Eaton NZMN2‑A250 Moeller Series NZM Molded Case Circuit Breaker – 250A, 3‑Pole, 50kA @ 400V, Thermal‑Magnetic Supplier | SIMPLYBUY
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Eaton NZMN2‑A250 Moeller Series NZM Molded Case Circuit Breaker – 250A, 3‑Pole, 50kA @ 400V, Thermal‑Magnetic - Image 3
Eaton NZMN2‑A250 Moeller Series NZM Molded Case Circuit Breaker – 250A, 3‑Pole, 50kA @ 400V, Thermal‑Magnetic - Image 4

Eaton NZMN2‑A250 Moeller Series NZM Molded Case Circuit Breaker – 250A, 3‑Pole, 50kA @ 400V, Thermal‑Magnetic

ParameterValue
Product TypeMolded Case Circuit Breaker (MCCB)
Series / BrandMoeller Series NZM / Eaton
Model NumberNZMN2‑A250
Catalog Number259094
EAN4015082590949
Frame SizeNZM2 (Frame 2)
Number of Poles3‑pole
Rated Current (In)250 A
Overload Current Setting (Ir)200…250 A (0.8–1 × In)
Instantaneous Current Setting (Ii)1500…2500 A (6–10 × In)
Rated Operational Voltage (Ue)690 V AC / 750 V DC
Rated Insulation Voltage (Ui)1000 V AC
Rated Impulse Withstand Voltage (Uimp)8000 V (main contacts); 6000 V (auxiliary contacts)
Breaking Capacity (Ics) @ 230 V AC85 kA
Breaking Capacity (Ics) @ 400/415 V AC50 kA
Breaking Capacity (Ics) @ 440 V AC35 kA
Breaking Capacity (Ics) @ 525 V AC25 kA
Breaking Capacity (Ics) @ 690 V AC5 kA
Making Capacity (Icm) @ 400/415 V AC105 kA
Making Capacity (Icm) @ 240 V AC187 kA
Release SystemThermal‑Magnetic
Utilisation CategoryA (IEC/EN 60947‑2)
Connection TypeScrew terminals (up to 185 mm²)
Handle TypeRocker lever
Dimensions (W × H × D)105 mm × 184 mm × 149 mm
Net Weight2.359 kg
Degree of Protection (IP)IP20 (base); IP66 with rotary handle
Ambient Operating Temperature‑25°C to +70°C
Mechanical Lifespan20,000 operations
Electrical Lifespan (AC‑1 @ 400 V)10,000 operations
Total Break Time at Short‑Circuit< 10 ms
Standards & CertificationsIEC/EN 60947‑2; RoHS conform
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Product Description

Eaton's Power Defense PDG series is a highly efficient and reliable low-voltage power distribution protection product designed to meet the needs of modern industrial and building automation. The series includes digital circuit breakers, protection devices, and integrated monitoring capabilities designed to enhance system safety, stability, and maintainability. Power Defense PDG offers flexible configuration options, supports intelligent management and remote monitoring, and can optimize energy utilization and reduce downtime. Its advanced protection technology, combined with a simple user interface, ensures safe equipment operation while enhancing user convenience, making it an ideal choice for industrial automation, buildings, data centers, and other fields.

Standard Features

  • Provides reliable overload protection with thermal-magnetic or electronic trip units

  • Fast and effective short-circuit protection to safeguard equipment and circuits

  • Supports 3-pole and 4-pole configurations for comprehensive circuit protection

  • Adjustable trip settings for customized overload and short-circuit protection

  • High interrupting capacity to safely handle large short-circuit currents

  • Modular design allows easy installation of auxiliary and signaling accessories

  • Long electrical and mechanical life ensures durable and reliable operation

  • Complies with IEC 60947-2 and other international standards

Technical Specifications

 

ModelRated Current (A)Rated VoltageBreaking Capacity (kA)
NZM1-1616690 V AC / 750 V DC50
NZM1-2020690 V AC / 750 V DC50
NZM2-4040690 V AC / 750 V DC65
NZM2-6363690 V AC / 750 V DC65
NZM3-100100690 V AC / 750 V DC100
NZM3-160160690 V AC / 750 V DC100
NZM4-250250690 V AC / 750 V DC150
NZM4-630630690 V AC / 750 V DC150
NZM4-10001000690 V AC / 750 V DC150
NZM4-16001600690 V AC / 750 V DC150

 

Eaton NZMN2‑A250 Moeller Series NZM Molded Case Circuit Breaker – 250A, 3‑Pole, 50kA @ 400V, Thermal‑Magnetic

Manufacturer: Eaton
Model: NZMN2‑A250
Catalog Number: 259094
Type: Molded Case Circuit Breaker (MCCB)
Series: Moeller Series NZM
Frame Size: NZM2 (Frame 2)
Rated Current (In): 250 A
Number of Poles: 3‑pole
Breaking Capacity (Icu @ 400/415V): 50 kA
Release System: Thermal‑Magnetic
Application: System and cable protection in industrial power distribution, panelboards, and infrastructure installations

The Eaton NZMN2‑A250 is a 3‑pole molded case circuit breaker from the Moeller Series NZM, designed for reliable overload and short‑circuit protection in industrial and commercial power distribution systems. With a 250 A frame and a breaking capacity of 50 kA at 400/415 V AC (85 kA at 230 V AC), it delivers robust fault current interruption. The thermal‑magnetic release system provides adjustable overload protection from 200 A to 250 A and adjustable short‑circuit protection from 1500 A to 2500 A (6–10 × In). Featuring a compact design (105 mm × 184 mm × 149 mm), rocker lever operation, and screw terminals supporting cables up to 185 mm², the NZMN2‑A250 is suitable for unearthed supply systems up to 690 V. It is part of Eaton‘s global NZM portfolio, offering a comprehensive range of accessories for flexible panel integration and compliance with IEC/EN 60947‑2 standards.

  • Adjustable Overload Protection: Thermal overload release adjustable from 200 A to 250 A (0.8–1 × In), providing precise coordination with downstream loads and flexible protection for diverse applications.

  • High Breaking Capacity: Delivers 50 kA Icu at 400/415 V AC, 85 kA at 230 V AC, 35 kA at 440 V AC, and 25 kA at 525 V AC, ensuring reliable protection under demanding short‑circuit conditions.

  • Thermal‑Magnetic Release System: Combines a thermal bimetal element for overload protection with an electromagnetic release for instantaneous short‑circuit protection (1500–2500 A), delivering dependable performance.

  • Compact & Robust Design: Space‑saving dimensions of 105 mm × 184 mm × 149 mm with a durable molded case (2.359 kg), ideal for panel mounting in space‑constrained enclosures.

  • Versatile Connection Capability: Screw terminals accept cables up to 185 mm², ensuring secure and low‑resistance terminations for high‑current wiring.

  • Wide Operating Temperature Range: Reliable performance from ‑25°C to +70°C, suitable for harsh industrial environments and varying climate conditions.

  • Global Compliance & Sustainability: Certified to IEC/EN 60947‑2 and RoHS conform; part of Eaton‘s Moeller Series with a comprehensive accessory range for flexible integration.

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