| Operating temperature, °C | from –20 to +40 |
| Ingress protection rating | IP65 |
| Protection class against electric shock | I |
| DC supply voltage, V | 120…400 |
| AC supply voltage, 50 Hz, V | 90…280 |
| Stabilized DC output voltage Uo (depending on version), V | (12 / 13.8 / 24) ±5% |
| Rated output power, W (minimum) | 50 |
| Output current Io, A (minimum) | Po / Uo |
| LED indication | output voltage presence |
| Overall dimensions, mm | 192 × 125 × 140 |
| Weight, kg | 2.0 |
Application area
The IPR is intended for operation in underground mine workings, pits, and their surface structures not hazardous due to gas and dust, in accordance with the “PN2” marking under GOST 30852.20-2002. It meets the requirements of GOST 24754-2013 and is applied in compliance with federal industrial safety norms and regulations: “Safety Rules for Mining and Processing of Solid Minerals” and “Safety Rules in Coal Mines.”