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Motor Protective Circuit Breaker 0.25A | Overload Class 10 | Snap-On Mounting | Eaton
Protect your motors with this 0.25A motor protective circuit breaker, featuring overload class 10 and snap-on mounting for easy installation. Ideal for industrial and commercial applications, it ensures reliable motor protection and compliance with safety standards.
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Product Name/Title: Motor Protective Circuit Breaker 0.25A | Overload Class 10 | Snap-On Mounting | Eaton
Brand: Eaton
SKU: Y7-72731
Alternatively Known As: Motor protective circuit breaker PKZM0, Eaton PKZM0-0.25, Motor circuit breaker 0.25A, PKZM0 motor protector
Technical Specifications
- Rated operational current (Ie): 0.25 A
- Rated operational power at AC-3, 380/400 V, 50 Hz: 0.06 kW
- Overload release current setting: 0.16 - 0.25 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
- Terminal capacity (flexible with ferrule): 2 x (1 - 6) mm²
- Terminal capacity (solid): 1 x (1 - 6) mm²
- Tightening torque: 1.7 Nm for main cable screw terminals
- Ambient operating temperature range: -25 °C to 55 °C
- Mounting: Snap-on to IEC/EN 60715 top-hat rail
- Shock resistance: 25 g mechanical shock
- Protection: Finger and back-of-hand proof (EN 50274)
- Lifespan: 100,000 electrical and mechanical operations
- 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
- Overload trigger with tripping class 10 A
- Rated operational current of 0.25 A
- Short-circuit current rating up to 65 kA depending on configuration
- Can be snapped onto IEC/EN 60715 top-hat rail (7.5 or 15 mm height)
- Protection against direct contact when actuated from front (EN 50274)
- Suitable for ambient operating temperatures 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 branch circuit protection
Standards & Compliance
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enhances motor efficiency by providing reliable protection, reducing downtime and energy waste
- Supports use with IE3 efficiency class motors, promoting energy-efficient motor operation
Warranty Information
Standard Eaton warranty applies; refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller PKZM0-0,25 Motor-Protective Circuit-Breaker is available for immediate purchase, ideal for industrial motor protection and electrical control panels.
