3RV1902-1AB0 SIEMENS

The 3RV1902-1AB0 is an undervoltage release designed for Siemens circuit breakers, specifically sizes S00 through S3. This device provides a crucial safety function by automatically tripping the circuit breaker when the voltage drops below a predefined threshold. Operating at 24 V AC and 50 Hz, it ensures reliable performance in standard industrial power systems. The undervoltage release mechanism prevents unintended equipment restart after a voltage interruption, safeguarding machinery and personnel. It is easily integrated into compatible Siemens circuit breakers, offering a compact and efficient solution for enhanced protection. This module enhances the safety and reliability of electrical systems by preventing potentially hazardous situations caused by low voltage conditions. Its quick response time ensures that the circuit is promptly disconnected when a voltage drop is detected. The 3RV1902-1AB0 is essential for applications where maintaining a stable voltage supply is critical for safe operation. By adding this undervoltage release, users can significantly improve the overall safety and dependability of their electrical installations.