Features

●   19 "3U rack for easy full embedding;

●   Standard telecommunication equipment;

●   Up to 12000VA system capacity;

●   Intelligent fan cooling;

●   N+1 inverter module redundancy;

●   High power density;

●   Advanced electrical isolation technology;

●   Rich human-machine interface;

●   Optional working state (power supply priority, inverter priority);

●   Backup design, switching time <3ms in mains priority mode.

Applications

●   Wireless communication;

●   Broadband and Internet access;

●   Satellite communications ground station;

●   3G/4G/5G base stations;

●   Telecommunication roadside cabinet.

AC Input

●   Bypass voltage: 176～264VAC

●   Rated current: 55A

DC Input

●   DC voltage: 42～58VDC (Nominal 48VDC)

●   Max. input current: 321A

●   Low voltage cut off: 42VDC

Output

●   Rated voltage: 220VAC±5%

●   Rated power: 12000VA

●   Output: Sine wave

●   Frequency: 50Hz±1%

●   Overload capacity: 150% for 10 sec

●   Power factor: 0.8

●   Output efficiency: ≥89%

●   THDi: <3% (Resistive load)

●   Crest Factor: 3:1

Other Specifications

●   Operating temp: -25℃～45℃

●   Storage temp: -25℃～70℃

●   Relative humidity: ≤95％

●   IP level: IP20

●   Cooling: Intelligent air cooling

●   Noise: ≤55dB

●   Altitude: 2500m (>2500m, derating use)

●   Dimensions (W*H*D): 19''x 3U x 400 (mm)

●   Weight: 15kg

Options

●   Alarm: Output current limit, short circuit protection, over temperature

●   Output protection: over temperature protection, short circuit protection, overvoltage/undervoltage protection, overcurrent  protection

●   Inverter: DKD33-220/3000

Monitoring

●   Function: Operation information acquirements, system alarm, communicate with control center related ports

●   Controller: DKD56

●   Dry contact: 2 relay outputs

●   Interface: LCD