Rack-mount power supply VT-380 / 48-400AS

DCregulatedsingle-output

Description
The VT-380 / 48-400AS telecom rectifier rack system features a modular design for compact rack-mounted deployment. The system is composed of rectifier modules and monitoring modules, allowing scalable power configurations to supply communication and industrial power equipment. Under normal operation the system provides load power, battery float current and battery equalization current.

Key features

• AC input voltage range: 323VAC ~ 437VAC
• DC output voltage range: 40VDC ~ 60VDC
• System size: 482 × 410 × 220 mm
• Weight: 37 kg
• Rated output capacity: 24000 W (system)
• Warranty: 2-year

Technical parameters

• Model: VT-380 / 48-400AS
• Operating temperature: -40°C ~ 55°C
• Storage temperature: -40°C ~ 70°C
• Relative humidity: ≤ 90% RH (30°C)
• Altitude: ≤ 2000 m (derating above 2000 m)
• AC input system: L＋N＋PE / 220VAC
• Input voltage range: 323VAC ~ 437VAC
• Input frequency: 45Hz ~ 65Hz
• Max input current: ≤ 74.3 A
• Power factor: ≥ 0.99
• Nominal output voltage: 48VDC
• Rated output voltage: 53.5VDC
• Rated output capacity: 24000 W (system)
• Output voltage range: 40VDC ~ 60VDC
• Output current: 0 ~ 50 A (at 48V)
• Voltage set-point accuracy: ≤ 1%
• Efficiency: ≥ 93.2%
• Output noise (pk-pk): ≤ 200 mV (0 ~ 20MHz)
• Weighted noise: ≤ 2 mV (300Hz ~ 3400Hz)
• AC input over-voltage alarm: Default 280VAC ± 5VAC
• AC input under-voltage alarm: Default 176VAC ± 5VAC
• AC input over-voltage protection recovery: Default 295VAC ± 5VAC
• AC input under-voltage protection: Default 180VAC ± 5VAC
• DC output over-voltage alarm: Default 58VDC ± 0.5VDC
• DC output under-voltage alarm: Default 45VDC ± 0.5VDC
• DC output over-voltage protection: Default 60VDC ± 0.5VDC
• LLVD: Default 44VDC ± 0.5VDC
• BLVD: Default 45VDC ± 0.5VDC
• Load sharing: modules operate in parallel, imbalance ≤ ±5% of rated output current
• Derating by input (at 45°C): 100% output at input ≥154VAC; 300W output when input <154VAC; under-voltage stop at 85VAC

Specifications

• Model: VT-380 / 48-400AS
• Nominal output voltage: 48VDC
• Rated output voltage: 53.5VDC
• Rated output capacity: 24000 W (2.4kW per module × system configuration)
• AC input range: 323VAC ~ 437VAC
• Efficiency: ≥ 93.2%
• Dimensions: 482 × 410 × 220 mm
• Weight: 37 kg
• Operating temperature: -40°C ~ 55°C
• Warranty: 2-year