CHROMA 63804 Programmable AC & DC Electronic Load (4500W)

General specifications

Power: 4500W

Current: 0 ~ 45 Arms (135A peak, continuous)

Voltage: 50 ~ 350 Vrms (500V peak)

Frequency: 45 ~ 440 Hz, DC

AC Section

Constant Current (CC) mode

Current range: 0 ~ 45 Arms, programmable

Accuracy: 0.1% + 0.2% F.S.

Resolution: 2 mA

Constant Resistance (CR) mode

Resistance range: 1.11Ω ~ 2.5 kΩ, programmable

Accuracy: 0.5% + 0.5% F.S.

Resolution: 50 µS

Constant Power (CP) mode

Power range: 4500W (programmable)

Accuracy: 0.2% + 0.3% F.S.

Resolution: 1.125W

DC Section

- Voltage range: 7.5V ~ 500V

- Current range: 0 ~ 45A

- Minimum operating voltage: 7.5V

- Response time: 75 µs

- Operating modes: CC, CV, CR, CP, DC Rectified

Short-circuit simulation: CR mode at maximum power

Measurement Section

Voltage measurement

Range: 350 Vrms (500 Vpeak)

Accuracy: 0.1% + 0.1% F.S.

Resolution: 10 mV

Current measurement

Range: 45 Arms (200A peak)

Accuracy (<70 Hz): 0.1% + 0.2% full scale

Accuracy (>70 Hz): 0.1% (1 + CF² × kHz) + 0.2% full scale

Resolution: 1.0 mA

Other parameters: P (W), S (VA), Q (VAR), CF, PF, Freq, R, Ip-, Ip+, THDv

Others

Voltage monitoring output: ±500V / ±10V (isolated)

Current monitoring output: ±200A / ±10V (isolated)

Protection

OCP (Over Current Protection): 48 Arms

OV alarm: 360 Vrms (DC: 510 VDC)

OPP (Over Power Protection): 4800W

OTP (Over Temperature Protection)

Control interfaces: GPIB, RS-232

Power supply

Single phase 100~115 Vac ±10%, 47~63 Hz

Single phase 200~230 Vac ±10%, 47~63 Hz

Dimensions (H x W x D): 310 x 440 x 595 mm / 12.2 x 17.32 x 23.42 inch

Weight: 66 kg / 145.5 lbs

Standard accessories: Main unit

Datasheet