Siemens Auxiliary Switch - 10A Maximum Current

View all Isolator Switches

Subtotal (1 unit)*

£46.81

(exc. VAT)

£56.17

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 20 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£46.81

*price indicative

RS Stock No.:
158-071
Mfr. Part No.:
3VA9978-0AA21
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Maximum Current

10A

COO (Country of Origin):
RS
The Siemens leading changeover switch is designed to provide reliable operation with a thermal current of 10 A and operational current capacities across various AC and DC configurations. It supports operating voltages up to 600 V for AC and 250 V for DC, ensuring versatility in demanding environments. Additionally, it features a surge voltage resistance of 4 kV, enhancing its durability and performance in industrial applications.

Complies with overvoltage category III for safety
Tight connection range from 0.75 to 2.5 mm²
Screw-type terminals enable simple, effective installation
20 ms lead time ensures swift transitions
Includes environmental confirmations for regulatory compliance

Related links