IP-5 (renewed) with no-break power function ensures:
– conversion of trolley system voltage into DC voltage 24V;
– independent power supply of on-board V-network 24V during the period up to 40 sec. after pantograph bouncing;
– short circuit protection;
– peak overvoltage protection at input;
– blackout of block from the trolley system under voltage lower 130V and over 420V;
– overvoltage protection at input;
– overtemperature protection.
Technical characteristics
| Serial no. | Designation of parameters and dimensions | Unit of measure | Value | Note |
| 1. | Minimum voltage value | V | 130 | direct current |
| 2. | Maximum voltage value | V | 420 | direct current |
| 3. | Nominal load power | Wt | 240 | direct current |
| 4. | Nominal load voltage | V | 24 | direct current |
| 5. | Nominal load current | А | 10 | direct current |
| 6. | Independent power supply time 24V after pantograph bouncing | Sec. | 40 | Maximum total useful current 10А |
| 7. | Pulsation amplitude | mV | 50 | |
| 8. | Permissible vibrations, frequency | Hz | 10…500 | |
| 9. | Permissible vibrations, acceleration | m/s2 | 2G | |
| 10. | Level of protection against environmental exposure | IP66 | ||
| 11. | Version | PH1 | ||
| 12. | Insulation resistance | Megohm | 10 | |
| 13. | Storage temperature | оС | -30/+70 | |
| 14. | Operating temperature | оС | -20/+85 | |
| 15. | Overall dimensions L/W/H | mm | 310/182/116 | |
| 16. | Mass | kg | 6 |