3RV2031-4TB10

Model 3RV2031-4TB10, SIRIUS 3RV2031 series thermal-electromagnetic motor protection circuit breaker, current setting range 12–17A, spring terminal wiring, three-pole structure, conforms to IEC 60947-4-1 standard, suitable for general three-phase motor circuits.

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Siemens SIRIUS 3RV2031-4TB10 Motor Protection Circuit Breaker (Spring Terminal, 12–17A)

Product Positioning

The 3RV2031-4TB10 is a Siemens SIRIUS 3RV2031 series thermal-electromagnetic motor protection circuit breaker with a current adjustment range of 12–17A. It adopts a spring-loaded terminal wiring design and can provide dual protection against overload and short circuit for three-phase motors.

Core Product Advantages and Features

Adjustable current range: 12–17A

The rotary current setting has an adjustment range of 12–17A, allowing for precise setting of the trip value based on the actual rated current of the motor, thus avoiding insufficient protection margin or over-protection.

Thermal-magnetic dual trip protection

Built-in thermal overload element and electromagnetic instantaneous trip mechanism can simultaneously cope with long-term motor overload and short circuit faults, in compliance with IEC/EN 60947-4-1 standard.

Spring-loaded terminal quick-connect

The spring-loaded (screwless) terminal design securely clamps the wires after crimping, reducing wiring time and the risk of terminals coming loose after long-term use.

Standard DIN rail mounting

It conforms to the standard 35mm DIN rail size and can be directly installed in existing distribution boxes. It can also be combined with SIRIUS series contactors to form a complete motor starting circuit.

Rotating handle operation and test jump function

The panel features an ON/OFF rotary handle and clear trip indicators, and provides a test button for convenient periodic functional testing and maintenance.

project	Specification
Product Type	Heat accumulation electromagnetic motor protection circuit breaker (MPCB)
Product Series	SIRIUS 3RV2031
Frame size	S2
Current setting range	12–17A
Extreme number	3P (Triple Pole)
Terminal type	Spring-type terminals
Rated operating voltage	690V AC
Short circuit breaking capacity	4kA (690V)
Protection level	IP20
Applicable Standards	IEC/EN 60947-4-1, DIN VDE 0660
Installation method	35mm standard DIN rail
Operation method	Rotate the handle ON/OFF; includes a jump indicator and a test jump button.

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