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KII Series Single-Phase AC Motors & Gear Motors

KII Series Single-Phase Induction Motors

KII Series Single-Phase AC Motors & Gear Motors

Oriental Motor, which has set the standard for AC motors, listened and has sought out the next generation in AC motors with the KII Series Single-Phase AC motors. The KII Series also offers the high strength Parallel Shaft type gears that maximize motor performance with simple wiring and flexible mounting options. The KII Series is available from 6 W (1/125 HP) up to 90 W (1/8 HP) with either Imperial or Metric standard output shafts.

  • Round Shaft or Parallel Shaft Gear Motors
  • Imperial or Metric Shaft options
  • Lead Wire or Terminal Box types
  • Single-Phase 110/115 VAC or Single-Phase 220-230 VAC
  • Electromagnetic Brake type available

AC Gear Motor Lineup

Output Power

Type

Gear Type

Output Shaft

Options

Power Supply

Permissible Torque*

6 W AC Gear Motors

6 W (1/125 HP) AC Gear Motors

Lead Wire

Parallel Shaft

3/8 in. or 10 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

1.59 ~ 53 lb-in

0.18 ~ 6 N·m

Round Shaft
(no Gear)

6 mm

5.8 oz-in

41 mN·m

15 W AC Gear Motors

15 W (1/50 HP) AC Gear Motors

Lead Wire

Parallel Shaft

1/2 in. or 12 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

4.1 ~ 88 lb-in

0.47 ~ 10 N·m

Round Shaft
(no Gear)

6 mm

14.9 oz-in

105 mN·m

25 W (1/30 HP) AC Gear Motors

25 W (1/30 HP) AC Gear Motors

Lead Wire
Terminal Box

Parallel Shaft

5/8 in. or 15 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

6.8 ~ 141 lb-in

0.77 ~ 16 N·m

Round Shaft
(no Gear)

8 mm

24.1 oz-in

170 mN·m

40 W (1/19 HP) AC Gear Motors

40 W (1/19 HP) AC Gear Motors

Lead Wire
Terminal Box

Parallel Shaft

3/4 in. or 18 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

10.6 ~ 260 lb-in

1.2 ~ 30 N·m

Round Shaft
(no Gear)

10 mm

36.8 oz-in

260 mN·m

60 W (1/12 HP) AC Gear Motors

60 W (1/12 HP) AC Gear Motors

Lead Wire
Terminal Box

Parallel Shaft

3/4 in. or 18 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

15.9 ~ 260 lb-in

1.8 ~ 30 N·m

Round Shaft
(no Gear)

12 mm

57.4 oz-in

405 mN·m

90 W (1/8 HP) AC Gear Motors

90 W (1/8 HP) AC Gear Motors

Lead Wire
Terminal Box

Parallel Shaft

3/4 in. or 18 mm

Electromagnetic Brake

Single-Phase 110/115 VAC
Single-Phase 220/230 VAC

23 ~ 350 lb-in

2.6 ~ 40 N·m

Round Shaft
(no Gear)

12 mm

82.8 oz-in

585 mN·m

*Torque and Speed vary based on input voltage and frequency, please review product specifications for details.


 

High Performance AC Gear Motors

High Performance AC Gear Motors

High Permissible Torque

The maximum permissible torque has doubled compared to conventional products, thanks to increased gear strength* which provides a torque range that exceeds anything previously offered. Downsizing is also possible by switching the motors used in the past to the KII Series. If a small motor is selected, power consumption can be suppressed and costs can be reduced.

*Triple in 40 W products

Downsizing is possible with the same output torque.

Downsize Motors

Geared motors with twice the permissible torque compared to conventional geared motors and now with higher gear ratios.

High Permissible Torque

High Strength

Permissible overhung load and permissible thrust load have doubled compared to conventional products*. This has been made possible by increasing the case rigidity, adding larger diameter bearings and improved gear strength through heat treatment.

