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Motor Protective Circuit Breaker | 3-Pole | 4A Rated Current | 6000V Impulse Voltage | Eaton
Motor protective circuit breaker with a 4A rated current and 3-pole configuration—ideal for industrial and commercial motor protection. Built for efficiency class IE3 motors, it features a 6000V impulse withstand voltage and a durable design for long-lasting performance.
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Product Name/Title: Motor Protective Circuit Breaker | 3-Pole | 4A Rated Current | 6000V Impulse Voltage | Eaton
Brand: Eaton
SKU: Y7-278482
Alternatively Known As: Motor protective circuit breaker, Motor circuit breaker, PKZM01 breaker, Eaton motor protector, Motor overload protector
Technical Specifications
- Rated operational voltage: 440 V
- Rated operational current (Ie): 4 A
- Rated operational power at AC-3, 380/400 V, 50 Hz: 1.5 kW
- Overload release current setting: 2.5 - 4 A
- Number of poles: Three-pole
- Operating frequency: 25 operations per hour
- Rated impulse withstand voltage (Uimp): 6000 V AC
- Shock resistance: 25 g mechanical
- Terminal capacity (flexible with ferrule): 2 x (1 - 6) mm²
- Terminal capacity (solid): 2 x (1 - 6) mm²
- Tightening torque: 1.7 Nm
- Tripping characteristic: Overload trigger class 10 A
- Protection: Finger and back-of-hand proof (EN 50274)
- Mounting: Snap-on IEC/EN 60715 top-hat rail
- Electrical lifespan: 50,000 operations at 400V AC-3
- Mechanical lifespan: 50,000 operations
- 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
- Rated operational current of 4 A
- Overload trigger with tripping class 10 A
- 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
- Suitable for motors with efficiency class IE3
- 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
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
- Branch circuit protection for motors with efficiency class IE3
- Group installations requiring manual type E branch circuit protection
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Protects motors from damage, reducing waste and extending equipment life
- Supports energy-efficient motor operation by preventing overloads
- Durable design reduces need for frequent replacements
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 PKZM01 Motor-Protective Circuit-Breaker is available for immediate purchase, ideal for industrial and commercial motor protection applications.
