The recommended minimum earth wire size is 25mm2 unless otherwise stated in the technical data section of the product documentation. The operating current for all versions is in excess of 0025 ampand the relays are suitable for operation on dc supplies fitted with a negative potential biasing device.
Alstom Circuit Breaker Manual
Mvaj relay wiring diagram. This relay may be used for example for intertripping between the higher voltage and lower voltage circuit breakers of a large three phase power transformer. Mvaj 05x10x20x trip relays. The 40 60ms time delay ensures reliable operation of series elements such as type mcaa repeat relays. Mvaj 051020 tripping and control relays. Mvaj 11 to 34 ˇˆ ˆ ˇ ˇˆ. Mvaj 11 17 21 26 41 and 51 17.
The mvaj relay interfaces the protection relay with the circuit breaker to provide the higher. Overload relay 1ct m m motor 3ct to 120 v separate control ot is a switch that opens when an overtemperature condition exists type mfo and mgo only t1 t3 motor 3 2 l2 t2 l3 t3 t2 l1 1 t1 13. Use of supervision relays such as type mvax 11 where the wiring is at risk. Before energising the equipment the following should be checked. The types mvaj 26 and 56 relays have been specially designed for applications requiring a tripping relay which is self resetting after a nominal delay of 2 seconds. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u.
03202020 808k hello would you like us to contact you regarding mvaj 05x10x20x trip relays. High burden relays are recommended. Immunity to wiring capacitance discharge high speed tripping relays vajh vajs vajhm where supervision of trip relay coil is desired. Contact me contact information. 54 relays fail to economise.
Gallery of Mvaj Relay Wiring Diagram
