Eaton PKZM0-4-SPI16 Motor Protection Circuit Breaker, 3-Pole, 10-16 A, 690 V AC 199184

In industrial control panels, the Eaton PKZM0-4-SPI16 protects three-phase motors up to 16 A from overloads and short circuits. This motor protection circuit breaker combines a thermal overload release adjustable from 10 A to 16 A with a fixed magnetic short-circuit release, ensuring reliable protection for motor feeders. Its compact 45 mm width and DIN rail mounting make it suitable for space-saving installations in machine building and panel building.

Key specifications

• Rated operational current: 16 A
• Overload release setting range: 10 - 16 A
• Number of poles: 3
• Rated operational voltage: up to 690 V AC
• Short-circuit breaking capacity at 400 V AC: 50 kA
• Short-circuit release type: magnetic, fixed at approximately 14 x Ie
• Connection type: screw terminals
• Mounting: DIN rail or screw mounting
• Degree of protection: IP20 (terminals), IP00 (front)
• Ambient operating temperature: -25 to +55 °C

Why choose it

The PKZM0-4-SPI16 offers precise motor protection with a wide adjustment range, high breaking capacity, and compliance with international standards. Its rotary knob allows easy setting of the overload release, and the device is designed for reliable operation in demanding industrial environments.

Ideal use cases

• Protection of three-phase motors in industrial machinery
• Motor feeders in control panels and distribution boards
• Applications requiring adjustable overload protection up to 16 A

Good to know

The device is suitable for use in circuits up to 690 V AC and provides phase-failure sensitivity according to IEC/EN 60947-4-1. It can be combined with auxiliary contacts and other accessories from the PKZM0 range.