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Motor Protection Circuit Breaker | Three-Pole | Phase-Failure Sensitivity | 50,000 Operations | Eaton
Motor protection circuit breaker with three-pole design and phase-failure sensitivity—ideal for industrial and commercial electrical installations. Built for three-phase motors up to 1.1 kW, it ensures reliable overload protection and enhances motor efficiency.
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Product Name/Title: Motor Protection Circuit Breaker | Three-Pole | Phase-Failure Sensitivity | 50,000 Operations | Eaton
Brand: Eaton
SKU: Y7-278481
Alternatively Known As: Motor Protection Circuit Breaker PKZM01, Motor Starter Circuit Breaker, Motor Overload Protector, Eaton Motor Circuit Breaker
Technical Specifications
- Dimensions (H x L x W): 90mm x 93mm x 45mm
- Weight: 0.293 kg
Key Features
- Phase-failure sensitivity according to IEC/EN 60947-4-1
- Three-pole motor protective circuit breaker
- Push button actuator type
- Finger and back-of-hand proof protection against direct contact (EN 50274)
- Can be snapped onto IEC/EN 60715 top-hat rail
- Electrical lifespan of 50,000 operations at 400V AC-3
- Mechanical lifespan of 50,000 operations
- Operating frequency of 25 operations per hour
- Rated impulse withstand voltage of 6000 V AC
- Shock resistance of 25 g mechanical according to IEC/EN 60068-2-27
- Suitable for motors with efficiency class IE3
- Operating temperature range from -25 °C to 55 °C
- Terminal capacity for flexible and solid cables from 1 to 6 mm²
- Screw terminal connection with 1.7 Nm tightening torque
Professional Installation Requirements
- Professional installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into motor control systems.
Applications
- Motor protection in industrial and commercial electrical installations
- Protection of three-phase motors up to 1.1 kW at 440 V
- Use in control panels and machinery requiring motor overload and phase failure protection
Standards & Compliance
- Complies with AS/NZS 60947-4-1 for low-voltage switchgear and controlgear - contactors and motor-starters
Environmental Benefits
- Enhances motor efficiency by providing reliable overload and phase failure protection, reducing motor damage and waste
- Supports energy-efficient motor operation by preventing motor faults and downtime
Warranty Information
Standard manufacturer warranty applies; please refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller PKZM01-2,5 Motor-Protective Circuit-Breaker is available for immediate purchase, ideal for motor protection in industrial and commercial electrical systems.
