Page 94 - Changeover switch
P. 94
94 ABB TRANSFER AND CHANGE-OVER SWITCHES
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Technical data
Compact automatic transfer switches
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Automatic transfer switches functionality
OTM_C_D products overview OTM_C20D_ OTM_C21D_
Time delays
Delay on transfer 1) 0-30s
Back-switching delay 0-900s
Generator stop delay 240s
Signals input and output
Emergency Off with 24VDC signal input x x
Test signal input x
Switch position signal With Auxiliary contacts Without Auxiliary contact
Alarm output signal x
Modbus RTU access 2) x
1) Overvoltage and undervoltage conditions
2) With Modbus RTU plug-in module