*The same in some products.

High Strength Gears

Permissible overhung load and permissible thrust load have doubled compared to conventional products. (40 W vs. 25 W comparison).

Overhung Load


Long Life

The gearhead ball bearing diameter has increased, resulting in doubling the life of the gearhead (10,000 hours compared to the rated life of 5,000 hours for conventional gearheads). Performing maintenance has decreased as a result of the longer life.

The rated life has doubled compared to conventional products.

Long Life

Quiet

The motor and gearhead noise (meshing sound) has decreased by approximately 6 dB compared to conventional motors. Put into perspective, the noise level has decreased by 50%.

The gearhead noise has been decreased by 6 dB compared to conventional products.

Quiet Operation


Combination Type

The motor and gearhead come pre-assembled and ready to install. Concerns of damage resulting from improper gearhead installation leading to abnormal noise in the shaft are eliminated.

Easy installation thanks to the pre-assembled motor and gearhead.

Combination Type Gear Motor

High Gear Ratio

Decimal gearheads were once required for gear ratios above 1:180. Now a single gearhead is available (up to 1:360), saving space and reducing components and costs.

No decimal gearhead is required, allowing the total length to be shortened.

Decimal Gear

Tap Output Shaft

An end tap has been integrated into the tip of the output shaft of gearheads, with a rated output power of 25 W (1/30 HP) and higher. The tap can be used to prevent pulleys and other transmission mechanisms from slipping.

Tap Shaft

Slim Body Terminal Box Type (IP Rating)

This new shape of terminal box is designed to make wiring the terminal block easier. It has a slim body, with a cable outlet that can be rotated in 90° increments for 4 possible directions.

Terminal Box Type

IP66 Compliant Drip-proof Specification

The seal structure for the motor, gearhead and terminal box components has been strengthened. The terminal box type is compliant with the IP66 degree of protection.


Electromagnetic Brake Type

  • 6 W (1/125 HP)
  • 15 W (1/50 HP)
  • 25 W (1/30 HP)
  • 40 W (1/12 HP)
  • 60 W (1/12 HP)
  • 90 W (1/8 HP)

Brake Motor

These motors have a "power off" activated type electromagnetic brake to hold the load in position when the power is cut off.

Ideal for Applications Required Load Holding

This configuration is ideal for vertical applications where the load must be held.

Vertical Application

Power Off Activated Type Electromagnetic Brake Equipped

An AC power off activated type electromagnetic brake is equipped. When the power source is turned OFF, the motor stops instantaneously and holds the load.

Electromagnetic Brake Structure

 

Brake Pack

Brake Pack

The SB50W provides instantaneous stop, bi-directional operation and electromagnetic brake control functions integrated into one unit. This brake pack can sense when the thermal protector is opened, ensuring the safety of your equipment. For greater convenience, a function has been added to reset alarms using an external signal.


 

Capacitor Mounting Bracket

Capacitor Mounting Bracket

This capacitor mounting plate allows you to attach an AC motor or Fan motor’s capacitor on a DIN rail. You can attach or detach in on a DIN rail with a one screw. There is no need for a separate end plate or additional components.

 

Flexible Couplings

These products are clamp type couplings used to connect a motor or gearhead shaft to the shaft of the equipment.

 

Mounting Bracket

Mounting Bracket

This is an aluminum die cast mounting bracket for geared motors.

Long, horizontal holes make it easy to make fine adjustments during installation.


CR Circuit for Surge Suppression

CR Circuit for Surge Suppression

This is used to protect the contacts of the relay or switch used in the bi-directional circuit or the instantaneous stop circuit of a motor.

 

System Configuration

System Configuration


CAD / Manual Search

To locate product CAD and Operator Manuals please search using the product Item Number.

Downloads


Videos

Packaging Application

Injection Application

Labeling Application

AC Motor & Fan Application

More AC gear motor videos...

Brake Pack
Cooling Fans

 

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