Relé de presión de sellado Qualitrol 909
m-l Se recomienda para usar en transformadores medianos y grandes con un rango de voltaje típico de 138 kV to 345 kV 6 y más.
Para usarse con los relés de elevación rápida de presión series 900/910 de Qualitrol y otros instrumentos para mantener la alarma momentánea y los circuitos de disparo. El relé y el indicador LED permanecen activados hasta que se pulsa el botón de restablecimiento manual.
Features
- Elimina acciones problemáticas y momentáneas de los relés
- Eliminates the difficulty of controlling alarms and other peripheral devices with momentary or chattering contact signals
- Configurable for use varying applications
- One model configurable for either 48, 125, 250 VDC or 120, 240 VAC
- Mounting footprint and wiring is compatible with existing installations of similar devices
- Two independent relays provide simultaneous operation for control functions
- Corrosion resistant materials and rugged design provide a long service life
- Stainless steel cover protects components
- Printed circuit board provides high reliability
- Seal-in function controlled by solid state device
- Trip circuit contacts are protected by surge suppressor
- Wiring connections and jumper configurations are printed on shield
- Convenient jumper plug allows easy adaptability to various supply line voltage and current types
- Red LED indicates actuation of relay
- Yellow LED indicates a short in the switch or faulty wiring
Options
- Ambientes explosivos Clase 1/Protección División 2
Applications
For power transformers or any other applications which require a momentary contact signal to be maintained. Can be configured for use in AC or DC applications.