Better World

Siemens 27 → 32 A SIRIUS 3RV Motor Protection Circuit Breaker, 690 V

Subtotal (1 unit)*

£120.60

(exc. VAT)

£144.72

(inc. VAT)

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  • 17 unit(s) ready to ship
  • Plus 7 unit(s) ready to ship from another location
  • Plus 11 unit(s) shipping from 07 November 2025
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Better World

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RS Stock No.:
706-1875
Distrelec Article No.:
304-02-180
Mfr. Part No.:
3RV2021-4EA10
Brand:
Siemens
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Brand

Siemens

Current Rating

27 → 32 A

Range

SIRIUS 3RV

Motor Protection Component

Circuit Breaker

Supply Voltage

690 V

Series

3RV2

Overall Length

97mm

Overall Width

45mm

Overall Depth

91mm

Minimum Operating Temperature

-20°C

Voltage Rating

690 V

Maximum Operating Temperature

+60°C

Terminal Type

Screw

Breaking Capacity

2 kA, 5 kA, 25 kA, 100 kA

Better World Claim

Extended product life, Low carbon manufacture

Better World Product

Yes

Number of Poles

3

Enclosure Type

Rectangular

Size

S0

COO (Country of Origin):
DE

Siemens Motor Protection Circuit Breaker, 30kW Operating Power, 3 Poles - SIRIUS Innovation Series - 3RV2021-4EA10


Worried about motor damage caused by excess current? Cut the risk out of the equation with this Siemens Class 10 motor protection circuit breaker. It protects your kit from electrical damage by breaking an attached circuit in response to dangerous current surges. Thanks to its wide operating temperature range between -20°C and +60°C, you can rely on it to function reliably in tough environments. You'll find this versatile component commonly used in offices and HVAC systems, as well as manufacturing plants.

Features & Benefits


• Wide operating humidity range between 10 and 95% RH for use in steamy conditions
• Adjustable current response value between 27 and 32A for wide functionality
• Compact size of 97 (H) x 45 (W) x 97mm (D), so it's a space-saving choice
• Can be mounted in any position to suit the needs of your setup

Can I use this MPCB in high-voltage electrical systems?


Yes, you can. As it has a wide operating voltage range between 20 and 690V, this unit is safe to use in high-voltage systems.

Does this unit withstand voltage surges?


Yes, it handles surges up to 6kV to boost electrical safety.

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