Analogue DC motor controller, available in two quadrant SL or four quadrant SLX. We also supply the SLE which is two quadrant fixed field.
Specification and prices below:

| SL 2 Quad | SLX 4 Quad | Armature Current |
Power @ 460V |
Our Price |
| SLE14 | - | 34A | 14kW | £967.00 |
| SLE24 | - | 58A | 24kW | £1,125.00 |
| SLE34 | - | 82A | 34kW | £1,379.00 |
| SLE44 | - | 106A | 44kW | £1,515.00 |
SL5 |
- | 12A | 5kW | £1,498.00 |
| - | SLX5 | £1,999.00 | ||
| SL10 | - | 24A | 10kW | £1,545.00 |
| - | SLX10 | £2,063.00 | ||
| SL15 | - | 36A | 15kW | £1,593.00 |
| - | SLX15 | £2,128.00 | ||
| SL20 | - | 48A | 20kW | £1,751.00 |
| - | SLX20 | £2,502.00 | ||
| SL30 | - | 72A | 30kW | £1,803.00 |
| - | SLX30 | £2,574.00 | ||
| SL40 | - | 96A | 40kW | £1,915.00 |
| - | SLX40 | £2,757.00 | ||
| SL50 | - | 120A | 50kW | £2,029.00 |
| - | SLX50 | £2,940.00 | ||
| SL65 | - | 155A | 65kW | £2,396.00 |
| - | SLX65 | £3,517.00 | ||
| SL85 | - | 205A | 85kW | £2,542.00 |
| - | SLX85 | £3,805.00 | ||
| SL115 | - | 270A | 115kW | £2,691.00 |
| - | SLX115 | £4,193.00 | ||
| SL145 | - | 330A | 145kW | £3,825.00 |
| - | SLX145 | £6,003.00 |