Spaj 140c relay manual

Data communication The relay is provided with a serial interface on the rear panel. The bus connection module type SPA-ZC 21 is powered from the host relay, whereas the bus connection module SPAZC 17 is provided with a built-in power unit, which can be fed from an external secured power source.

The relay communicates with higher-level data acquisition and control systems over the SPA bus. Self-supervision The relay incorporates a sophisticated selfsupervision system with auto-diagnosis, which increases the availability of the relay and the reliability of the system.

The selfsupervision system continuously monitors the hardware and the software of the relay. The system also supervises the operation of the auxiliary supply module and the voltages generated by the module. When a permanent internal relay fault is detected, the IRF indicator on the relay front panel is lit. At the same time the output relay of the self-supervision system operates and a fault message is transmitted to the higherlevel system over the serial bus.

Further, in most fault situations, a fault code is shown in the display of the protection relay module. The fault code indicates the type of the fault that has been detected. Auxiliary supply voltage The auxiliary supply of the relay is obtained from an internal plug-in type power supply module. Time multiplier k Reset time, typically Retardation time Reset ratio, typically Operate time accuracy at definite time mode Accuracy class index E at inverse time mode Operation accuracy.

The relay case for projecting mounting is provided with front connectors. When ordering, please specify: Ordering information 1. Type designation and quantity 2. Order number 3. Rated values 4. Auxiliary voltage 5.

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Explorar Revistas. Escolhas dos editores Todas as revistas. Explorar Podcasts Todos os podcasts. Explorar Documentos. Enviado por Nesarkiran Bagade. Denunciar este documento. Fazer o download agora mesmo. IET Wiring Regulations. Pesquisar no documento. The overcurrent and earthfault relays can also be used for other applica- tions requiring single-, two-, or three-phase overcurrent protection. Anderson Lima. John Alexander. Abhishek Rajput. Ayman Al Hasaar.

Miguel Galarza. Brian Burch. I need more information ABB Sales. Please fill in required fields. Show on map Hide map. Please select country from the list below. We have the ability to repair and calibrate many Reliance Spa1j40c units from many different Manufacturers.

There was a problem with your request. By staying here you are agreeing to our use of cookies. SPAJ C is used for the selective short-circuit and earth-fault protection of radial feeders. Go to myABB Logout. An error occurred and your inquiry could not be sent.

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This integrated protection relay includes an over-current unit and an earth-fault unit with flexible tripping and signalling facilities. All the items that we receive are evaluated first before determining the repairing price.

Thank you for the services given at the time of crisis. This combined over-current and earth-fault relay also includes a circuit-breaker failure protection avb.

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