2.5 kVA Inverter

2.5 kVA, 110V DC / 230V AC Natural Cooled Inverter
Specification No. RDSO/PE/SPEC/TL/0132-2009 (Rev-0)
Description:
- A 2.5 kVA inverter that converts 110 V DC from the coach battery into regulated 230 V single-phase AC.
- Supplies power for passenger amenities such as 1.5-ton AC, fans, lights, mobile charging sockets, and other auxiliary devices.
- Underslung type (mounted below the coach underframe) for optimal space utilization.
- Naturally cooled with robust safety features, delivering pure sine-wave output for reliable operation.
- Developed as per RDSO specification RDSO/PE/SPEC/TL/0132-2009 (Rev-0), ensuring uniformity, safety, and reliability across Indian Railways.
Technical Specifications :
| Parameter | Specification |
|---|---|
| Capacity | |
| Rated Capacity | 2.5 kVA |
| Input | |
| Nominal Voltage | 110 V DC |
| Operating Range | 90–140 V DC with 15% ripple; withstands 200 V DC for 2 min |
| Output | |
| Output Voltage | 230 V AC ± 5% (sine wave) |
| Frequency | 50 Hz |
| Efficiency | ≥ 80% at 200W load; ≥ 90% at full load |
| Ripple Content | Less than 3% |
| Protections | |
| Overload | 30A for 500 ms |
| Self-reset Feature | Restarts automatically when trip condition is normalized |
| IP Protection | IP-65 (underslung cubicle), IP-23 (on-board cubicle) |
| Short Circuit | Trip protection provided |
| Isolation | Galvanic isolation provided |
| Construction | |
| Enclosure | 2 mm thick SS 304 enclosure |
| Overall Dimensions | Length: 650 mm × Depth: 600 mm × Height: 375 mm |
| Mounting | 575 × 525 mm |
| Weight | Less than 50 kg |
| Cooling | Natural air cooled |
