Eaton 044947 Three-Phase Busbar Block B3.1/4-PKZ0, 3-Pole, 4 Devices, 63A, 690V

When multiple motor starters need to be powered from a single three-phase supply, wiring each one individually creates clutter and increases installation time. The Eaton 044947 busbar block solves this by providing a compact, plug-in distribution solution for up to four PKZ0 motor protective circuit breakers.

Who is it for

This busbar block is intended for electrical panel builders and maintenance technicians who install or service motor control systems using Eaton PKZ0 circuit breakers. It simplifies power distribution in industrial control cabinets.

Main features

• Three-phase busbar block for direct plug-in connection to PKZ0 devices
• Supplies up to 4 motor protective circuit breakers from a single feed
• Rated operational current: 63 A
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Degree of protection: IP20
• Copper conductor material with insulating plastic housing
• Fork-type connection for secure busbar linking

Specifications

• Product type: Three-phase busbar block
• Number of poles: 3
• Number of devices: 4
• Compatibility: Eaton PKZ0 motor protective circuit breakers
• Mounting type: Direct plug-in to device terminals
• Standard compliance: IEC/EN 60947-1, IEC/EN 60947-4-1
• Application: Power distribution for multiple motor starters

Tips

Ensure that the total load current of all connected motor starters does not exceed 63 A. The busbar block is designed for use inside an enclosure with at least IP20 protection.