| Code | Part Number | Features | |
| ET | 5550 | PLC-30-9 | Constant voltage 9VDC 3,3A |
| ET | 5551 | PLC-30-12 | Constant voltage 12VDC 2,5A |
| ET | 5552 | PLC-30-15 | Constant voltage 15VDC 2,0A |
| ET | 5553 | PLC-30-20 | Constant voltage 20VDC 1,5A |
| ET | 5554 | PLC-30-24 | Constant voltage 24VDC 1,25A |
| ET | 5555 | PLC-30-27 | Constant voltage 27VDC 1,12A |
| ET | 5556 | PLC-30-36 | Constant voltage 36VDC 0,84A |
| ET | 5558 | PLC-30-48 | Constant voltage 48VDC 0,63A |
| ET | 5874 | PLC-45-12 | Constant voltage 12VDC 3,8A |
| ET | 5875 | PLC-45-15 | Constant voltage 15VDC 3,0A |
| ET | 5876 | PLC-45-20 | Constant voltage 20VDC 2,3A |
| ET | 5877 | PLC-45-24 | Constant voltage 24VDC 1,9A |
| ET | 5878 | PLC-45-27 | Constant voltage 27VDC 1,7A |
| ET | 5879 | PLC-45-36 | Constant voltage 36VDC 1,25A |
| ET | 5880 | PLC-45-48 | Constant voltage 48VDC 0,95A |
| ET | 5558 | PLC-60-12 | Constant voltage 12VDC 5,0A |
| ET | 5559 | PLC-60-15 | Constant voltage 15VDC 4,0A |
| ET | 5560 | PLC-60-20 | Constant voltage 20VDC 3,0A |
| ET | 5561 | PLC-60-24 | Constant voltage 24VDC 2,5A |
| ET | 5562 | PLC-60-27 | Constant voltage 27VDC 2,3A |
| ET | 5563 | PLC-60-36 | Constant voltage 36VDC 1,7A |
| ET | 5564 | PLC-60-48 | Constant voltage 48VDC 1,3A |
| ET | 5565 | PLC-100-12 | Constant voltage 12VDC 5,0A |
| ET | 5566 | PLC-100-15 | Constant voltage 15VDC 5,0A |
| ET | 5567 | PLC-100-20 | Constant voltage 20VDC 4,8A |
| ET | 5568 | PLC-100-24 | Constant voltage 24VDC 4,0A |
| ET | 5569 | PLC-100-27 | Constant voltage 27VDC 3,55A |
| ET | 5570 | PLC-100-36 | Constant voltage 36VDC 2,65A |
| ET | 5571 | PLC-100-48 | Constant voltage 48VDC 2,0A |
