Eltek 241114.100 Flatpack2 48/1500 Rectifier 48V 1500W

Technical Specifications

1. AC Input

• Nominal Input Voltage: 230 VAC
• Operating Input Range: 85 – 300 VAC (185–275 VAC rated operating window)
• Input Frequency: 45 – 66 Hz
• Max Input Current @ 230 VAC Full Load: 11.6 A
• Internal input fuse, integrated surge & lightning protection

2. DC Output

• Rated Output Power: 1500 W
• Rated Output Voltage: 48 VDC
• Max Output Current: 31 A
• Default Float Voltage: 53.5 VDC
• Adjustable Output Voltage Range: 42.0 VDC ~ 57.6 VDC
• Static Voltage Regulation Accuracy: ±0.5% (10% – 100% load)
• Output Ripple & Noise: < 250 mVpp
• Active automatic current sharing for parallel modules
• Constant current limiting under short-circuit condition, auto-recovery after fault removal

3. Efficiency & Thermal Performance

• Peak Efficiency: ≥ 93%
• Typical efficiency: over 92% at 40% ~ 90% load
• Cooling: Temperature-controlled variable-speed dual convection fans
• Audible Noise: < 55 dBA at 30°C full load
• Fan MTBF: > 200,000 hours (per Telcordia SR-332)

4. Environmental Ratings

• Operating Temperature: -40°C ~ +75°C
  • Full 1500W output: -40°C ~ +55°C
  • Automatic power derating above +55°C
• Storage Temperature: -40°C ~ +85°C
• Relative Humidity: 5% ~ 95% RH, non-condensing
• Isolation withstand voltage: 3 kV AC between input and output

5. Mechanical Dimensions

• Size (W × H × D): 109 mm × 41.5 mm × 327 mm
• Net Weight: 1.95 kg
• Form Factor: Standard 1U Flatpack2 rack slot, hot-swappable

6. Indicator & Communication

• Front panel 3-colour LED status indicators:
  • Green OK: Normal operation
  • Yellow WARN: Minor warnings (high temp, low fan speed, input undervoltage, current limiting)
  • Red FAULT: Critical shutdown faults (OVP, short circuit, fan failure, over-temperature lockout)
• Communication Interface: CAN bus, compatible with Smartpack2 controller, supports SNMP remote network management

7. Full Protection Functions

• Output Overvoltage Protection (OVP) with latch shutdown
• Short-circuit constant current limiting, auto recovery
• Over-temperature protection (derating first, full shutdown at extreme temperature)
• AC input under/over voltage lockout
• Fan failure detection & shutdown
• Reverse polarity protection, surge suppression