Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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The US series combines a control unit and an AC speed control motor. Connection between the motor and control unit is simplified by and easy-to-use connector. The US series is designed for applications where remote control of the motor speed and easy installation are required.
  • Frame sizes from 2.36 in to 3.54 in
  • Output power from 1/125 HP (6 W) to 1/8 HP (90 W)
  • Rated torque from 1.06 lb-in to 260 lb-in
  • Variable speed ranges from 0.5 ~ 8.8 r/min to 90 ~ 1600 r/min
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Item #

Item Name

Motor Frame Size

Output Power

Power Supply

Gear Ratio (X:1)

Shaft/Gear Type

Permissible Torque (1200 r/min) (lb-in)

Variable Speed Range (r/min)

US425-402E / 4GN60KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 60 :1 - Parallel Shaft Gearhead - 45 [60 Hz] 66 [50 Hz] - 1.5 ~ 23 [50 Hz] 1.5 ~ 26 [60 Hz]
US425-402E / 4GN75KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 75 :1 - Parallel Shaft Gearhead - 56 [60 Hz] 70 [50 Hz] - 1.2 ~ 18 [50 Hz] 1.2 ~ 21 [60 Hz]
US425-402E / 4GN90KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 90 :1 - Parallel Shaft Gearhead - 68 [60 Hz] 70 [50 Hz] - 1 ~ 15 [50 Hz] 1 ~ 17 [60 Hz]
US425-402E / 4GN100KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 100 :1 - Parallel Shaft Gearhead - 70 - 0.9 ~ 14 [50 Hz] 0.9 ~ 16 [60 Hz]
US425-402E / 4GN120KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 120 :1 - Parallel Shaft Gearhead - 70 - 0.75 ~ 11 [50 Hz] 0.75 ~ 13 [60 Hz]
US425-402E / 4GN150KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 150 :1 - Parallel Shaft Gearhead - 70 - 0.6 ~ 9 [50 Hz] 0.6 ~ 10 [60 Hz]
US425-402E / 4GN180KA - AC Speed Control System - 3.15 in. sq. - 25 W (1/30 HP) - Single-Phase 220/230 VAC - 180 :1 - Parallel Shaft Gearhead - 70 - 0.5 ~ 7 [50 Hz] 0.5 ~ 8.8 [60 Hz]
US540-401U / 5GN3KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 3 :1 - Parallel Shaft Gearhead - 5.5 - 30 ~ 533
US540-401U / 5GN3.6KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 3.6 :1 - Parallel Shaft Gearhead - 6.7 - 25 ~ 444
US540-401U / 5GN5KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 5 :1 - Parallel Shaft Gearhead - 9.7 - 18 ~ 320
US540-401U / 5GN6KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 6 :1 - Parallel Shaft Gearhead - 11.5 - 15 ~ 266
US540-401U / 5GN7.5KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 7.5 :1 - Parallel Shaft Gearhead - 14.1 - 12 ~ 213
US540-401U / 5GN9KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 9 :1 - Parallel Shaft Gearhead - 16.8 - 10 ~ 177
US540-401U / 5GN12.5KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 12.5 :1 - Parallel Shaft Gearhead - 23 - 7.2 ~ 128
US540-401U / 5GN15KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 15 :1 - Parallel Shaft Gearhead - 28 - 6 ~ 106
US540-401U / 5GN18KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 18 :1 - Parallel Shaft Gearhead - 33 - 5 ~ 88
US540-401U / 5GN25KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 25 :1 - Parallel Shaft Gearhead - 41 - 3.6 ~ 64
US540-401U / 5GN30KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 30 :1 - Parallel Shaft Gearhead - 50 - 3 ~ 53
US540-401U / 5GN36KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 36 :1 - Parallel Shaft Gearhead - 60 - 2.5 ~ 44
US540-401U / 5GN50KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 50 :1 - Parallel Shaft Gearhead - 76 - 1.8 ~ 32
US540-401U / 5GN60KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 60 :1 - Parallel Shaft Gearhead - 88 - 1.5 ~ 26
US540-401U / 5GN75KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 75 :1 - Parallel Shaft Gearhead - 88 - 1.2 ~ 21
US540-401U / 5GN90KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 90 :1 - Parallel Shaft Gearhead - 88 - 1 ~ 17
US540-401U / 5GN100KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 100 :1 - Parallel Shaft Gearhead - 88 - 0.9 ~ 16
US540-401U / 5GN120KA - AC Speed Control System - 3.54 in. sq. - 40 W (1/19 HP) - Single-Phase 110/115 VAC - 120 :1 - Parallel Shaft Gearhead - 88 - 0.75 ~ 13
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