Eaton 222354 PKZM4-40 PKZM Manual Motor Starter 32-40A 20kW

The Eaton PKZM4-40 is a motor-protective circuit-breaker from the Moeller series PKZM4 range, designed to protect three-phase and single-phase motors against overload and short-circuit faults. It offers an adjustable current setting of Ir = 32 - 40 A with tripping class 10 A, safeguarding motors up to 30 HP at 460/480 V three-phase. Screw terminals with IP00 terminations ensure straightforward panel integration across a wide range of industrial applications.

Technical specifications:

• Model code: PKZM4-40
• Catalog number: 222354
• Manufacturer: Eaton
• EAN: 4015082223540
• Current setting range: Ir = 32 - 40 A
• Tripping characteristic: Overload class 10 A
• Short-circuit release: 620 A
• Actuator type: Turn button
• Terminations: Screw terminals, IP00
• Dimensions (WxHxD): 55 x 140 x 160 mm
• Weight: 1.136 kg
• Ambient operating temperature: -25 °C to +55 °C
• Ambient operating temperature (enclosed): -25 °C to +40 °C
• Ambient storage temperature: -40 °C to +80 °C
• Pollution degree: 3
• Operating frequency: 40 operations/h
• Mechanical lifespan: 30,000 operations
• Assigned motor power at 460/480 V, 60 Hz, 3-phase: 30 HP
• Assigned motor power at 230/240 V, 60 Hz, 1-phase: 7.5 HP
• Certifications: IEC/EN 60947-4-1, UL 60947-4-1, CSA-C22.2 No. 60947-4-1-14, VDE 0660, CE

Features and benefits:

• Phase-failure sensitivity per IEC/EN 60947-4-1 and VDE 0660 Part 102 protects motors against single-phasing damage
• Fixed short-circuit release at 620 A delivers consistent fault protection without field adjustment
• Wide ambient operating range of -25 °C to +55 °C suits demanding industrial environments
• Climatic proofing to IEC 60068-2-30 and IEC 60068-2-78 ensures reliable performance in humid conditions
• Mechanical lifespan of 30,000 operations reduces maintenance intervals in high-cycle applications
• Multiple global certifications (UL, CSA, CE, IEC/EN) support use in international installations

Applications:

• Direct-on-line motor starters for pumps, fans, and compressors
• Motor protection in industrial control panels and switchgear assemblies
• Machine tool and conveyor motor circuits requiring reliable overload protection
• HVAC systems with motors operating in damp or high-humidity environments
• Panel builder installations requiring globally certified motor protection

Compliant with IEC/EN 60947-4-1, UL 60947-4-1, and CSA-C22.2 No. 60947-4-1-14. Part of the Eaton Moeller series PKZM4 motor-protective circuit-breaker range.

Also known as: Eaton PKZM4-40, Eaton 222354, Eaton catalog 222354, Eaton model PKZM4-40, PKZM4 40A motor breaker.