3.1 Main Circuit Wiring3-73 Wiring and Connection Single-phase 100 V, SGDV-F Three-phase 200 V, SGDV-A∗ For SGDV-R70A, -R90A, -1R6A, -2R8A terminals B2 and B3 are not short-circuited at shipment.1PL: Indicator lamp1SA: Surge absorber2SA: Surge absorber3SA: Surge absorber1D: Flywheel diode1QF: Molded-case circuit breakerFIL: Noise filter1KM: Magnetic contactor (for control power supply)2KM: Magnetic contactor (for main power supply)1Ry: RelayL1ENCSERVOPACKSGDV-FUVWM0 V1RyALM+ALM−34 1D2KM1KMB2L2CN11QFR TFIL+24 VB1/3SA(For servoalarm display)1Ry1PLsupply ON 1KM2KM1SAServo powersupply OFFServo power1KM1Ry1KM2SAL1CL2C1PL: Indicator lamp1SA: Surge absorber2SA: Surge absorber3SA: Surge absorber1D: Flywheel diode1QF: Molded-case circuit breakerFIL: Noise filter1KM: Magnetic contactor (for control power supply)2KM: Magnetic contactor (for main power supply)1Ry: Relay2KML1ENCSERVOPACKSGDV-AUVWM0 V1RyALM+ALM−34 1DB2B3L2CN11KML1CL3L2C1QFR S TFIL+24 V123SA∗B1/1Ry1PL1KM2KM1SA1Ry1KM2SA1KM(For servoalarm display)supply ONServo powersupply OFFServo power