3RV2021-1HA15

The 3RV2021-1HA15 is a Siemens SIRIUS 3RV2021 S0 series motor starting protection circuit breaker with a current range of 5.5~8A, a rated current of 8A, three-pole screw terminals, dual protection against thermal overload and short circuit, Class 10 tripping, and is suitable for three-phase motor circuit protection.

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Siemens 3RV2021-1HA15 SIRIUS 3RV2021 Motor Starting Protection Circuit Breaker

Product Positioning

The 3RV2021-1HA15 is a Siemens SIRIUS 3RV2021 series S0 case motor starting protection circuit breaker with a current setting range of 5.5~8A, suitable for overload and short circuit protection of three-phase induction motor circuits.

Core Product Advantages and Features

Precise current setting

The thermal overload current can be adjusted by a knob within the range of 5.5~8A to meet the motor's rated current of 8A and reduce the chance of false tripping.

Dual protection mechanism

With dual protection of thermal overload and short-circuit magnetic trip, the power supply can be disconnected immediately in case of motor overload, stall, or phase-to-phase short circuit.

S0 compact housing design

It adopts the SIRIUS 3RV2 series S0 standard housing, which can be directly installed on a 35mm DIN rail. The panel width is only 45mm, saving space in the distribution box.

project	Specification
model	3RV2021-1HA15
Product Category	SIRIUS 3RV2 S0 Motor Starting Protection Circuit Breaker
Current setting range	5.5~8A A
Rated operating current Ie	8 A
Extreme number	3 poles
Casing size	S0
Terminal type	Screw terminals
breakaway characteristics	Class 10
Rated insulation voltage Ui	690 V
Protection level	IP20
Applicable Standards	IEC/EN 60947-4-1

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