Siemens 3RV1986-3AP3 Motorized Spring Operating Mechanism

Core Performance & Industrial Application

The Siemens 3RV1986-3AP3 is a spring energy storage motorized operating mechanism for SIRIUS 3RV1.8 motor protection circuit breaker.

It realizes remote electric closing and opening control of the matched circuit breaker through motor drive and spring energy storage.

It has built-in auxiliary cam contacts to feed back breaker position status signal to PLC or control circuit.

It supports automatic spring charging after closing action, ready for the next switching operation.

It is installed as an accessory on the 3RV1.8 breaker and used for automatic power distribution and remote control cabinet.

It is widely used as spare replacement for low voltage motor protection and feeder control panels.

Technical Specifications

▶ Product type: Motorized spring energy store operating mechanism

▶ Brand: Siemens

▶ Model: 3RV1986-3AP3

▶ Compatible breaker: 3RV1.8 frame size

▶ Control voltage: 220 ~ 250 V AC/DC

▶ Function: Remote close, open, spring charging

▶ Mounting: Direct assembly on 3RV1.8 breaker

▶ Operating temperature: -25℃ ~ +70℃

▶ Protection rating: IP20 inside cabinet

▶ Feature: Spring stored energy, position auxiliary contact, remote control

▶ Country of origin: Italy

▶ Compliance: CE certification

Industry Applications

Applied in factory power distribution cabinets, water treatment and industrial motor control system spare replacement.

Note: Confirm matched circuit breaker frame size and control voltage before ordering