125D 1HP DC Speed Control
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**The 125DV Series open chassis controls will be OBSOLETE effective January 1, 2025 replaced by our 153D Series chassis controls.
We will continue to support the 125DV Series chassis controls for years to come. However, for many reasons the new 153D Series is a better control:
- Better circuit design improves performance across a broader range of applications
- Able to provide 90VDC output from 120/240VAC supply
- Adds separately adjustable ACCEL and DECEL standard (option for 125DV)
- 1/4″ male QC terminals standard: for terminal strip add -T to model number
- Power and Current Limit LED diagnostics (N/A for 125DV)
- Same footprint and mounting hole dimensions
- See table below for 125 to 153 Series direct replacement
Trimpot Definition and Adjustment
| MODEL NUMBER | 153D Series Replacement | STYLE | INPUT (VAC) | OUTPUT (VDC) | OUTPUT HP RANGE |
|---|---|---|---|---|---|
|
123D-C
|
N/A (still available)
|
CHASSIS
|
24 OR 36
|
0-20 (24VAC)
0-30 (36VAC)
|
0.15-5.5 ADC
ARMATURE
|
|
125D-12C; 125D-12C-2A; 125D-12C-K
|
153D-25C (-T)
|
CHASSIS
|
120/240
|
0-90/180
|
1/50-1/8 (90V)
1/25-1/4 (180V)
|
|
125DV-C; 125DV-C-2A; 125DV-C-K
|
153D-200C (-T)
|
CHASSIS
|
120/240
|
0-90/180
|
1/8-1/2 (90V)
1/4-1 (180V)
|
Horsepower settings are adjustable – see installation manual. Control is tested and calibrated for maximum horsepower.
