3RV2031-4KA10
Siemens SIRIUS 3RV2031-4KA10 S2 size motor protection circuit breaker, adjustable current 62…73A, Class 10 tripping characteristic, 690V insulation voltage, screw terminals, suitable for overload and short circuit protection of industrial three-phase motor circuits. Kenxin Motor provides genuine products with original factory authorization.
Product Positioning
The Siemens SIRIUS 3RV2031 series 3RV2031-4KA10 is an S2 size motor protection circuit breaker, specifically designed to provide dual protection against thermal overload and short circuit in three-phase motor circuits. Kensun Motors is an authorized distributor in Taiwan, providing genuine original products and complete technical support.
Core Product Advantages and Features
Adjustable current range 62…73A
The current setting range is 62…73A, and it adopts Class 10 tripping characteristics, allowing for precise adjustment of the protection threshold according to the actual rated current of the motor.
Dual protection against overload and short circuit
It features built-in thermal overload tripping and electromagnetic instantaneous short-circuit tripping mechanisms, providing two protection functions simultaneously with a single component.
S2 Compact Housing
It adopts the SIRIUS 3RV2 series S2 size housing, and can be matched with contactors of the same series to form a motor starter, saving panel space.
Screw terminal wiring
The screw terminal design allows for direct securing of wires with standard tools, making construction and maintenance convenient.
High breaking capacity design
It has a rated ultimate short-circuit breaking capacity of 65kA at 400V AC and 4kA at 690V AC, providing ample short-circuit protection margin.
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