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Motor Protection Circuit Breaker 20A | Three-Pole | 9 kW Power | Snap-On Mounting by Eaton
Protect your motors with the 20A motor protection circuit breaker, designed for three-phase applications up to 9 kW. Ideal for industrial and commercial installations, it features phase-failure sensitivity and snap-on mounting for easy integration.
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Product Name/Title: Motor Protection Circuit Breaker 20A | Three-Pole | 9 kW Power | Snap-On Mounting by Eaton
Brand: Eaton
SKU: Y7-46988
Alternatively Known As: Motor Protection Circuit Breaker PKZM0, Motor Circuit Breaker 20A, Eaton Motor Protector, PKZM0-20 Motor Breaker
Technical Specifications
- Rated operational current (Ie): 20 A
- Rated operational power at AC-3, 380/400 V, 50 Hz: 9 kW
- Number of poles: Three-pole
- Actuator type: Turn button
- Terminal capacity (flexible with ferrule): 2 x (1 - 6) mm²
- Terminal capacity (solid): 1 x (1 - 6) mm²
- Stripping length (main cable): 10 mm
- Tightening torque: 1 Nm for screw terminals
- Overload release current setting: 16 A to 20 A
- Short-circuit current rating: 40 kA DC up to 250 V DC
- Operating frequency: 40 operations per hour
- Operating temperature range: -25 °C to 55 °C
- Mounting position: Snap-on to IEC/EN 60715 top-hat rail
- Protection: Finger and back-of-hand proof (EN 50274)
- Rated impulse withstand voltage (Uimp): 6000 V AC
- Shock resistance: 25 g mechanical shock
- Dimensions (H x L x W): 93mm x 76mm x 45mm
- Weight: 0.3 kg
Key Features
- Phase-failure sensitivity compliant with IEC/EN 60947-4-1
- Three-pole motor protective circuit breaker
- Screw terminal connections with 1 Nm tightening torque
- Rated operational current of 20 A
- Rated operational power up to 9 kW at 380/400 V, 50 Hz
- Overload release current adjustable from 16 A to 20 A
- High short-circuit current rating up to 40 kA DC
- Can be snapped onto IEC/EN 60715 top-hat rail
- Protection against direct contact from front (finger and back-of-hand proof)
- Operating temperature range from -25 °C to 55 °C
Professional Installation Requirements
- 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 9 kW
- Use in control panels and switchgear assemblies
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enhances motor efficiency by preventing damage and reducing downtime
- Supports energy savings by protecting motors from overload and phase failure
- Durable design reduces waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller PKZM0 Motor-Protective Circuit-Breaker 20A is available for immediate purchase, ideal for industrial motor protection applications.
