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Molded Case Circuit Breaker 250A | 690V AC | Electronic Release & IP66 Protection | Eaton
Molded case circuit breaker rated at 250A and 690V AC—ideal for industrial electrical panels and motor protection. Built for reliability with electronic release and high short-circuit breaking capacity, ensuring safety and efficiency in demanding environments.
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Product Name/Title: Molded Case Circuit Breaker 250A | 690V AC | Electronic Release & IP66 Protection | Eaton
Brand: Eaton
SKU: Y7-191349
Alternatively Known As: NZM3 PXR20 Circuit Breaker, Eaton Molded Case Circuit Breaker 250A, Electronic Circuit Breaker 3P 250A
Technical Specifications
- Amperage Rating: 250 A
- Voltage Rating: 690 V AC
- Number of Poles: Three-pole
- Mounting Method: Built-in fixed technique
- Electrical Connection Type: Screw connection
- Degree of Protection: IP20 (basic), IP66 with door coupling rotary handle
- Overvoltage Category: III
- Rated Short-Circuit Breaking Capacity (Ics): 150 kA at 400/415 V
- Rated Short-Circuit Making Capacity (Icm): 330 kA at 400/415 V
- Rated Insulation Voltage (Ui): 690 V AC
- Ambient Operating Temperature: -25 °C to 70 °C
- Mechanical Lifespan: 15000 operations
- Electrical Lifespan: Up to 5000 operations depending on voltage
- Shock Resistance: 20 g (half-sinusoidal shock 20 ms)
- Terminal Capacity: Up to 240 mm² copper conductor
- Release System: Electronic release with LSI overload protection
- Features: USB interface, thermal memory, optional communication modules
- Dimensions (H x L x W): 275mm x 166mm x 140mm
- Weight: 6.34 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 function with Power Xpert Protection Manager software
- Optionally communication-capable with interface module and internal Modbus RTU module or CAM
- High rated short-circuit breaking capacity up to 150 kA at 400/415 V
- Screw terminal main circuit connection with optional box and tunnel terminals
- Finger and back-of-hand proof protection to DIN EN 50274/VDE 0106 part 110
- IP20 degree of protection in operating controls area
- Mechanical lifespan of 15000 operations and electrical lifespan up to 5000 operations depending on voltage
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 panels and switchgear
- Motor drive protection and generator protection systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- RoHS compliant, ensuring reduced hazardous substances
- Energy-efficient protection reduces 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 Moeller NZM3 PXR20 Molded Case Circuit Breaker 250A 3P is available now for immediate purchase. Ideal for industrial and commercial electrical protection applications.
