Siemens 9 → 12 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 vital for maintaining the safety and reliability of electrical systems by preventing motor overload and short circuits. Designed for industrial use, it accommodates current ratings from 9 to 12 A and operates at a maximum supply voltage of 690V. This device plays a crucial role in protecting motor equipment, contributing to operational efficiency across various environments.

• Provides effective overload protection for motors
• Ensures short circuit protection to prevent equipment damage
• Compatible with a wide supply voltage of up to 690V
• Compact dimensions facilitate installation in crowded panels
• Utilises screw terminal connections for secure wiring

• Suitable for installation in manufacturing facilities
• Employed in automation and robotics systems
• Applied in HVAC systems to protect motor functionality

Optimal performance is maintained within the temperature range of -20 to 60°C.

Refer to the wiring diagram included with the product for proper installation.

Monitoring for any triggering of the circuit breaker indicates effective protection from overloads or short circuits.