Industrial PKZM0-4 Motor Protection Circuit Breaker

Description:

The Klockner Moeller PKZM0-4 Manual Motor Starter Protector is a thermal-magnetic motor protection circuit breaker designed to provide manual switching, overload protection, and short-circuit protection for three-phase motors. Commonly installed in conveyors, pumps, compressors, HVAC equipment, and industrial machinery requiring reliable motor protection and control. Maintenance teams and system integrators use this device for replacement, retrofit, and expansion of motor control systems to improve equipment safety and operational reliability. The PKZM0 series combines overload and short-circuit protection in a compact unit with high interrupting capacity.

Applications:

The Klockner Moeller PKZM0-4 is commonly used in industrial automation systems, machine tools, packaging equipment, and process control applications where motors require adjustable thermal and magnetic protection. Its compact DIN rail design and broad accessory range make it suitable for motor control centers, electrical panels, and OEM machinery operating in demanding industrial environments.

Technical Specifications:

• Manufacturer Part Number (MPN): PKZM0-4
• Product Type: Manual Motor Starter Protector (MMS)
• Manufacturer: Klockner Moeller / Eaton
• Series: PKZM0
• Current Adjustment Range: 2.5 to 4 A
• Number of Poles: 3
• Rated Operational Voltage: Up to 690 VAC
• Rated Operational Current (Ie): 4 A
• Motor Rating: 1.5 kW @ 400 VAC / 3 HP @ 575-600 VAC
• Protection Functions: Thermal Overload and Magnetic Short-Circuit Protection
• Short-Circuit Breaking Capacity: Up to 150 kA @ 400 VAC (with appropriate backup protection)
• Mounting Type: 35 mm DIN Rail or Panel Mount
• Terminal Type: Screw Clamp
• Application Environment: Industrial Motor Control Systems

Common Replacements:

• Eaton PKZM0-4 Motor Starter Protector
• Schneider Electric GV2ME08 Manual Motor Starter
• ABB MS116-4.0 Manual Motor Starter