Eaton's reliable and robust motor protection circuit breakers are the perfect solution for your motor protection needs, providing protection from electrical faults such as an overload of high voltages, short circuits or relay shutdowns.

Down-time of machinery can be detrimental to a business and its operations, Eaton's PKZM0 motor protection range of circuit breakers has been created and designed to act as an intermediary between your devices, protecting vital equipment in the event of unforeseen incidents. This reduces the amount of downtime of machinery to enable operations to continue running smoothly.

The PKZM0 motor protection circuit breakers are matched to the DIL contactor series making the ideal configuration or motor starter combinations. This motor protection range of circuit breakers has a short circuit breaking capacity rated to 150 kA up to 12 A and 50kA up to 32 A. Accessories including auxiliary contacts, trip indicating auxiliary contacts, voltage release and shunt trips can be installed without tools and greatly reduce installation time.

• Manually-actuated motor protective circuit breaker
• Rotating handle with clear switch position (ON and OFF)
• DIN-rail mounting
• Forms part of the xStart family of control gear products
• Rated operating voltage 690Vac
• Typical motor protection accessories – Shunt release 492-1709 & 492-1715, lockable rotary handle 244-0113

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 systems are vital in ensuring business continues as usual, therefore must be protected against overcurrent's, thermal overloads and similar problems.

This versatile circuit breaker from Eaton is designed to protect motors from overload and short circuits while also functioning as an on/off switch. The all-in-one solution offers protection to motors with a current rating of up to 1 A. Its high breaking capacity of 60 kA ensures that you and your equipment will remain safe in the event of a surge of high current. You can use this device for a range of applications, such as automation or process-control engineering.

• Isolator switch for safe and simple maintenance
• Three poles to maximise range of protection
• High supply voltage of 690 V AC for use in demanding applications
• Broad operating temperature range of -25°C to +40°C makes it suitable for use in harsh industrial environments
• Compact dimensions of 93 (length) x 45 (width) x 76 mm (depth) for installation in tight spaces

Overloading happens when a motor overheats and draws a higher current. This can be caused by jams and frequent starts, as well as a starting time that's too long.