Siemens SENTRON 3 Phase Busbar, 18mm Pitch

Image representative of range

View all Busbars

Subtotal (1 unit)*

£56.91

(exc. VAT)

£68.29

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 4 unit(s) ready to ship from another location
  • Plus 20 unit(s) shipping from 04 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£56.91

*price indicative

RS Stock No.:
521-5055
Mfr. Part No.:
5ST3740
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Material

Copper

Range

SENTRON

Electrical Phase

3

Series

5ST

Current Rating

63A

Pitch

18mm

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

Standards

DIN 57606, DIN 57659

Standards

DIN 57606, DIN 57659


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.

Related links