The JVM-1 Three-Phase Voltage Monitor is designed for monitoring phase conditions in AC 380V three-phase electrical systems. It provides phase failure and phase sequence monitoring to help protect motors, machinery and electrical control equipment from abnormal three-phase supply conditions.
The JVM-1 Voltage Monitor provides continuous supervision of three-phase AC power systems and is designed to detect abnormal phase conditions such as phase failure and incorrect phase sequence. With a rated voltage of Three Phase AC 380V, 50/60Hz frequency compatibility and a mechanical life of up to 1,000,000 operations, the JVM-1 is suitable for industrial electrical control applications requiring dependable phase monitoring. Its compact relay-style construction allows integration into electrical control circuits, motor control systems and industrial equipment where correct three-phase power conditions are important for stable operation.
Main Features
Designed for three-phase AC 380V systems
Phase failure monitoring
Phase sequence monitoring
Rated voltage: Three Phase AC 380V
Frequency: 50/60Hz
Mechanical life: 1 × 1,000,000 operations
Ambient operating temperature: −10°C to +55°C
Compact design for electrical control systems
Suitable for industrial three-phase equipment
Simple integration into control and protection circuits
Applications
Three-Phase Motor Control Systems The JVM-1 can monitor the incoming three-phase supply of motor control circuits and help prevent equipment operation when a phase is lost or the phase sequence is incorrect. Industrial Machinery Suitable for manufacturing machinery and production equipment that rely on correct three-phase power conditions for reliable operation. Pumps and Compressors The JVM-1 can be used in three-phase pump and compressor control systems to monitor phase conditions before or during equipment operation. Electrical Control Panels It can be integrated into industrial control panels where centralized monitoring of three-phase power supply conditions is required. HVAC Equipment Suitable for three-phase fans, pumps, compressors and other HVAC equipment where phase failure or incorrect phase sequence may affect normal operation. Industrial Automation Systems The JVM-1 can be incorporated into automation and equipment control circuits to provide phase-condition monitoring for three-phase electrical loads. The JVM-1 Three-Phase Voltage Monitor provides a practical solution for phase failure and phase sequence monitoring in AC 380V systems, helping improve the reliability of motors, machinery and industrial electrical equipment.