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Motor Protective Circuit Breaker 6.3A | 440V | Three-Pole | Push Button by Eaton
Motor protective circuit breaker rated at 6.3A and 440V—ideal for industrial and commercial motor protection. Built for efficient operation with finger-proof protection and snap-on mounting for easy installation.
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Product Name/Title: Motor Protective Circuit Breaker 6.3A | 440V | Three-Pole | Push Button by Eaton
Brand: Eaton
SKU: Y7-278483
Alternatively Known As: Motor protective circuit breaker, Motor circuit breaker, PKZM01 breaker, Eaton motor protector
Technical Specifications
- Rated operational current (Ie): 6.3 A
- Rated operational voltage (Ue): 440 V
- Rated operational power at AC-3, 380/400 V, 50 Hz: 2.2 kW
- Number of poles: Three-pole
- Actuator type: Push button
- Short-circuit current rating: 60 kA DC up to 250 V DC
- Overload release current setting: 4 - 6.3 A
- Operating frequency: 25 operations per hour
- Protection: Finger and back-of-hand proof (EN 50274)
- Mounting: Snap-on to IEC/EN 60715 top-hat rail
- Temperature range: -25 °C to 55 °C ambient
- Terminal capacity: 1 - 6 mm² (solid and flexible with ferrule)
- Tightening torque: 1.7 Nm
- Dimensions (H x L x W): 90mm x 93mm x 45mm
- Weight: 0.3 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 6.3 A
- Short-circuit current rating up to 60 kA DC at 250 V DC
- Can be snapped onto IEC/EN 60715 top-hat rail
- Operating frequency of 25 operations per hour
- Overvoltage category III and pollution degree 3
- Temperature compensation ≤ 0.25 %/K for operating range -5 to 40 °C
Professional Installation Requirements
- Professional installation by a qualified electrician is required 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 protecting against phase failure and overload
- Reduces energy waste and equipment damage by preventing motor faults
Warranty Information
Standard Eaton warranty applies; typically 1-2 years against manufacturing defects.
Available Now
The Eaton Moeller PKZM01 Motor-Protective Circuit-Breaker 6.3A is available now for immediate purchase. Ideal for industrial and commercial motor protection applications.
