Eaton PKZM0-6,3-T Motor Protective Circuit Breaker, 3-Pole, 4-6.3 A 088915

Protect motors from overload and short circuits with the Eaton PKZM0-6,3-T motor protective circuit breaker. This 3-pole thermal-magnetic breaker is designed for reliable protection of motors up to 6.3 A, ensuring operational safety and reducing downtime in industrial applications.

Who is it for

Electrical engineers, panel builders, and maintenance technicians who need a compact, DIN rail mountable motor protection solution for three-phase motors with rated currents between 4 and 6.3 A.

Main features

• Adjustable overload release from 4 to 6.3 A
• Fixed short-circuit release at approximately 14 x Iu
• High breaking capacity: 150 kA at 400 V AC
• Rated operational voltage up to 690 V AC
• Mounts on 35 mm DIN rail or with screw fixing
• IP20 protection on terminals

Specifications

• Number of poles: 3
• Overload release setting range: 4 - 6.3 A
• Short-circuit release: Fixed, approx. 14 x Iu
• 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 400V: 150 kA
• Short-circuit breaking capacity (Icu) at 690V: 30 kA
• Tripping characteristic: Thermal-magnetic
• Mounting type: DIN rail (35 mm) / Screw fixing
• Connection type: Screw terminals
• Degree of protection: IP20 (terminals)
• Operating temperature range: -25 to +55 °C
• Standard compliance: IEC/EN 60947-4-1, VDE 0660 Part 102
• Control element: Rotary handle

Tips

Set the overload release to the motor's rated current for optimal protection. Use auxiliary contacts (available separately) for remote signaling of breaker status.