Eaton PKZM0-12-PI Motor Protection Circuit Breaker, 8-12 A, 3-Pole, Thermal-Magnetic, DIN Rail 199158

Protect motors from overload and short circuits with the Eaton PKZM0-12-PI motor protection circuit breaker. This 3-pole thermal-magnetic breaker offers an adjustable current range of 8 to 12 A, making it suitable for a variety of motor applications up to 690 V AC.

Who is it for

Electrical engineers, panel builders, and maintenance technicians who need reliable motor protection in industrial control panels and machine building.

Main features

• Adjustable thermal overload release from 8 to 12 A
• Fixed magnetic short-circuit release at approximately 14 x Ie max
• 3-pole design for three-phase motor protection
• Rated operational voltage up to 690 V AC
• Short-circuit breaking capacity of 50 kA at 400 V
• Mounts on standard 35 mm DIN rail
• Screw terminals for secure wiring
• Complies with IEC/EN 60947-4-1

Specifications

• Rated current setting range: 8 - 12 A
• Rated operational current (Ie): 12 A
• Number of poles: 3
• Rated operational voltage (Ue): up to 690 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Short-circuit breaking capacity (Icu) at 400 V: 50 kA
• Overload release: thermal, adjustable
• Short-circuit release: magnetic, fixed
• Mounting: DIN rail (35 mm)
• Connection: screw terminals
• Degree of protection (front): IP00
• Degree of protection (terminals): IP20
• Standard compliance: IEC/EN 60947-4-1
• Ambient operating temperature: -25 to +55 °C
• Power loss per pole: 4.2 W at Iu
• Tripping characteristic: thermal-magnetic
• Suitable for motor protection: yes

Tips

Select the appropriate current setting based on the motor's full-load current. Ensure proper wiring torque on screw terminals to maintain reliable connections.