Altistart 01 Soft Starters Page 25 Wiring Diagrams

25 Altistart 01 & U01 soft starters for asynchronous motors ATS01N1 pppp Wiring Diagrams ATS01N1 pp FT soft starter with GV manual starter, fusible disconnect, or other motor starter Automatic 3-wire control with isolation contactor (three-phase motor) KM1 120 V 24 Vdc M1 3~ Manual Starter or Disconnect Q1 L1 L2 L3 120 Vac Supply STOP FU1 OL L + START S1 S2 FU3 KM1 OL N - ( 2 ) ( 1 ) 208-480 V 6/T3 4/T2 2/T1 24 V CL2 1/L1 A1 CL1/0 5/L3 3/L2 24 Vdc or TS Q1 t1 V 1 Line voltage/ Green LED Yellow LED Motor voltage Start Stop t Notes: A1: ATS01 soft starter FU1 : Control circuit fuse - 120 Vac control power only FU3: Fast-acting UL Listed Class J fuse KM1: Isolation contactor TS: Transient suppressor OL: Overload relay Q1: Manual motor starter or disconnect switch S1, S2: Momentary pushbuttons t1: 1 - 5 second adjustable starting time (1) Fuses FU3 are not required if device Q1 is a TeSys U-Line or GV manual starter. Motor starter installed per local and national electrical codes. Fuse is not required on neutral log. (2) Overload protection is required if not included on device Q1. (3) Wait 5 seconds after switching off the soft start before switching it on again.

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