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AC Induction Motors & Gear Motors

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KII Series AC Gear MotorsInduction AC Gear Motors Equipped with High-Performance Gearhead - KII Series

Oriental Motor, which has set the standard for AC motors, listened and has sought out the next generation in AC motors. The KII Series offers higher strength gears that maximize motor performance with simple wiring and flexible mounting options, all at affordable prices. These are the characteristics of the new standard in AC motors, the next generation KII Series.

Available from 6 W (1/125 HP) up to 90 W (1/8 HP) with either Imperial or Metric standard output shafts.

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Safety Marks

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.

Downsizing AC Gear Motor

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

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

Internal Structure of AC Gear Motor

Permissible overhung load and permissible thrust load have doubled compared to conventional products.

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.

Service 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.

Noise Level

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

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.

High Gear Ratios

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 Output Shaft

Terminal Box Type (Mounting)

The cable outlet can be changed to three different directions. This
can be changed to suit the installation requirements.

Terminal Box

Terminal Box Type (IP Rating)

Terminal Box

IP65* - 25 W (1/30 HP) and 40 W (1/19 HP)

IP54* - 60 W (1/12 HP) and 90 W (1/8 HP)

*Excluding mounting surface.

Select Power Supply below to view available products.

Imperial Output Shaft

Type

Output Power

Power Supply (VAC)

Output
Shaft

Permissible
Torque
*

Motor
Speed
*

Lead Wire Type

Terminal Box Type

KII Series
Induction Motors
Parallel Shaft Gear Motor

6 W
(1/125 HP)

Single-Phase 110/115

- 3/8 in. 1.59 ~ 53 lb-in
(0.18 ~ 6 N·m)

1800 r/min (60 Hz)

[1500 r/min (50 Hz)]

 

Single-Phase 220/230

-
15 W
(1/50 HP)

Single-Phase 110/115

- 1/2 in. 4.1 ~ 88 lb-in
(0.47 ~ 10 N·m)

Single-Phase 220/230

-
25 W
(1/30 HP)

Single-Phase 110/115

Single-Phase 110/115

5/8 in. 6.8 ~ 141 lb-in
(0.77 ~ 16 N·m)

Single-Phase 220/230

Single-Phase 220/230

40 W
(1/19 HP)

Single-Phase 110/115

Single-Phase 110/115

3/4 in. 10.6 ~ 260 lb-in
(1.2 ~ 30 N·m)

Single-Phase 220/230

Single-Phase 220/230

60 W
(1/12 HP)

Single-Phase 110/115

Single-Phase 110/115

3/4 in. 15.9 ~ 260 lb-in
(1.8 ~ 30 N·m)

Single-Phase 220/230

Single-Phase 220/230

90 W
(1/8 HP)

Single-Phase 110/115

Single-Phase 110/115

3/4 in. 23 ~ 350 lb-in
(2.6 ~ 40 N·m)

Single-Phase 220/230

Single-Phase 220/230

Metric Output Shaft

Type

Output Power

Power Supply (VAC)

Output
Shaft

Permissible
Torque
*

Motor
Speed
*

Lead Wire Type

Terminal Box Type

KII Series
Induction Motors
Parallel Shaft Gear Motor

6 W
(1/125 HP)

Single-Phase 110/115

- 10 mm 1.59 ~ 53 lb-in
(0.18 ~ 6 N·m)

1800 r/min (60 Hz)

[1500 r/min (50 Hz)]

 

Single-Phase 220/230

-
15 W
(1/50 HP)

Single-Phase 110/115

- 12 mm 4.1 ~ 88 lb-in
(0.47 ~ 10 N·m)

Single-Phase 220/230

-
25 W
(1/30 HP)

Single-Phase 110/115

Single-Phase 110/115

15 mm 6.8 ~ 141 lb-in
(0.77 ~ 16 N·m)

Single-Phase 220/230

Single-Phase 220/230

40 W
(1/19 HP)

Single-Phase 110/115

Single-Phase 110/115

18 mm 10.6 ~ 260 lb-in
(1.2 ~ 30 N·m)

Single-Phase 220/230

Single-Phase 220/230

60 W
(1/12 HP)

Single-Phase 110/115

Single-Phase 110/115

18 mm 15.9 ~ 260 lb-in
(1.8 ~ 30 N·m)

Single-Phase 220/230

Single-Phase 220/230

90 W
(1/8 HP)

Single-Phase 110/115

Single-Phase 110/115

18 mm 23 ~ 350 lb-in
(2.6 ~ 40 N·m)

Single-Phase 220/230

Single-Phase 220/230

View Products = View all KII Series Induction Motors & Gear Motors

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

System Configuration

Couplings / Brackets

Flexible Couplings

Flexible Couplings

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

 

Motor Mounting Brackets

Mounting Bracket

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

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.

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

Motor Size Imperial Bracket* Metric Bracket*
6 W (1/125 HP) SOL2U08F SOL2M4F
15 W (1/50 HP) SOL3UAF SOL3M6F
25 W (1/30 HP) SOL4UAF SOL4M6F
40 W (1/19 HP)
60 W (1/12 HP)
90 W (1/8 HP)
SOL5UBF SOL5M8F

*Brackets available for Imperial Shaft or Metric Shaft.

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