Eaton PKZM0-0.63-SP Motor Protection Circuit Breaker, 0.4-0.63 A, 3-Pole 199180

In industrial control panels, the Eaton PKZM0-0.63-SP motor protection circuit breaker safeguards small three-phase motors against overload and short-circuit currents. It is a compact, DIN-rail mountable device with a rated current range of 0.4 to 0.63 A, suitable for motor protection in machinery and equipment.

Key specifications

• Rated current range: 0.4 - 0.63 A
• Number of poles: 3
• Rated operational voltage: up to 690 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Rated ultimate short-circuit breaking capacity (Icu) at 400 V: 50 kA
• Rated service short-circuit breaking capacity (Ics) at 400 V: 50 kA
• Tripping characteristic: thermal-magnetic
• Short-circuit release setting: fixed, approx. 14 x Iu
• Mounting type: DIN rail (35 mm) or screw fixing
• Connection type: screw terminals
• Degree of protection: IP20 (terminals), IP00 (front plate)
• Ambient operating temperature: -25 to +55 °C
• Standard compliance: IEC/EN 60947-4-1, IEC/EN 60947-2

Why choose it

The PKZM0-0.63-SP provides reliable motor protection with a high breaking capacity and a wide setting range. Its compact design saves space in control cabinets, and the thermal-magnetic trip unit ensures precise overload and short-circuit protection.

Ideal use cases

• Protection of small three-phase motors in industrial machinery
• Motor starters in control panels
• Applications requiring DIN-rail mounting and screw terminals

Good to know

The device supports optional auxiliary contacts for status signaling. It complies with international standards for motor protection circuit breakers.