Eaton 0.63 → 1 A Motor Protection Circuit Breaker, 690 V ac

Eaton's reliable and robust PKZ motor protection circuit breakers have been produced by Eaton since 1932. They have continued to develop safe and innovative systems that assume the role of international trendsetting for motor protection!

The PKZMO circuit breakers are the perfect solution for optimum safety and protection of motors from faults such as an overload of high voltages, electrical short circuits or relay shutdowns. Down-time of machinery can be detrimental to a business and its operations, Eaton's PKZM0 range of motor protection circuit breakers has been created and designed to act as an intermediary between your devices, offering control and protection for vital equipment in the event of unforeseen incidents. This reduces the amount of downtime of machinery to enable operations to continue running smoothly.

Rated operating voltage 690Vac
Operating temperature range -25°C to +55°C
Temperature compensated range -5°C to +40°C
Adjustable current trip level, 0.6 – 1.0 x nominal rating
Short-circuit trip level (fixed) 14x nominal rating
Single-phase-failure sensitivity to IEC60947-4-1
Simple two-button operation for starting and stopping motors
May be locked in the "off" position

MPCBs are more critical now than ever. Most infrastructures now rely on a motor behind the scenes to power critical uninterruptible systems such as heating, ventilation and cooling. These circuit breaker systems are vital in ensuring business continues as usual, therefore must be protected against overcurrent's, thermal overloads and similar problems. To select the right MPCB, consider the systems you and your business rely upon. Checking the features and benefits of each MPCB will prove invaluable when deciding what critical infrastructure you wish to protect.

IEC (EN60) 947-1 general, 947-2 Circuit breakers, 1-4 switch disconnectors, 1-5 Motor starters, 1-6 Electrical equipment of machines

UL, CSA, LROS, GL

This motor protection circuit breaker is essential for the safe operation of motors in industrial environments. It provides effective protection with current ratings from 0.63 to 1A, safeguarding against overloads and short circuits. The three-pole configuration enhances adaptability for managing complex electrical systems.

• High breaking capacity of 50kA for dependable circuit protection
• Suitable for motors operating at 690V AC
• Push-button actuator makes operation straightforward
• Designed for quick installation on IEC/EN 60715 rails
• Phase failure sensitivity helps maintain motor efficiency
• Electrical lifespan of 50,000 operations minimises maintenance requirements

• Suitable for automated machinery
• Ideal for protecting small to medium-sized motors
• Utilised in various industrial machinery setups
• Effective for group installation, enhancing circuit protection

It features screw terminals for secure connections.

Yes, it is compatible with motors that meet the efficiency class IE3.

Yes, it can be mounted on top-hat rails, making it suitable for compact areas.

It operates efficiently within a temperature range of -25 to 55°C.

It has an operational capacity of 25 operations per hour.

Eaton formerly known as Moeller