Better World

Siemens 50 A SIRIUS Motor Protection Circuit Breaker, 20 → 690 V

Subtotal (1 unit)*

£396.30

(exc. VAT)

£475.56

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 17 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£396.30

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS Stock No.:
160-002
Mfr. Part No.:
3RV2142-4HA10
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Current Rating

50 A

Range

SIRIUS

Motor Protection Component

Circuit Breaker

Supply Voltage

20 → 690 V

Motor Protection System

3RV2

Better World Claim

Extended product life, Low carbon manufacture

Better World Product

Yes

COO (Country of Origin):
DE
The Siemens circuit breaker is expertly designed for motor protection, boasting enhanced overload relay functionality for optimal performance. Engineered to accommodate circuit breaker size S3, this robust device offers an impressive 100 kA switching capacity, ensuring reliable operation even under high-stress conditions. Its versatility extends to suitability for various motor configurations, allowing for seamless integration into existing systems. Users can rely on its dependable thermal overload release mechanism, enhanced safety features, and extensive electrical endurance, all backed ' reputation for quality and innovation. Whether in operation or during transit, this device is built to handle a wide range of environmental conditions, making it an essential component for any motor control system.

Robust performance with high breaking capacity
Adapts easily to various operational voltages
Protected with IP20 rating for safe handling
Extensive mechanical and electrical endurance for reliability
Efficient energy management with low power loss

Related links