Eaton Auxiliary Contact for Motor Protection Circuit Breaker 440 VAC (U-PKZ0(400V50HZ))

In industrial control panels, the Eaton auxiliary contact expands the functionality of PKZ0 motor protection circuit breakers by providing reliable status feedback and enabling remote control. This side-mounted module integrates directly with the breaker, giving operators a clear signal of the main contact position.

Key specifications

• Contact configuration: 1 normally open (NO) + 1 normally closed (NC)
• Rated operational voltage (Ue) AC: 690 V
• Rated operational voltage (Ue) DC: 220 V
• Rated operational current (Ie) AC-15 at 400 V: 3 A
• Rated operational current (Ie) DC-13 at 220 V: 1 A
• Connection type: screw terminals
• Terminal capacity (solid): 1 x (0.75 – 2.5) mm²
• Terminal capacity (flexible with ferrule): 1 x (0.75 – 1.5) mm²
• Degree of protection: IP20
• Standards compliance: IEC/EN 60947-5-1
• Operating temperature range: -25 to +60 °C
• Rated impulse withstand voltage (Uimp): 6 kV
• Rated insulation voltage (Ui): 690 V
• Short-circuit protective device (fuse): 6 A gG/gL

Why choose it

This auxiliary contact is engineered for seamless integration with Eaton PKZ0 motor protection circuit breakers, ensuring reliable switching and long service life in demanding industrial environments. Its dual contact configuration supports both monitoring and control tasks, while screw terminals provide secure and maintenance-friendly wiring.

Ideal use cases

• Status indication for motor protection circuit breakers in motor control centers
• Remote control and signaling in automated production lines
• Integration into safety circuits requiring auxiliary feedback

Good to know

The contact is side-mounted on the circuit breaker, saving space in the control cabinet. Its IP20 protection is suitable for installation in enclosed panels. The wide operating temperature range ensures performance in various industrial settings.