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Eaton NZMN2-A250-NA 2 Product Overview

Sep 03, 2025 Eaton

The Eaton NZMN2-A250-NA 2 is a molded case circuit breaker (MCCB) designed for use in distribution and industrial control applications. It is a 3-pole, 250A MCCB with a thermal-magnetic trip mechanism and a short-circuit breaking capacity of 50 kA at 400 V AC. The NZMN2-A250-NA 2 is part of the Eaton NZM series of MCCBs, which are designed to provide reliable and economical circuit protection for a wide variety of applications.

Eaton NZMN2-A250-NA

Key features of the Eaton NZMN2-A250-NA 2 include

  • Thermal-magnetic trip mechanism for overload and short-circuit protection
  • Short-circuit breaking capacity of 50 kA at 400 V AC
  • Quick-make, quick-break contacts for reliable operation
  • Visible indication of trip status
  • Tamper-proof design to prevent unauthorized operation
  • Wide range of accessories available

Specifications

  • Amperage rating 250 A
  • Voltage rating 690 V AC, 750 V DC
  • Trip type Thermal-magnetic
  • Circuit breaker type Molded case
  • Frame size NZM2
  • Class H
  • Accessories Wide range available
  • Adjustment range short-circuit release 1500-2500A
  • Setting Range Ol Protector 200-250A
  • Short-circuit breaking capacity 50 kA
  • Interrupt rating 50 kA
  • Connection Screw
  • Overload range 200-250A
  • Number of poles 3

Additional features

  • The Eaton NZMN2-A250-NA 2 is UL and CSA listed.
  • The Eaton NZMN2-A250-NA 2 is IEC 60947 compliant.
  • The Eaton NZMN2-A250-NA 2 is backed by Eaton’s global support network.

Applications

  • The Eaton NZMN2-A250-NA 2 is typically used in distribution and industrial control applications, such as
  • Feeders
  • Branch circuits
  • Motor circuits
  • Lighting circuits
  • Backup generators
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