker is being sold as surplus/used and is intended for qualified electricians and industrial buyers.
| Feature | Specification |
|---|---|
| Brand | Westinghouse |
| Model Number | LAB330 |
| Catalog Number | LAB330 |
| Style | 371D332 (approx.) |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Series | AB De-ion |
| Frame | LAB |
| Number of Poles | 3 |
| Ampere Rating | 300A |
| Voltage Rating | 600V AC |
| Temperature Rating | 40°C |
| Trip Type | Magnetic Trip Adjustable |
| Magnetic Trip Adjustment | 3000-1 (range visible on label) |
| Manufacturer | Westinghouse Electric Corp. |
| UL Listed | Yes (UL label present) |
Compatible with Westinghouse and Cutler-Hammer LAB-frame switchgear, panelboards, and motor control equipment rated for 600V AC 3-phase service. Intended for use by licensed electricians and qualified industrial personnel only. Buyer is responsible for verifying suitability and testing prior to installation.