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 reliable motor protection circuit breaker (MPCB) from Eaton offers protection from overload and short circuits while also acting as a motor on/off switch. It has a built-in isolator switch that lets you disconnect your equipment and perform maintenance safely. This multi-function device can tolerate currents of up to 60 kA, ensuring safety even in the event of a high-current surge. You'll find circuit breakers like this one used in automation applications, as well as process-control applications.

• Three poles for use with three-phase circuits
• Ingress protection rating of IP20 for protection against solid objects measuring 12 mm in size or smaller
• Wide operating temperature range of -25°C to +40°C for use in harsh environments

You should consider the current rating and voltage rating when selecting a MPCB. This Eaton MPCB is suitable for motors with a current rating between 1.6 A and 2.5 A and a supply voltage of 690 V AC, so it's a good choice for low-current, high-voltage applications.