3RV2031-4XB10

Siemens 3RV2031-4XB10 Class 20 Motor Protection Circuit Breaker
Siemens 3RV2031-4XB10 Class 20 Motor Protection Circuit Breaker

Siemens SIRIUS 3RV2031-4XB10, S2 housing, Class 20 trip rating, 49...59A overload adjustment, instantaneous trip 845A, standard screw terminal model without built-in auxiliary contacts.

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Siemens 3RV2031-4XB10 Class 20 Motor Protection Circuit Breaker
Product Positioning

The 3RV2031-4XB10 is a SIRIUS 3RV2031 series S2 frame model, designed with a Class 20 skip rating and an adjustable overload current of 49...59A, which allows for a longer motor start-up time compared to typical Class 10 models.

Core Product Advantages and Features
Class 20 Breakthrough Level
The tripping time is longer than that of Class 10, making it suitable for loads with high starting current and long start-up time, reducing the chance of false tripping during startup.
Overload current adjustable from 49 to 59A
The overload trip current can be set by a knob, corresponding to motor loads in the range of 49 to 59 amps.
Transient short circuit trips 845A
In the event of a short circuit fault, the circuit can be quickly disconnected when the instantaneous trip current reaches 845A, protecting the motor and the wiring.
S2 housing screw terminal
It shares the same shape and installation method as the S2 frame model in the same series, which facilitates the standardized design of the distribution panel.
project Specification
Instantaneous short-circuit trip current (N-release) 845A
Overload adjustment current range (A-release) 49...59A
Break away from level Class 20
Short-circuit breaking capacity Icu 100kA(240V)/65kA(400V)/8kA(500V)/4kA(690V)
Operating short-circuit breaking capacity Ics 100kA(240V)/30kA(400V)/4kA(500V)/2kA(690V)
Built-in auxiliary contacts None (Standard type)
Frame size S2
Extreme number 3P
Rated insulation voltage AC 690V
Applicable power supply voltage range AC 20...690V
Terminal type Screw terminals
Available wire diameter 2x (1...35mm²) or 1x (1...50mm²)
Protection level IP20
External dimensions (height x width x depth) 140 x 55 x 149 mm

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