PKZM0-4 Eaton Moeller Motor-Protective Circuit Breaker, 2.5-4A

PKZM0-4 Eaton Moeller Motor-Protective Circuit Breaker, 2.5-4A

PKZM0-4 combines manual switching with adjustable motor overload and fixed magnetic short-circuit protection in a 45 mm wide body.

Set the overload dial within 2.5 to 4A and verify the motor, voltage, coordination, and upstream protection requirements for the installation.

Common Applications

• Protecting motors with full-load current inside the 2.5 to 4A setting band
• Adding manual disconnect and motor protection at a machine panel
• Using a phase-failure-sensitive breaker in a three-phase motor circuit

Key Features

• Field adjustment: Rotary setting covers 2.5 through 4A
• Trip behavior: Class 10A overload response with thermomagnetic switching
• Mounting: Snaps onto 7.5 or 15 mm IEC/EN 60715 rail
• Terminal arrangement: Three-pole screw connection

Specifications

• Current setting: 2.5 through 4A
• Nominal current: 4A
• Pole count: 3
• AC-3 power: 1.5 kW at 380/400V, 50 Hz
• Operational voltage: 690V
• Protection rating: IP20 body, IP00 terminals
• Device size: 76 x 45 x 93 mm
• Mass: 0.284 kg

Product Identification

• Model code: PKZM0-4
• Eaton catalog number: 072737
• Manufacturer: Eaton
• Product family: Moeller series PKZM0
• EAN: 4015080727378

FAQ

Which motors fall within the adjustment range?

The breaker setting covers motor current from 2.5 through 4A, subject to the complete application ratings.

Does PKZM0-4 detect phase loss?

Yes. Eaton documents phase-failure sensitivity for this model.

What trip class applies?

The overload trigger is classified as Class 10A.

Can it mount on DIN rail?

Yes. Eaton specifies mounting on IEC/EN 60715 top-hat rail in 7.5 or 15 mm height.

Which catalog identifier accompanies the model code?

Eaton maps model PKZM0-4 to catalog number 072737 and EAN 4015080727378.