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GE EX2100 gate pulse amplifier board (EHPA) that controls silicon-controlled rectifiers (SCRs) by amplifying gate pulses from the ESEL logic board and monitors SCR conduction. 24 VDC nominal input (10-30 VDC), operating range -40 to +70C.
GE Mark VI / EX2100 exciter gate pulse amplifier board (EHPA), revision G1AED, for excitation control.
GE EX2100 gate pulse amplifier board (EHPA) amplifying gate pulse signals for SCRs. Accepts six gate commands from the ESEL board; 125 V DC nominal from EPDM, with LEDs for power, gate commands, SCR output, bridge current, cooling fan and faults.
GE EX2100 gate pulse amplifier board (EHPA) managing gate pulse signals for SCRs. Accepts six gate command signals from the ESEL board; 125 V DC nominal from EPDM.