ESS-20 (NSSRS)
Designed to provide uninterrupted direct current voltage (24–220 V) for auxiliary needs (device control); Battery chargers powered from the AC panel, which in normal mode supply DC users and charge the battery in standby mode; Chargers include features such as automatic switching between charging and standby modes, charging current limiting function, and signaling for charging current interruption, grounding, and maximum/minimum output voltage.
| Rated operational voltage (Ue) | ≤ 400V |
|---|---|
| Rated current of the assembly (InA) | ≤ 250 A |
| Rated frequency (fn) | 50 Hz |
| Degree of protection (IP) | IP2X-IP4X |
| Altitude above sea level | ≤ 2000 m |
| Ambient temperature | -35…+40°C |
| Relative humidity | ≤ 100% (at +25°C) |
| Ventilation | Passive (natural convection) / Active (mechanical forced ventilation) |
| Standards | LST EN 61439-1 |
Optional accessories
ESS-20 (NSSRS)
| Rated operational voltage (Ue) | ≤ 400V |
|---|---|
| Rated current of the assembly (InA) | ≤ 250 A |
| Rated frequency (fn) | 50 Hz |
| Degree of protection (IP) | IP2X-IP4X |
| Altitude above sea level | ≤ 2000 m |
| Ambient temperature | -35…+40°C |
| Relative humidity | ≤ 100% (at +25°C) |
| Ventilation | Passive (natural convection) / Active (mechanical forced ventilation) |
| Standards | LST EN 61439-1 |
Enclosure:
Cabinet enclosures are made from hot-dip galvanized profiles and DX51D+Z275 sheet steel, with a thickness of 1–2 mm. They are painted with standard RAL7032 color (other colors can be applied according to the project). Cabinets are connected to each other using joining bolts. The cabinet enclosures are assembled structures with surfaces coated in durable powder coating. Doors are fitted with hinges, and locks are made of stainless steel. The cabinets are prepared for interconnection and feature lifting lugs. Current and voltage measuring instruments and control buttons can be mounted on the doors. Automatic circuit breakers and fuse-switch blocks can be installed inside the cabinet or positioned so that their front panels and control handles are on the outer side of the cabinet doors.
