Force-GT DIN Rail Power Supply
24 V 960 W 3 Phase / DRF-24V960W3GBA
TECHNICAL DATASHEET
All parameters are specified at 25°C ambient and AC input
3x unless otherwise indicated.
www.DeltaPSU.com (May 2022, Rev. 00)
2
Specifications
Input Ratings / Characteristics
Nominal Input Voltage
3 x 380-500 Vac
Input Voltage Range
3 x 320-575 Vac (3-Phase) or 2 x 340-575 Vac (2-Phase)
*1
Nominal Input Frequency
50-60 Hz
Input Frequency Range
47-63 Hz
DC Input Voltage Range
*2
450-800 Vdc
Input Current
< 1.65 A @ 3 x 400 Vac, < 1.35 A @ 3 x 500 Vac
Efficiency at 100% Load
94.5% typ. @ 3 x 400 Vac & 3 x 500 Vac
Average Efficiency
(25%, 50%, 75%, 100%)
94.0% typ. @ 3 x 400 Vac & 3 x 500 Vac
Max Power Dissipation
0% load < 7.0 W @ 3 x 400 Vac & 3 x 500 Vac
100% load < 55.0 W @ 3 x 400 Vac & 3 x 500 Vac
Max Inrush Current (Cold Start)
35 A typ. @ 3 x 400 Vac & 3 x 500 Vac
Power Factor at 100% Load
> 0.90 @ 3 x 400 Vac & 3 x 500 Vac
Leakage Current
< 3.5 mA @ 3 x 500 Vac
*1 For 2-Phase input, see power de-rating on page 3.
*2 Power supply can operate at DC input.
Output Ratings / Characteristics
*3
Nominal Output Voltage
24 Vdc
Factory Set Point Tolerance
24 Vdc ± 2%
Output Voltage Adjustment Range
24-28 Vdc
Output Current
0-40.0 A
Output Power
960 W max
Line Regulation
< 40 mV (@ 3 x 320-575 Vac input, 100% load)
Load Regulation
< 250 mV (@ 3 x 320-575 Vac input, 0-100% load)
PARD
*4
(20 MHz)
< 200 mVpp
Rise Time
85 ms typ. @ nominal input (100% load)
Start-up Time
2,000 ms typ. @ nominal input (100% load
)
Hold-up Time
20 ms typ. @ 3 x 400 Vac & 500 Vac (100% load)
Dynamic Response
(Overshoot & Undershoot O/P Voltage)
± 5% @ 3 x 320-575 Vac input, 5-100% load
(Slew Rate: 0.1
A/μs, 50% duty cycle @ 5
Hz to 1 kHz)
Start-up with Capacitive Loads
20,000 µF Max
Functional
DC OK Relay Contact Rated: 30 V at 1 A, resistive load. Refer to the details in the
Function section at DC OK Relay Contacts and LED Indicator
Characteristics on page 11.
*3 For power de-rating from 55°C to 70°C, see power de-rating on page 3.
*4
PARD is measured with an AC coupling mode, 5 cm wires, and in parallel to end terminal with 0.1 μF ceramic capacitor & 47 μF
electrolytic capacitor.
