Eaton NHI12-PKZ0 Auxiliary Contact Block, 1NO+2NC, Side-Mount for PKZ0/PKE, White 072895

With a rated insulation voltage of 690 V and a 6 kV impulse withstand rating, the Eaton NHI12-PKZ0 auxiliary contact block delivers dependable signal and control functionality in demanding motor protection circuits. This side-mounted module integrates seamlessly with Eaton PKZ0 and PKE motor-protective circuit breakers, expanding their capabilities without compromising panel space.

Overview

The NHI12-PKZ0 provides one normally open (NO) and two normally closed (NC) contacts, enabling precise status indication, interlocking, and control tasks. Its screw terminals ensure secure, vibration-resistant wiring, while the IP20 degree of protection suits installation within enclosed control panels. The compact design—measuring just 9 mm in width, 67.3 mm in height, and 94.6 mm in depth—allows efficient use of DIN rail real estate.

What stands out

• Three auxiliary contacts (1NO+2NC) for versatile signaling and control logic.
• High electrical ratings: 6 A at 230 V AC-15, 3 A at 400 V AC-15, and 1 A at 220 V DC-13.
• Wide operating temperature range from -25 °C to 55 °C, suitable for challenging environments.
• Tool-free side mounting onto PKZ0 and PKE breakers for fast installation and retrofit.
• Compliant with IEC/EN 60947-5-1, ensuring global acceptance and reliability.

Technical details

• Product type: Auxiliary contact block
• Contact configuration: 1 NO + 2 NC
• Number of poles: 3
• Mounting: Side-mounted on compatible circuit breakers
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Rated operational current AC-15 at 230 V: 6 A
• Rated operational current AC-15 at 400 V: 3 A
• Rated operational current DC-13 at 220 V: 1 A
• Degree of protection: IP20
• Terminal type: Screw terminals
• Operating temperature: -25 °C to 55 °C
• Storage temperature: -40 °C to 80 °C
• Color: White
• Standards: IEC/EN 60947-5-1

Our verdict

A robust and space-efficient auxiliary contact solution, the NHI12-PKZ0 enhances Eaton motor-protective circuit breakers with reliable signal contacts, making it an essential accessory for modern motor control centers.