Square D NW4000N12A2E 3-Pole 4000A 600V Circuit Breaker

The Square D NW4000N12A2E is a 4000A, 3-pole, 600V molded case circuit breaker from the Masterpact NW series. It provides reliable overcurrent protection with LSIG trip function. Rated at 100kA @ 480V interrupting capacity. Call AllBreakerSales.com for pricing, availability, and same-day shipping.

NW4000N12A2E Specifications

SpecificationValue
Amperage4000A
Poles3
Voltage600V
Interrupt Rating100kA @ 480V
Frame SizeMasterpact NW
Mounting TypeDraw-Out
Trip TypeElectronic (Micrologic)
Trip FunctionLSIG
Wire Size600–2000 kcmil
Phase3-Phase
StandardsUL 489, CSA, IEC 60947-2
Temperature Rating40°C

Key Features

  • Draw-out construction
  • Micrologic trip unit
  • Zone selective interlocking
  • 100% rated

Applications

  • Main service entrance
  • Utility tie breakers
  • Large industrial plants

Buy NW4000N12A2E Circuit Breaker

Square D Masterpact NW 4000A 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 | Catalog Number: NW4000N12A2E

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