Kewell EVD-250-1000 High Precision Bidirectional DC Power Supply (600A, 416V, 250W)

Rated Power[kW]: 250

Rated Current[A]: 600

Rated Voltage[V]: 416

Peak Power(60s) [kW]: 350

Peak Current(60s) [A]: 840

Voltage Range[V]: 24-1000

Input Requirement:

Phase: 3φ3W+PE

Voltage: 380V±15%

Frequency: 50Hz±5Hz

Output Characteristic:

Voltage Precision: ±(0.1%•FS+5dgt)

Current Precision: ±(0.1%•FS+5dgt)

Response Time: ≤3ms (10%-90% sudden loading)

Switching Time: ≤6ms (+90%~-90%)

Voltage Ripple (rms): ≤0.2%•FS

Load Regulation: 0.1%•FS

Protection: OVP/OCP/OTP/Phase loss/Emergency stop etc.

Communication Interfaces:

Local Interface: LCD

Remote Comms: RS485/LAN/CAN

Others: External emergency stop/Fault signal/Voltage compensation

Safety & Ambient Conditions:

Insulation Resistance: ≥20MΩ (500Vdc)

Voltage Withstand: 2000Vdc (60s, no arcing/breakdown)

Ground Resistance: ≤0.1Ω

Protection Level: IP21 (indoor)

Cooling: Fan cooling

Ambient Temperature: -10~40℃

Relative Humidity: 0-90%RH (non-condensing at 25℃)

Altitude: ≤2000m