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Motor Protective Circuit Breaker | 0.4 A Rated Current | Three-Pole | Screw Terminals by Eaton
Motor protective circuit breaker with a rated current of 0.4 A and three-pole design—ideal for industrial motor protection. Built for commercial electrical installations, it features screw terminal connections and overload release settings for enhanced safety.
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Product Name/Title: Motor Protective Circuit Breaker | 0.4 A Rated Current | Three-Pole | Screw Terminals by Eaton
Brand: Eaton
SKU: Y7-72732
Alternatively Known As: Motor protective circuit breaker PKZM0, Motor circuit breaker PKZM0, Eaton PKZM0 breaker, Motor protection switch PKZM0
Technical Specifications
- Rated operational current (Ie): 0.4 A
- Rated operational power at AC-3, 220/230 V, 50 Hz: 0.06 kW
- Rated operational power at AC-3, 380/400 V, 50 Hz: 0.09 kW
- Number of poles: Three-pole
- Connection type: Screw terminals
- Overload release current setting: 0.25 - 0.4 A
- Tripping characteristic: Overload trigger class 10 A
- Rated operational voltage (Ue): up to 690 V
- Short-circuit current rating: up to 65 kA depending on configuration
- Operating frequency: 40 operations per hour
- Operating temperature range: -25 °C to 55 °C
- Shock resistance: 25 g mechanical shock
- Mounting: Snap-on IEC/EN 60715 top-hat rail
- Terminal capacity (flexible with ferrule): 2 x (1 - 6) mm²
- Terminal capacity (solid): 2 x (1 - 6) mm²
- Tightening torque: 1.7 Nm for main cable
- Dimensions (H x L x W): 93mm x 76mm x 45mm
- Weight: 0.243 kg
Key Features
- Phase-failure sensitivity compliant with IEC/EN 60947-4-1 and VDE 0660 Part 102
- Three-pole motor protective circuit breaker
- Screw terminal connections with 1.7 Nm tightening torque
- Can be snapped onto IEC/EN 60715 top-hat rail (7.5 or 15 mm height)
- Rated operational current of 0.4 A with overload release current setting from 0.25 to 0.4 A
- Short-circuit current rating up to 65 kA depending on configuration
- Protection against direct contact when actuated from front (EN 50274)
- Operating temperature range from -25 °C to 55 °C
- Electrical and mechanical lifespan of 100,000 operations
- Shock resistance of 25 g according to IEC/EN 60068-2-27
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into motor control circuits.
Applications
- Motor protection in industrial and commercial electrical installations
- Branch circuit protection for motors with efficiency class IE3
- Group installations requiring manual type E protection
Standards & Compliance
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Enhances motor efficiency by protecting against overload and phase failure, reducing energy waste and equipment damage
- Durable design reduces need for frequent replacements, minimizing electronic waste
Warranty Information
Standard Eaton warranty applies; typically covers manufacturing defects for 1-2 years. Refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller PKZM0 Motor-Protective Circuit-Breaker is available for immediate purchase, ideal for industrial motor protection and control applications.
