SIEMENS Pin Busbar 4x3-Phase 5ST3645, 12 Modules, 63 A, 400 V, 10 mm², Fully Insulated

With a rated current of 63 A and a short-circuit current rating of 10 kA, the SIEMENS 5ST3645 pin busbar delivers reliable power distribution for 3-phase modular installations. This 4-pole busbar spans 12 modules (TE) and is fully insulated for safe handling.

Overview

The SIEMENS 5ST3645 is a 4-pole pin busbar designed for 3-phase distribution in electrical installations. It connects modular devices with pin terminals, such as miniature circuit breakers (MCBs) and residual current circuit breakers (RCCBs). The busbar is fully insulated and features a compact, space-saving design for DIN rail mounting.

What stands out

• Rated current 63 A and rated voltage 400 V AC
• 4-pole (L1, L2, L3, N) with 12 connections
• Conductor cross-section 10 mm², copper conductor with plastic insulation
• Pitch 17.5 mm for standard module spacing
• Complies with IEC 60947-7-1

Technical details

• Type: Pin busbar (fork type)
• Number of poles: 4
• Number of phases: 3 (L1, L2, L3, N)
• Number of modules: 12
• Rated current (In): 63 A
• Rated voltage (Ue): 400 V AC
• Conductor cross-section: 10 mm²
• Insulation: Fully insulated
• Connection type: Pin
• Short-circuit current rating (Icw): 10 kA
• Pitch: 17.5 mm
• Mounting: For DIN rail devices
• Standard compliance: IEC 60947-7-1
• Application: Power distribution in electrical installations
• Design: Compact, space-saving

Our verdict

A robust and safe solution for 3-phase power distribution in modular installations, offering high current capacity and full insulation.