The Square D Masterpact NW 3000A (NW3000H1A9SX) is a 3000-amp, 3-pole, 600V drawout air circuit breaker with Micrologic 2.0 electronic trip unit. The Masterpact NW series is Square D's flagship air circuit breaker for main service entrance, bus tie, and feeder protection in large commercial, industrial, and utility applications. Features include drawout construction for easy maintenance, advanced electronic protection, and communication-ready architecture. UL 489 listed.
| Specification | Value |
|---|---|
| Amperage | 3000A |
| Poles | 3 |
| Voltage | 600V |
| Interrupt Rating | 85 kAIC |
| Frame Size | Masterpact NW |
| Mounting Type | Drawout |
| Trip Type | Micrologic 2.0 |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | Per NEC Table 310.16 |
| Phase | 3-Phase |
| Standards | UL 489, NEMA AB-1 |
| Temperature Rating | 40°C ambient |
Square D Masterpact NW Air Circuit Breaker 3000A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.
Brand: Square D | Series: Masterpact NW Air Circuit Breaker | Catalog Number: NW3000H1A9SX