Procurement Zone

The Siemens 3RV2431-4PA10 is an S2 size three-pole circuit breaker with an A-operation overload range of 28...36A and a N-operation short-circuit trip fixed at 820A. It is suitable for short-circuit and overload protection on the primary side of transformers, and features screw terminal mounting. It can be equipped with auxiliary contact modules to expand signal feedback.

The Siemens 3RV2431-4EA10 is a SIRIUS 3RV2 S2 size transformer protection circuit breaker. Its A-operation overload range is 22...32A, and its N-operation short-circuit trip is 640A. It features a three-pole screw terminal design, weighs approximately 1.056 kg, and is suitable for primary circuit protection of medium-capacity transformers.

The Siemens 3RV2431-4DA10 is an S2 size three-pole circuit breaker with an A-operation overload range of 18...25A, a N-operation short-circuit trip fixed 512A, a rated current of 25A, screw terminal mounting, and is suitable for overload and short-circuit protection of the primary circuit of small transformers.

The Siemens 3RV2431-4BA10 is an S2-size transformer protection circuit breaker with an A-operation overload range of 13...20A and a N-operation short-circuit trip fixed at 325A. It features a three-pole screw terminal structure and is the model with the lower current range in the 3RV2431 series.

The Siemens 3RV2421-4DA15 is an S0 size three-pole circuit breaker with an A-operation overload range of 18...25A and a built-in auxiliary switch for easy status feedback. It has a 400V breaking capacity of 55kA and is suitable for overload and short-circuit protection of small transformer circuits.

The Siemens 3RV2421-4CA20 is an S0 size three-pole circuit breaker with an A-operation overload range of 17...22A, a N-operation short-circuit trip fixed 364A, a rated current of 22A, a 400V breaking capacity of 55kA, and is suitable for the protection of small transformer circuits.

The Siemens 3RV2421-4CA10 is an S0 size three-pole circuit breaker with an A-operation overload range of 16...22A and a N-operation short-circuit trip fixed range of 364A. It weighs 0.375 kg, is screw-terminal mounted, and is suitable for primary side protection of small transformers.

The Siemens 3RV2421-4BA10 is an S0 size three-pole circuit breaker with an A-operation overload range of 13...20A, a N-operation short-circuit trip fixed at 325A, a rated current of 20A, and external dimensions of approximately 45×97×97mm. It is suitable for small transformer circuits.

The Siemens 3RV2421-4AA16 is an S0 size three-pole circuit breaker with the same current classification as the 4AA15 in the same series (A-operation approximately 10...16A). It is one of the models with the lowest current range among the 3RV2421 transformer protection models.

The Siemens 3RV2421-4AA15 is an S0 size three-pole circuit breaker with an A-operation overload range of 10...16A and a N-operation short-circuit trip fixed at 286A. It has one set of normally open and one set of normally closed auxiliary switches, weighs 0.375 kg, and is suitable for the protection of small transformer circuits.

SIRIUS 3RV2421-4AA10, S0 chassis thermal-magnetic circuit breaker, thermal overload adjustment range 10-16A, instantaneous short circuit trip 286A, screw terminals, DIN rail mounting, original factory marking as transformer protection specification, made in Germany.

SIRIUS 3RV2421-1KA10, S0 chassis circuit breaker, thermal overload adjustment range 9-12.5A, instantaneous short circuit trip 260A, Icu (400V) 100kA, screw terminals, original factory marking as transformer protection specification.

SIRIUS 3RV2421-1HA10, S0 chassis thermal-magnetic circuit breaker, rated current approximately 8A, 3-pole, screw terminals, DIN rail mounting, IP20 protection, original factory marking as transformer protection specification, made in Germany.

SIRIUS 3RV2421-1CA10, S0 chassis circuit breaker, thermal overload adjustment range 1.8-2.5A, instantaneous short circuit trip 52A, Icu (400V) 100kA, screw terminals, original factory marking as transformer protection specification.

SIRIUS 3RV2411-4AA20, S00 chassis thermal-magnetic circuit breaker, thermal overload adjustment range 10-16A, 3-pole, screw terminals, DIN rail mounting, original factory marking as transformer protection specification, made in Germany.