Eaton PKZM01-25 Motor Protection Circuit Breaker 3-Pole 25A 288893

Motor protection circuit breakers are critical for preventing motor damage from overloads and short circuits. The Eaton PKZM01-25 is a 3-pole motor protection circuit breaker with adjustable thermal overload release and fixed magnetic short-circuit release, ensuring reliable protection for motors up to 25 A.

Who is it for

This device is intended for industrial electricians and panel builders who need to protect three-phase motors in machinery, pumps, fans, and other equipment. It is suitable for DIN rail or screw mounting in control cabinets.

Main features

• 3-pole motor protection circuit breaker
• Rated operational current: 25 A
• Adjustable thermal overload release: 20 - 25 A
• Fixed magnetic short-circuit release
• Rated operational voltage: 690 V AC
• Screw terminals for secure wiring
• Mounting: DIN rail or screw mounting
• Degree of protection: IP20
• Ambient operating temperature: -25 to +55 °C

Specifications

• Number of poles: 3
• Rated operational current (Ie): 25 A
• Overload release setting range: 20 - 25 A
• Rated operational voltage (Ue): 690 V AC
• Rated impulse withstand voltage (Uimp): 6 kV
• Rated short-circuit breaking capacity (Icu) at 400V: 50 kA
• Protection type: thermal and magnetic
• Mounting type: DIN rail / screw mounting
• Degree of protection: IP20
• Connection type: screw terminals
• Trip class: Class 10
• Ambient operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-2, IEC/EN 60947-4-1
• Short-circuit release type: fixed
• Thermal release type: adjustable
• Auxiliary contacts: no (add-on modules available)

Tips

When selecting a motor protection circuit breaker, ensure the overload setting range matches the motor's full-load current. The adjustable thermal release allows fine-tuning for specific motor characteristics. For additional functionality, auxiliary contact modules can be added to the PKZM01-25.