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This is an A.C. immune, tractive armature, D.C. Neutral track relay designed for use in railway signalling D.C. track circuits in 50 Hz electrified traction areas. The contacts are Silver Impregnated Graphite to Silver. The relay conforms to BRS Spec.939A and 966 Appendix F2. Relay Railway Signals
The following table shows the available range:
Description of Relay Nominal Working Volts Contacts Coil Resistance at 20˚C ohms Operating current (mA) Minimum % release Interlocking code pin
        Min. Max.    
UTA2 1.4 2F.1B 9 10% 120 140 68 FGHKX

Contact layouts (Rear View)


Relay Style UTA2

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