3RV2021-4BA10

The SIRIUS 3RV2021-4BA10 is a Siemens S0 case three-pole motor protection circuit breaker. It has an adjustable overload current range of 14-20A, a rated current of 20A, an instantaneous short-circuit trip current of approximately 260A, a rated insulation voltage of 690V, a screw terminal design, and a mechanical life of 100,000 cycles. It is suitable for various three-phase motor circuit protection applications.

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Siemens SIRIUS 3RV2021-4BA10 Motor Protection Circuit Breaker 14-20A

Product Positioning

The SIRIUS 3RV2021-4BA10 is a Siemens S0 case motor protection circuit breaker with an adjustable overload current range of 14-20A. It is a commonly used three-phase motor protection component in production lines.

Core Product Advantages and Features

Adjustable current range 14-20A

The knob scale can be finely adjusted according to the actual rated current of the motor to reduce the trip value, taking into account both protection and operating rate.

Transient short circuit trip approximately 260A

It can quickly and instantaneously disconnect when a short circuit occurs, reducing the risk of damage to circuit components.

Screw terminal wiring design

The wiring is robust and reliable, suitable for the wiring needs of industrial control panels that operate for extended periods.

Mechanical life 100,000 cycles

It has excellent durability, reducing the frequency of maintenance and replacement in situations requiring frequent opening and closing.

project	Specification
model	3RV2021-4BA10
Casing size	S0
Extreme number	3 poles
Overload current adjustable range	14-20 A
Rated current	20 A
Instantaneous trip current (N-release)	Approximately 260 A
Rated insulation voltage	690 V AC
Terminal block type	Screw terminals
Break away from level	Class 10
Protection level	IP20
Mechanical/Electrical Life	100,000 times

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