Baldor 23H series Installation & Operating Manual

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Baldor 23H series Installation & Operating Manual Manual pdf 103 page image

Appendix DRecommended Wire Sizes and Protective DevicesThis control must be provided with a suitable input power protection device. Use the recommendedfuses or circuit breaker listed on Table 2.1 which follows. Input and output wire size is based on theuse of 75 degree C rated copper conductor wire. The table is specified for NEMA B motors.Circuit Breaker 3 phase, thermal magnetic. Equal to GE type THQ or TEB for 230VACor GE type TED for 460VAC, and 575VAC.Fast Action Fuses Buss KTN on 230VAC or Buss KTS on 460VAC, Buss FRS on575VAC or equivalent.Time Delay Fuses Buss FRN on 230VAC or Buss FRS on 460VAC, 575VAC or equivalent.Table 2.1A Series 23H 230VAC Control Wire Size and Protective Devices230VAC ControlsNOTE: ALL WIRE SIZES BASED ON 75° C COPPER WIRE, 40°C AMBIENT, 3%LINE IMPEDANCE. HIGHER TEMPERATURE SMALLER GAUGE WIRE MAYBE USED PER NEC AND LOCAL CODES.APPENDIX D5-4Catalog No. Max CT Input Input Fuse Input Fuse Wire GaugeHP Breaker Fast Acting Time Delay AWGSD23H2A03-E 1 15A 15A 15A 14SD23H2A04-E 2 20A 20A 15A 14SD23H2A07-E 3 30A 30A 15A 14SD23H2A10-E 5 40A 40A 20A 12SD23H2A15-E 7.5 60A 60A 30A 10SD23H2A22-E 10 80A 80A 40A 8SD23H2A30-ER 15 60A 60A 60A 4SD23H2A45-ER 20 75A 75A 75A 3SD23H2A55-ER 25 100A 100A 100A 2MN723H-10/95 11/28/95 1:16 AM Page 104 (Black plate)