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Circuit Breaker 1250A 3-Pole | IP20 Protection | LSI Overload & Short-Circuit Capacity | Eaton
The Eaton NZMH4-VX1250 circuit breaker features a 1250A amperage rating and 3-pole configuration—ideal for industrial electrical panels and power distribution systems. Built for reliability, it includes LSI overload protection and a short-circuit breaking capacity of up to 63 kA, ensuring safety and efficiency in demanding environments.
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Product Name/Title: Circuit Breaker 1250A 3-Pole | IP20 Protection | LSI Overload & Short-Circuit Capacity | Eaton
Brand: Eaton
SKU: Y7-191455
Alternatively Known As: NZM4 PXR20 Circuit Breaker, Eaton 1250A Circuit Breaker, Molded Case Circuit Breaker 1250A, Electronic Circuit Breaker Eaton
Technical Specifications
- Amperage Rating: 1250 A
- Voltage Rating: 690 V AC
- Number of Poles: Three-pole
- Degree of Protection: IP20 (basic), IP40 front side with insulating surround
- Short-circuit breaking capacity (Ics): 63 kA at 230 V, 50 kA at 400/415 V
- Rated insulation voltage (Ui): 690 V AC
- Rated impulse withstand voltage (Uimp): 8000 V at main contacts
- Mounting Method: Fixed built-in device
- Electrical Connection Type: Screw connection
- Ambient Operating Temperature: -25 °C to 70 °C
- Mechanical Lifespan: 10,000 operations
- Electrical Lifespan: Up to 20,000 operations at 690 V AC-1
- Overload Protection: LSI overload protection with delayed and non-delayed short-circuit device
- Communication: Optional USB interface and Modbus RTU module
- Shock Resistance: 15 g (half-sinusoidal shock 11 ms)
- Dimensions (H x L x W): 170mm x 375mm x 210mm
- Weight: 19 kg
Key Features
- 1250 A amperage rating with 3-pole configuration
- Electronic release system with LSI overload protection
- Short-circuit breaking capacity up to 63 kA at 230 V
- Screw terminal electrical connection
- IP20 degree of protection in operating controls area
- Mechanical lifespan of 10,000 operations and electrical lifespan up to 20,000 operations
- Optional communication capability with Modbus RTU and CAM modules
- Thermal memory and R.m.s. value measurement features
- Ambient operating temperature range from -25 °C to 70 °C
- Shock resistance of 15 g (half-sinusoidal shock 11 ms)
Professional Installation Requirements
- Professional installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into switchgear assemblies.
Applications
- Industrial electrical panels
- Power distribution systems
- Motor and generator protection
- Unearthed supply systems at 525 V
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 3112 – Plugs and Socket-Outlets (Type I Plug)
- Complies with AS/NZS 3123 – Industrial Plugs and Socket-Outlets
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- RoHS compliant ensuring reduced hazardous substances
- Energy-efficient protection reducing electrical faults and downtime
- Durable design extends product lifecycle reducing waste
Warranty Information
Warranty terms as provided by Eaton, typically covering manufacturing defects. Please refer to Eaton's official warranty policy.
Available Now
The Eaton NZMH4-VX1250 circuit breaker is available for immediate purchase, ideal for industrial and commercial power distribution applications.
