Siemens Copper SENTRON 5ST 1 Phase Busbar, 400 V ac, 18 mm Pitch

The image is for reference only, please refer to product details and specifications

View all Busbars
Bulk discount available

Subtotal (1 unit)*

HK$251.50

Add to Basket
Select or type quantity
Limited stock
  • Plus 71 left, shipping from 02 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 9HK$251.50
10 - 24HK$241.30
25 +HK$237.50

*price indicative

RS Stock No.:
521-5049
Mfr. Part No.:
5ST3731
Manufacturer:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Rated Operational Voltage

400 V ac

Product Type

Busbar

Range

SENTRON

Material

Copper

Electrical Phase

1

Standards/Approvals

CE, UKCA, EAC

Current Rating

63 A

Pitch

18mm

Series

5ST

COO (Country of Origin):
DE

Series 5ST3 7 Bus-Bar System


With pin connections

Cut-to-length bar

For 1 or 3-phase line protective switches of the series 5SJ6 and 5SY

No additional connection terminal required for stranded connection up to 35mm²

Excellent accessibility for feeder cable

50→90A load at infeed single-sided/in-centre for 10mm²; 65→120A for 16mm²

Pin type connection

Material: Cu (10mm²); 16mm² fully insulated

Lug spacing: 18mm

Siemens Distribution Boards & Accessories


Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used.

Standards

DIN 57606, DIN 57659

Related links