LEESON® Speedmaster™ DC Adjustable Speed Drives - SCR
SCR – 4 Quadrant – Chassis – Regenerative Controls
Features
- Industry standard footprint - Allows for replacing competitive drives
- Microprocessor-based design - Allows for customer programming
- Fully regenerative - 4-Quadrant allows for quick braking
- Torque mode - Can be used for speed control or torque control
- Stopping modes - Inhibit (braking) can be used for N.O. or N.C. operation
- Can be used for frequent starting and stopping
- Bidirectional (Wigwag) mode - Can be set so that the potentiometer determines both speed and direction
- AC Line Voltage: 115 / 230 VAC, ±10%, 50/60 Hz, 1Ø
- Field Voltage with 115 VAC Line (230 VAC Line): 50/100 (100/200) VDC
- Maximum Field Amperage: 0.74 Amps
- Acceleration Time Range: 0.1 - 15 seconds
- Deceleration Time Range: 0.1 - 15 seconds
- Analog Signal Range: 0 ± 10 VDC, 4 - 20 mA
- Input Impedance (COM to SIG1, SIG2): >100K Ω
- Form Factor: 1.37 at base speed
- Tachogenerator Feedback Range: 0 to 7 - 50 VDC / 1000 RPM
- Load Regulation:
- Armature Feedback: 1.0% of base speed or better
- Tach Feedback: 0.1% of base speed or better
- Speed Range
- Armature Feedback: 50:1
- Tach Feedback: 60:1
- Ambient Temperature Range: 10°C - 50°
| Catalog Number | Enclosure | Maximum Current (ADC) | Input Voltage (VCC) | Output (VCC) | HP Range | Field/Shunt Supply | Braking | Reversing | Isolation |
|---|---|---|---|---|---|---|---|---|---|
| 174062.00 | Chassis | 1.5 | 115 | 0-90 | 1/50-1/8 | Yes | Yes Regenerative | Yes Regenerative | Yes |
| 0-90 | 1-50-1/8 | ||||||||
| 230 | 0-180 | 1/25-1/4 | |||||||
| 174064.00 | Chassis | 11 | 115 | 0-90 | 1/8-1 | Yes | Yes Regenerative | Yes Regenerative | Yes |
| 0-90 | 1/8-1 | ||||||||
| 230 | 0-180 | 1/4-2 |
- AC Line Voltage: 115 / 230 VAC, ±10%, 50/60 Hz, 1Ø
- Acceleration Time Range: 0.5 - 20 seconds
- Deceleration Time Range: 0.5 - 20 seconds
- Analog Signal Range: 0 ± 10 VDC
- Input Impedance (COM to SIG1): >100K Ω
- Form Factor: 1.37 at base speed
- Load Regulation: 1.0% of base speed or better
- Speed Range 50:1
- Ambient Temperature Range: 10°C - 50°C
| Catalog Number | Enclosure | Maximum Current (ADC) | Input Voltage (VCC) | Output (VCC) | HP Range | Field/Shunt Supply | Braking | Reversing | Isolation |
|---|---|---|---|---|---|---|---|---|---|
| 174065.00 | Chassis | 1.5 | 115 | 0-90 | 1/50-1/8 | Yes | Yes Regenerative | Yes Regenerative | Yes |
| 0-90 | 1-50-1/8 | ||||||||
| 230 | 0-180 | 1/25-1/4 | |||||||
| 174066.00 | Chassis | 11 | 115 | 0-90 | 1/8-1 | Yes | Yes Regenerative | Yes Regenerative | Yes |
| 0-90 | 1/8-1 | ||||||||
| 230 | 0-180 | 1/4-2 |
DC Adjustable Speed Drives - SCR Controls – 15 Series
General Specifications
- 0-90 / 0-180 volts DC
- Adjustable min. and max. speed
- Adjustable IR compensation
- Fixed acceleration - 5 seconds
- 5K ohm speed potentiometer included
- 25:1 speed range and 1% speed regulation
| Catalog Number | Description | Output Amps | HP Range | |
|---|---|---|---|---|
| 115V | 230V | |||
| 174696.00 | NEMA® 4/12 Non-Reversing, Figure 1 | 3 | 1/3 | 2/3 |
| 174695.00 | Chassis, Figure 2 | 2 | 1/6 | 1/6 |
| 174694.00 | Chassis, Figure 3 | 2 | 1/6 | 1/6 |
SCR Controls – 15 Series
General Specifications
- 0-90 / 0-180 volts DC
- Adjustable min. and max. speed
- Adjustable IR compensation
- Fixed acceleration - 5 seconds
- 5K ohm speed potentiometer included
- 25:1 speed range and 1% speed regulation
| Catalog Number | Description | Output Amps | HP Range | |
|---|---|---|---|---|
| 115V | 230V | |||
| 174696.00 | NEMA® 4/12 Non-Reversing, Figure 1 | 3 | 1/3 | 2/3 |
| 174695.00 | Chassis, Figure 2 | 2 | 1/6 | 1/6 |
| 174694.00 | Chassis, Figure 3 | 2 | 1/6 | 1/6 |


