Altistart 01 Soft Starters Page 41 Wiring Diagrams

41 Altistart 01 & U01 soft starters for asynchronous motors ATS01N2 pppp & ATSU01N2 pppp Wiring Diagrams ATS01N2 pp LU/QN/RT soft starter with GV manual starter, or other motor starter Automatic 3-wire control with isolation contactor without soft stop KM1 BOOST ( 4 ) ( 3 ) LO1 M1 3~ 4/T2 2/T1 6/T3 COM R1C LI+ LI2 LI1 KM1 R1A A1 3/L2 1/L1 5/L3 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 t1 10 s V 1 Line voltage/ Green LED Yellow LED Motor voltage LO1 Start Stop R1 Relay t Notes: A1: ATS01 soft starter FU1 : Control circuit fuse FU3: Fast-acting UL Listed Class J fuse KM1: Isolation contactor OL: Overload relay Q1: Manual motor starter or disconnect switch S1, S2: Momentary pushbuttons t1: 1 - 10 second adjustable starting time V1: Initial motor voltage - adjustable from 30 to 80% of the motor's rated voltage 1) Fuses FU3 are not required if device Q1 is a GV manual motor starter installed per local and national electrical codes. (2) Overload protection is required if not included on device Q1. (3) Optional jumper to select boost. (4) See page 11 for L01 wiring recommendations

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