Input Voltage Input Voltage |
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Output Voltage Output Voltage |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Housing Finish Housing Finish |
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About Motor Switches and Starters
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DIN-Rail Mount Programmable Three-Phase AC Motor Speed Controls

Mount these controls to DIN rail inside a control panel. Set them to automatically adjust motor speed. Wire a potentiometer (not included) for remote manual control.
For technical drawings and 3-D models, click on a part number.
Output | Input Signal | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Horsepower, hp | Input Voltage | Current, A | Voltage | Frequency, Hz | Voltage | Current, mA | Ht. | Wd. | Reversing Capability | For DIN Rail Ht., mm | Specifications Met | Each | |
Single-Phase Input | |||||||||||||
1/2 | 100-120V AC | 2.4 | 230V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 0000000 |
3/4 | 200-240V AC | 2.8 | 230V AC | 0-320 | 0-10V DC | 4-20 | 6.3" | 2.6" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
1 | 100-120V AC | 3.7 | 230V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
1 | 200-240V AC | 3.7 | 230V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
1 1/2 | 100-120V AC | 4.8 | 230V AC | 0-320 | 0-10V DC | 4-20 | 9.96" | 3.94" | Reversing | 35 | UL Listed CE Marked | 0000000 | 000000 |
2 | 200-240V AC | 7 | 230V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
3 | 200-240V AC | 9.6 | 230V AC | 0-320 | 0-10V DC | 4-20 | 9.96" | 3.94" | Reversing | 35 | UL Listed CE Marked | 0000000 | 00000000 |
Three-Phase Input | |||||||||||||
3/4 | 200-240V AC | 2.8 | 230V AC | 0-320 | 0-10V DC | 4-20 | 6.3" | 2.6" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
1 | 380-480V AC | 2.4 | 460V AC | 0-320 | 0-10V DC | 4-20 | 6.3" | 2.6" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
2 | 200-240V AC | 7 | 230V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
3 | 200-240V AC | 11 | 230V AC | 0-320 | 0-10V DC | 4-20 | 9.96" | 3.94" | Reversing | 35 | UL Listed CE Marked | 0000000 | 00000000 |
3 | 380-480V AC | 5.6 | 460V AC | 0-320 | 0-10V DC | 4-20 | 7.68" | 3.54" | Reversing | 35 | UL Listed C-UL Listed CE Marked | 0000000 | 00000000 |
5 | 380-480V AC | 9 | 460V AC | 0-320 | 0-10V DC | 4-20 | 9.96" | 3.94" | Reversing | 35 | UL Listed CE Marked | 0000000 | 00000000 |
7 1/2 | 380-480V AC | 12 | 460V AC | 0-320 | 0-10V DC | 4-20 | 9.96" | 3.94" | Reversing | 35 | UL Listed CE Marked | 0000000 | 00000000 |
Programmable Three-Phase AC Motor Speed Controls

Set these controls to automatically adjust motor speed. Wire a potentiometer (not included) for remote manual control.
For technical drawings and 3-D models, click on a part number.
Output | Input Signal | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Horsepower, hp | Input Voltage | Current, A | Voltage | Frequency, Hz | Voltage | Current, mA | Ht. | Wd. | Mounting Fasteners Included | Mounting Hole Diameter (No. of) | Environmental Rating | Specifications Met | Each | |
Single-Phase Input | ||||||||||||||
Reversing | ||||||||||||||
1 | 115V AC/230V AC | 4.2 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 0000000 |
1 1/2 | 115V AC/230V AC | 5.2 | 230V AC | 0-120 | 0-10V DC | 4-20 | 7.5" | 3.9" | Yes | 0.2" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
2 | 200-240V AC | 7 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
3 | 200-240V AC | 9.6 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
Three-Phase Input | ||||||||||||||
Reversing | ||||||||||||||
1 | 200-240V AC | 4.2 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
1 | 400-480V AC | 2 | 400-480V AC | 0-120 | 0-10V DC | 4-20 | 7.5" | 3.89" | No | 0.21" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
2 | 170-264V AC | 7 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.89" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
3 | 200-240V AC | 9.6 | 0-230V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
5 | 200-240V AC | 18 | 200-240V AC | 0-500 | 0-10V DC | 4-20 | 10.75" | 5.08" | No | 0.24" (4) | __ | UL Listed C-UL Listed CE Marked | 0000000 | 00000000 |
5 | 400-480V AC | 8.2 | 400-480V AC | 0-500 | 0-10V DC | 4-20 | 7.5" | 3.9" | No | 0.22" (4) | NEMA 1, IP31 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
Washdown Programmable Three-Phase AC Motor Speed Controls

Rated NEMA 4, these controls are protected from washdowns. Set them to automatically adjust motor speed. Wire a potentiometer (not included) for remote manual control.
Controls rated NEMA 12 also protect against splashes of oil and coolant when used indoors.
For technical drawings and 3-D models, click on a part number.
Output | Input Signal | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Horsepower, hp | Input Voltage | Current, A | Voltage | Frequency, Hz | Voltage | Current, mA | Ht. | Wd. | Reversing Capability | Environmental Rating | Specifications Met | Each | |
Single-Phase Input | |||||||||||||
1 | 200-240V AC | 4.2 | 200V AC-240V AC | 0-120 | 0-10V DC | 4-20 | 8" | 6.5" | Reversing | NEMA 4, NEMA 12, IP65 | UL Listed C-UL Listed CE Marked | 0000000 | 0000000 |
Single-Phase/Three-Phase Input | |||||||||||||
2 | 200-240V AC | 7 | 200V AC-240V AC | 0-500 | 0-10V DC | 4-20 | 8" | 6.28" | Reversing | NEMA 4, IP65 | UL Listed C-UL Listed CE Marked | 0000000 | 000000 |
Three-Phase Input | |||||||||||||
2 | 400-480V AC | 3.4 | 400V AC-480V AC | 0-500 | 0-10V DC | 4-20 | 8" | 6.28" | Reversing | NEMA 4, IP65 | UL Listed C-UL Listed CE Marked | 0000000 | 00000000 |
3 | 400-480V AC | 4.8 | 400V AC-480V AC | 0-500 | 0-10V DC | 4-20 | 8" | 6.28" | Reversing | NEMA 4, IP65 | UL Listed C-UL Listed CE Marked | 0000000 | 00000000 |
Three-Phase AC Motor Speed Controls
Vary the speed of three-phase AC motors. Mount these controls inside a machine or control cabinet. They’re often used in packaging machines, conveyors, and vacuum equipment. Operate controls manually or remotely with an electrical signal.
Input adapters (sold separately) allow controls to accept a range of input voltages and current. Mount to the bottom of the control.
For technical drawings and 3-D models, click on a part number.

Output | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Horsepower, hp | Input Voltage | Voltage | Frequency, Hz | Ht. | Wd. | Reversing Capability | Features | Specifications Met | Each | |
Single-Phase Input | ||||||||||
1/2 | 115V AC/230V AC | 230V AC | 0-120 | 3" | 4.3" | Reversing | Maximum Speed Setting, Run and Jog Modes, Torque Boost | UL Listed, C-UL Listed | 0000000 | 0000000 |
1 | 115V AC/230V AC | 230V AC | 0-120 | 4.4" | 6.9" | Reversing | Maximum Speed Setting, Run and Jog Modes, Torque Boost | UL Listed, C-UL Listed | 0000000 | 000000 |

Input Signal | |||
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Voltage | Current, mA | Each | |
0V DC-5V DC/0V DC-10V DC | 4-20 | 0000000 | 0000000 |