Digital DC motor controller for slip ring motors, available in two quadrant JL or four quadrant JLX.
Specification and prices below:

| 2Q JL | 4Q JLX | 100% Output Current | Power @ 415V | Unit Price |
| JL130 | - | 130A | 75kW | £2,577.00 |
| - | JLX130 | £3,783.00 | ||
| JL170 | - | 170A | 100kW | £2,735.00 |
| - | JLX170 | £4,094.00 | ||
| JL220 | - | 220A | 130kW | £2,894.00 |
| - | JLX220 | £4,400.00 | ||
| JL270 | - | 270A | 160kW | £3,933.00 |
| - | JLX270 | £5,920.00 | ||
| JL370 | - | 370A | 215kW | £4,610.00 |
| - | JLX370 | £6,628.00 | ||
| JL450 | - | 450A | 260kW | £5,191.00 |
| - | JLX450 | £7,212.00 | ||
| JL530 | - | 530A | 310kW | £6,113.00 |
| - | JLX530 | £7,901.00 | ||
| JL615 | - | 615A | 360kW | £6,238.00 |
| - | JLX615 | £8,801.00 | ||
| JL700 | - | 700A | 405kW | £6,709.00 |
| - | JLX700 | £10,183.00 | ||
| JL780 | - | 780A | 450kW | £7,214.00 |
| - | JLX780 | £11,199.00 | ||
| JL860 | - | 860A | 500kW | £7,757.00 |
| - | JLX860 | £11,324.00 | ||
| JL1025 | - | 1025A | 595kW | £8,261.00 |
| - | JLX1025 | £12,181.00 | ||
| JL1190 | - | 1190A | 690kW | £9,574.00 |
| - | JLX1190 | £13,057.00 | ||
| JL1350 | - | 1350A | 785kW | £10,885.00 |
| - | JLX1350 | £13,935.00 | ||
| JL1520 | - | 1520A | 880kW | £11,754.00 |
| - | JLX1520 | £14,910.00 | ||
| JL1680 | - | 1680A | 975kW | £12,460.00 |
| - | JLX1680 | £15,955.00 |
For heavy duty applications the JLHD (2 quadrant) and JLXHD (4 quadrant) are also available.
Specification and prices below:

| 2Q JLHD | 4Q JLXHD | 100% Output Current | Power @ 415V | Unit Price |
| JLHD75 | - | 75A | 45kW | £2,577.00 |
| - | JLXHD75 | £3,783.00 | ||
| JLHD100 | - | 100A | 60kW | £2,735.00 |
| - | JLXHD100 | £4,094.00 | ||
| JLHD130 | - | 130A | 75kW | £2,894.00 |
| - | JLXHD130 | £4,400.00 | ||
| JLHD160 | - | 160A | 95kW | £3,932.00 |
| - | JLXHD160 | £5,920.00 | ||
| JLHD220 | - | 220A | 130kW | £4,610.00 |
| - | JLXHD220 | £6,628.00 | ||
| JLHD270 | - | 270A | 160kW | £5,191.00 |
| - | JLXHD270 | £7,212.00 | ||
| JLHD320 | - | 320A | 190kW | £6,113.00 |
| - | JLXHD320 | £7,901.00 | ||
| JLHD370 | - | 370A | 215kW | £6,238.00 |
| - | JLXHD370 | £8,801.00 | ||
| JLHD420 | - | 420A | 245kW | £6,709.00 |
| - | JLXHD420 | £10,183.00 | ||
| JLHD470 | - | 470A | 270kW | £7,214.00 |
| - | JLXHD470 | £11,199.00 | ||
| JLHD520 | - | 520A | 300kW | £7,757.00 |
| - | JLXHD520 | £11,324.00 | ||
| JLHD615 | - | 615A | 360kW | £8,261.00 |
| - | JLXHD615 | £12,181.00 | ||
| JLHD715 | - | 715A | 415kW | £9,574.00 |
| - | JLXHD715 | £13,057.00 | ||
| JLHD815 | - | 815A | 475kW | £10,885.00 |
| - | JLXHD815 | £13,935.00 | ||
| JLHD910 | - | 910A | 530kW | £11,754.00 |
| - | JLXHD910 | £14,910.00 | ||
| JLHD1010 | - | 1010A | 585kW | £12,460.00 |
| - | JLXHD1010 | £15,955.00 |