The 3RV10 current limiting motor starter protector is commonly known as a motor protection switch, as they are used for switching and protecting induction motors. Seimens 3RV Manual Motor Starters are optimized for load feeders. The motor circuit breakers are compact and offer long term stability.

• Short-circuit protection
• For motor protection
• System protection
• Transformer protection
• Emergency Stop Switches
• Fuse Monitoring

3RV1 Motor Starter Protections are vulnerable to environmental factors such as dust and caustic vapours. As such, suitable enclosures are must be provided when operating in damp or dusty conditions.

Maximum rated current 100A (45kW @ 400V a.c.)
Rated operational voltage: 690V
Short-circuit proof to 50kA @ 400V a.c.
Maximum switching frequency; 15 operations/hour
Mechanical life; 10⁵ operations
Ambient temperature range; –20 to +60 ° C
Long term stability
Manual reset
Lockable in off position

IEC947, VDE0990, EN60947

UL, CSA

This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the alternative highlighted by the manufacturer. Alternatively, refer to the cross reference list in the Technical Reference section which highlights the upgrade path for your current generation of products.

This motor protection circuit breaker is designed to protect electric motors in industrial environments, preventing overcurrent and short circuit occurrences that could harm the equipment. With a current rating of 0.9A to 1.25A at a supply voltage of 690V, it plays a key role in efficient motor management systems. It combines dependability with effective performance, making it essential for automation and electrical professionals.

• Protects motors from overcurrent and short circuit incidents
• Accommodates a current range of 0.9A to 1.25A
• Facilitates easy installation with screw terminals
• Operates effectively in temperatures ranging from -20 to 60°C
• Integrates seamlessly with SIRIUS 3RV series systems

• Protects motors in manufacturing facilities
• Controls motor circuits within automation frameworks
• Used in machinery where consistent motor operation is critical
• Suited for systems requiring three-pole motor protection
• Suitable for environments experiencing varying temperature conditions

Ensure the power supply is disconnected prior to installation. Connect the screw terminals to the motor circuitry as per the provided guidelines.

It is designed for multiple motor applications

It offers essential protection against overcurrent and short circuits, contributing to the overall safety of motor operations.