Nortel NT6D40AB | Meridian Peripheral Equipment DC Power Supply

Technical Specifications:
- Input Voltage: 48V DC
- Output Voltage: -54.5V DC
- Output Power: 400W
- Efficiency: 85%
- Operating Temperature: -40°C to 75°C
- Storage Temperature: -40°C to 85°C
- Dimensions: 1.75" x 19" x 11"
- Weight: 6.6 lbs
- Overvoltage Protection: 60V DC
- Overcurrent Protection: 25A
- MTBF: 200,000 hours
- Cooling: Fan

Helpful Notes:
1. The NT6D40AB is compatible with Nortel Meridian 1 PBX systems.
2. This power supply is designed for use in a DC power plant environment.
3. It is recommended to use a qualified technician for installation and maintenance.