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Molded Case Circuit Breaker 250A | 690V AC | 85kA Short-Circuit Capacity | IP20 Protection by Eaton
Molded case circuit breaker rated at 250A and 690V AC—ideal for industrial electrical protection. Built for motor drive and generator safety, featuring an electronic release system and high short-circuit breaking capacity.
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Product Name/Title: Molded Case Circuit Breaker 250A | 690V AC | 85kA Short-Circuit Capacity | IP20 Protection by Eaton
Brand: Eaton
SKU: Y7-191602
Alternatively Known As: Molded Case Circuit Breaker 250A, NZM3 Circuit Breaker, Eaton NZM3 PXR20, Electronic MCCB 250 Amp, Industrial Circuit Breaker 3 Pole
Technical Specifications
- Rated current: 250 A
- Voltage rating: 690 V AC
- Number of poles: 3
- Rated short-circuit breaking capacity Ics: 85 kA at 230 V, 50/60 Hz
- Rated short-circuit breaking capacity Ics: 50 kA at 400/415 V, 50/60 Hz
- Rated insulation voltage (Ui): 690 V AC
- Degree of protection: IP20 (basic), IP40 front side with insulating surround
- Operating temperature range: -25 °C to 70 °C
- Mechanical lifespan: 15000 operations
- Electrical lifespan: up to 5000 operations at 400 V AC-1
- Terminal capacity: up to 240 mm² copper conductor
- Mounting method: Fixed built-in device
- Release system: Electronic
- Short-circuit release delayed setting range: 200 A to 2500 A
- Short-circuit release non-delayed setting range: 500 A to 4500 A
- Overload current setting range: 100 A to 250 A
- Shock resistance: 20 g (half-sinusoidal shock 20 ms)
- Features: Motor drive optional protection unit, USB interface for configuration
- Dimensions (H x L x W): 275mm x 166mm x 140mm
- Weight: 6.9 kg
Key Features
- Electronic release system with LSI overload protection
- Delayed and non-delayed short-circuit protective device
- R.m.s. value measurement and thermal memory
- USB interface for configuration and test functions
- Optional communication-capable with interface module and Modbus RTU
- High rated short-circuit breaking capacity up to 85 kA at 230 V
- Screw terminal main circuit connection
- IP20 basic degree of protection in operating controls area
- Ambient operating temperature range from -25 °C to 70 °C
- Mechanical lifespan of 15000 operations and electrical lifespan up to 5000 operations
Professional Installation Requirements
- Installation must be performed by a qualified electrician familiar with industrial circuit breakers and compliance with local electrical standards.
Applications
- Use in unearthed supply systems at 690 V
- Industrial electrical protection
- Motor drive and generator protection
- Cable and system selectivity protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
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 per Eaton standard product warranty policy. Typically covers manufacturing defects for a specified period.
Available Now
The Eaton Moeller NZM3 PXR20 Molded Case Circuit Breaker 250A 3P is available for immediate purchase. Ideal for industrial and commercial electrical protection applications.
