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Siemens 14 → 20 A SIRIUS 3RV Motor Protection Circuit Breaker

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£91.71

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£110.05

(inc. VAT)

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RS Stock No.:
203-4012
Distrelec Article No.:
303-97-075
Mfr. Part No.:
3RV2021-4BA15
Brand:
Siemens
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Brand

Siemens

Current Rating

14 → 20 A

Range

SIRIUS 3RV

Motor Protection Component

Circuit Breaker

Series

3RV2

Better World Claim

Extended product life, Low carbon manufacture

Better World Product

Yes

COO (Country of Origin):
DE

Siemens 3RV2 Series Motor Protection Circuit Breaker, 14 to 20A, 20 to 690V Supply Voltage - 3RV2021-4BA15


This circuit breaker is engineered for industrial motors, offering protection against overloads and short circuits to ensure safe performance in diverse electrical conditions. With a current range of 14 to 20A, it serves various applications in automation, electronics, and mechanical sectors.

Features & Benefits


• Provides thermal overload protection for motor applications
• Achieves energy efficiency with low power loss of 10.5W
• High breaking capacity of up to 4kA
• Accommodates a voltage range from 20 to 690V
• Easy integration through screw-type terminal connections
• Functions effectively in ambient temperatures from -20 to +60°C

Applications


• Protects three-phase motors in industrial environments
• Suitable for various motor sizes in conjunction with contactors
• Ideal for three-pole configuration applications
• Operates reliably in settings with temperature variations

How it can be install this device in my current setup?


Installation requires mounting on a 35mm DIN rail using screw and snap-on methods.

What maintenance is needed for this circuit breaker?


Regular inspections for wear, mechanical integrity, and electrical connections are advised.

Can this product withstand high surge voltages?


Yes, it has a surge voltage resistance of 6kV, ensuring dependability in varying conditions.

Is it compatible with different auxiliary switches?


Yes, it is compatible with transverse auxiliary switches for enhanced functionality.

What occurs in the event of a short circuit?


The device features integrated short circuit protection to safely disconnect in such scenarios.

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