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The 7SR242 is used as a protection, control and monitoring relay for two winding transformers of all vector groups, primary configurations/connections and This manual is applicable to the following relays: • 7SR242 Multi-Function 2-Winding Transformer Protection Relay The 7SR242 relay integrates the protection and Table 2-1 Relay Summary of 7SR24 Relay Configurations Current Inputs 7SR2422 7SR2423 8 8 Voltage Inputs 1 1 Binary Inputs 9 19 Output Relays 6 14 16 24 E8 Multi-Function 2-Winding Transformer Protection Relay. Document Release History This manual is applicable to the following relays: 7SR2422, E8 case. 7SR2422-2NA41-0BA0 DUOBIAS-M (2 WINDING) TRANSFORMER DIFFERENTIAL RELAY E8 CASE, 6CT, 2EF/REF CT, 1VT, 9 BINARY INPUTS/ 6 BINARY OUTP. View and Download Siemens 7SR242 Duobias technical manual online. Transformer Protection Relay. 7SR242 Duobias protection device pdf manual download. Current Voltage Binary Output. Relay LEDs Case Inputs Inputs Inputs Relays. 7SR2422 8 1 9 6 16 E8. 7SR2423 8 1 19 14 24 E10. 7SR2424 8 1 39 14 32 E12This manual is applicable to the following relays: •. 7SR242 Multi-Function 2-Winding Transformer Protection Relay. The 7SR242 relay integrates the This manual is applicable to the following relays: •. 7SR242 Multi-Function 2-Winding Transformer Protection Relay. The 7SR242 relay integrates the