RS Better World

Siemens 40A SIRIUS 3RV2 Motor Protection Circuit Breaker, 20V, 690 V, 60 °C, -20 °C

Subtotal (1 unit)*

£418.54

(exc. VAT)

£502.25

(inc. VAT)

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  • Ready to ship from 29 May 2026
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1 +£418.54

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Better World

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RS Stock No.:
159-998
Mfr. Part No.:
3RV2142-4FA10
Brand:
Siemens
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Brand

Siemens

Current Rating

40A

Product Type

Motor Protection Circuit Breaker

Motor Protection Component

Circuit Breaker

Supply Voltage

20, 690V

Motor Protection System

3RV2

Series

SIRIUS 3RV2

Overall Length

165mm

Overall Width

90mm

IP Rating

IP20

Overall Depth

176mm

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

60°C

Standards/Approvals

DNV, EAC, EPD, IEC 61508, ISO 13849, LRS, PRS, RINA, RoHS, UKCA, UL, VDE, ABS, CCC, CE

Better World Claim

Extended Product Life, Low Carbon Manufacture

Number of Poles

3

Better World Product

Yes

The Siemens circuit breaker is designed for efficient motor protection, incorporating a thermal overload relay function that is suitable for various operational scenarios. Featuring a robust switching capacity of 100 kA, it ensures reliability and longevity, making it ideal for demanding applications. The device boasts a mechanical service life of approximately 25, 000 cycles, ensuring durability in high-use environments. Its compact design allows for easy installation on a DIN rail, offering flexibility in mounting options. With an operational current rated value of 40 A, this product is versatile enough to cater to a range of operational requirements while maintaining high safety standards.

Supports a wide installation altitude of up to 2, 000 metres

Facilitates easy maintenance thanks to its user-friendly design

Provides a significant breaking capacity for high short-circuit currents

Includes a finger-safe front protection class for added safety

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