Siemens 0.9 → 1.25 A SIRIUS 3RV Motor Protection Circuit Breaker

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

UL, CSA

IEC947, VDE0990, EN60947

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.