Delta DRF-24V960W3GBA 24V 960W DIN Rail Power Supply
The Delta DRF-24V960W3GBA DIN Rail Power Supply is designed for high-capacity DC power delivery in industrial automation systems requiring stable 24V output. It delivers 960W output with 24V voltage and 40A current, making it suitable for heavy-load control panels, automation lines, and industrial equipment. The unit operates on 3-phase input with a wide voltage range of 320–575 VAC and achieves efficiency up to 94.5% at full load. It also supports adjustable output voltage from 24 to 28 VDC, ensuring flexibility in system design. As part of Delta automation solutions, it belongs to the industrial power supply range used in DIN rail-based industrial applications.
| Brand | Delta |
| Product Type | SMPS |
| Product | DRF-24V960W3GBA |
Delta 40A 24V DIN Rail Power Supply DRF-24V960W3GBA Technical Specifications:
| Specification | Value |
|---|---|
| Output Current | 40A |
| Output Voltage | 24V |
| Output Voltage Adjustment Range | 24-28 Vdc |
| Output Power | 960W |
| 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 | < 200 mVpp |
| 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 |
| Rise Time | 85 ms typ. @ nominal input (100% load) |
| 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) |
| Nominal Input Frequency | 50-60 Hz |
| Input Frequency Range | 47-63Hz |
| DC Input Voltage Range | 450-800 Vdc |
| Input Current | < 1.65 A @ 3 x 400 Vac, < 1.35 A @ 3 x 500 Vac |
| Input Power (Standby Mode) | - |
| Efficiency at 100% load | 94.5% typ. @ 3 x 400 Vac & 3 x 500 Vac |
| Inrush Current | 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 |
| Case Chassis / Cover | Aluminum |
| Indicator | Green LED DC OK |
| Cooling System | Convection |
| Input Terminal | 4 Pins (Rated 600 V / 30 A) |
| Output Terminal | 4 Pins (Rated 300 V / 65 A) |
| Signal Terminal | 2 Pins (Rated 300 V / 12 A) |
| Noise Sound Pressure Level (SPL) | < 25dBA |
The Delta DRF-24V960W3GBA power supply is built to deliver stable and efficient DC output in systems that require high current handling and continuous operation. It supports industrial environments where a reliable 24V DC supply is essential for maintaining performance across multiple connected devices. Its DIN rail mounting design allows structured installation inside control panels while supporting organized power distribution.
In operation, the unit maintains stable output through low ripple and controlled regulation, ensuring consistent performance under varying load conditions. The convection cooling design enables silent operation without external fans, while the aluminum enclosure supports effective heat dissipation. Features such as strong dynamic response, high power factor, and high efficiency improve system reliability in demanding environments.
From an application perspective, the Delta DRF-24V960W3GBA aligns with systems requiring high output current, stable voltage control, and flexible installation across different setups. Its ability to operate across wide temperature ranges, high altitude conditions, and varying input configurations ensures compatibility with industrial requirements. This connection between power capacity, durability, and installation flexibility makes it a practical solution within the Delta SMPS category.
