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Motor Protective Circuit Breaker PKZM4-50 | 50A Rated Current | Three-Pole Design | Snap-On Mounting by Eaton
The PKZM4-50 motor protective circuit breaker features a 50A rated current and three-pole design—ideal for industrial and commercial motor protection. Built for efficiency and safety, it offers overload protection and is suitable for snap-on mounting on top-hat rails.
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Product Name/Title: Motor Protective Circuit Breaker PKZM4-50 | 50A Rated Current | Three-Pole Design | Snap-On Mounting by Eaton
Brand: Eaton
SKU: Y7-222355
Alternatively Known As: Motor Protective Circuit Breaker PKZM4-50, Eaton Motor Circuit Breaker 50A, PKZM4 Motor Protector, Eaton Motor Protection Switch
Technical Specifications
- Rated operational current (Ie): 50 A
- Rated operational voltage (Ue): up to 690 V
- Rated operational power at AC-3, 220/230 V, 50 Hz: 14 kW
- Rated operational power at AC-3, 380/400 V, 50 Hz: 25 kW
- Number of poles: Three-pole
- Overload release current setting: 40 A to 50 A
- Tripping characteristic: Overload trigger class 10 A
- Short-circuit current rating: 60 kA DC up to 250 V DC
- Operating frequency: 40 operations per hour
- Terminal capacity (flexible with ferrule): 1 x (0.75 - 35) mm²
- Terminal capacity (solid): 1 x (0.75 - 16) mm²
- Tightening torque: 3.3 Nm
- Operating temperature range: -25 °C to 55 °C
- Mounting: Snap-on IEC/EN 60715 top-hat rail
- Shock resistance: 15 g mechanical shock
- Protection: Finger and back-of-hand proof (EN 50274)
- Dimensions (H x L x W): 140mm x 160mm x 55mm
- Weight: 1.136 kg
Key Features
- Phase-failure sensitivity according to IEC/EN 60947-4-1
- Three-pole motor protective circuit breaker
- Turn button actuator type
- Finger and back-of-hand proof protection (EN 50274)
- Suitable for mounting on IEC/EN 60715 top-hat rail
- Overload trigger with tripping class 10 A
- Short-circuit current rating up to 60 kA DC at 250 V DC
- Temperature compensation from -25 to 55 °C
- Electrical lifespan of 30,000 operations at 400V AC-3
- Mechanical lifespan of 30,000 operations
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
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Enhances motor efficiency and protection, reducing energy waste and equipment damage
- Supports compliance with energy-efficient motor standards (IE3)
- Durable design reduces replacement frequency and electronic 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 PKZM4-50 Motor-Protective Circuit Breaker is available for immediate purchase, ideal for industrial and commercial motor protection applications.
