AC/DC Power Supplies
Delta Electronics Sync DRS-24V30W1AZ AC/DC Power Supply
The Delta Electronics Sync Series DRS-24V30W1AZ is an ultra-compact 24 Vdc DIN-rail power supply designed for industrial applications where space and reliability are critical. Delivering 24 Vdc at 1.25 A (30 W), this single-phase AC/DC power supply features a slim 21 mm width, allowing higher component density in control cabinets. It supports a ...
Read MoreThe Delta Electronics Sync Series DRS-24V30W1AZ is an ultra-compact 24 Vdc DIN-rail power supply designed for industrial applications where space and reliability are critical.
Delivering 24 Vdc at 1.25 A (30 W), this single-phase AC/DC power supply features a slim 21 mm width, allowing higher component density in control cabinets. It supports a wide 85–264 Vac input range, operates efficiently up to 88%, and provides full power operation up to 55°C ambient temperature.
Certified to NEC Class 2 / Limited Power Source (LPS) requirements, the Sync Series is ideal for applications requiring safe, low-power distribution with robust protection against overload, short circuit, over-temperature, and over-voltage conditions.
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Features
- Compact DIN rail design with reinforced isolation. Ultra compact footprint with galvanic isolation rated up to 3.0 kVac between input and output, suitable for dense control panels and safety-critical circuits
- Wide input voltage with reliable operation in harsh environments. Supports universal AC input and delivers full rated output across a broad operating temperature range from -10°C to +55°C, making it well suited to industrial cabinets and field installations
- High efficiency for reduced heat and energy loss. Delivers efficiency of up to 88 percent, helping minimise heat build-up inside enclosures and improving long-term reliability
- Low earth leakage for sensitive installations. Designed with earth leakage current below 0.5 mA at 240 Vac, supporting compliance in installations with strict leakage limits
- NEC Class 2 and Limited Power Source compliant. Certified to NEC Class 2 and LPS requirements, simplifying approval for control, automation, and safety-related applications
- Comprehensive built-in protection. Integrated overvoltage, overcurrent, and overtemperature protection helps safeguard connected loads and reduce downtime
Specifications
| INPUT RATINGS/CHARACTERISTICS | ||
|---|---|---|
| Model Number | DRS-24V30W1AZ | |
| Nominal Input Voltage | 100-240 Vac | |
| Input Voltage Range | 85-264 Vac | |
| Nominal Input Frequency | 50...60 Hz | |
| Input Frequency Range | 47...63 Hz | |
| Input Current | < 0.80 A @ 115 Vac, < 0.40 A @ 230 Vac | |
| Efficiency at 100% Load | 88.0% typ. @ 230 Vac | |
| Max. Power Dissipation | No load | < 0.5 W @ 115 Vac & 230 Vac |
| 100% load | < 2.5 W @ 115 Vac & 230 Vac | |
| Max Inrush Current (Cold Start) | 20 A typ. @ 3 x 400 Vac, 25 A typ, @ 3 x 500 Vac | |
| Power Factor at 100% Load | < 30 A @ 115 Vac ,< 60 A @ 230 Vac | |
| Leakage Current | < 0.5 mA @ 240 Vac | |
| OUTPUT RATINGS/CHARACTERISTICS* | |
|---|---|
| Model Number | DRS-24V30W1AZ |
| Nominal Output Voltage | 24 Vdc |
| Factory Set Point Tolerance | 24 Vdc ± 1% |
| Output Voltage Adjustment Range | 21.6-26.4 Vdc |
| Output Current | 1.25 A (30 W max.) |
| Output Power | 30 W |
| Line Regulation | < 1% typ. (@ 85-264 Vac, 100% load) |
| Load Regulation | < 1% typ. (@ 85-264 Vac, 0-100% load) |
| PARD** (20MHz) | < 150 mVpp @ > 0°C to 70°C < 500 mVpp @ 0°C to -20°C |
| Rise Time | < 50 ms @ nominal input (100% load) |
| Start-up Time | < 3,000 ms @ 115 Vac (100% load) < 1,600 ms @ 230 Vac (100% load) |
| Hold-up Time | > 20 ms @ 230 Vac (100% load) |
| Dynamic Response (Overshoot & Undershoot O/P Voltage) | ± 5% @ 85-264 Vac input, 0-50% load, 50-100% (Slew Rate: 0.1 A/μs, 50% duty cycle @ 5 Hz to 100 Hz) |
| Start-up with Capacitive Loads | 3,000 μF Max |
| *For power de-rating from < -10°C to -20°C, and 55°C to 70°C, see power de-rating on page 3. **PARD is measured with an AC coupling mode, 5 cm wires, and in parallel with 0.1 μF ceramic capacitor & 47 μF electrolytic capacitor. |
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| MECHANICAL | ||||
|---|---|---|---|---|
| Model Number | DRS-24V30W1AZ | |||
| Case Cover / Chassis | Plastic | |||
| Dimensions (H x W x D) | 75 x 21 x 89.5 mm (2.95 x 0.83 x 3.52 inch) | |||
| Unit Weight | 0.10 kg (0.22 lb) | |||
| Indicator | Green LED | DC OK | ||
| Cooling System | Convection | |||
| Terminal | Input | 3 Pins (Rated 300 V/16 A) | ||
| Output | 2 Pins (Rated 300 V/16 A) | |||
| Wire | Input / Output | AWG 26-12 | ||
| Mounting Rail | Standard TS35 DIN Rail in accordance with EN 60715 | |||
| Noise (1 Meter from power supply) | Sound Pressure Level (SPL) < 25 dBA | |||
| ENVIRONMENT | ||||
|---|---|---|---|---|
| Model Number | DRS-24V30W1AZ | |||
| Surrounding Air Temperature | Operating | -20°C to +70°C | ||
| Storage | -40°C to +85°C | |||
| Power De-rating | Temperature | -10°C to -20°C de-rate power by 5% / °C > 55°C de-rate power by 3.33% / °C |
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| Operating Humidity | 5 to 95% RH (Non-Condensing) | |||
| Operating Altitude | 0 to 2,000 Meters (6,560 ft.) | |||
| Shock Test | Non- Operating | IEC60068-2-27, Half Sine Wave: 50 G for a duration of 11 ms, 3 times per direction | ||
| Operating | IEC 60068-2-27, Half Sine Wave: 10 G for a duration of 11 ms, 1 shock for X direction | |||
| Vibration | Non- Operating | IEC 60068-2-6, Random: 5-500 Hz; 2.09 Grms, 20 min per axis for all X, Y, Z directions | ||
| Operating | IEC 60068-2-6, Sine Wave: 10-500 Hz @ 19.6 m/S² (2G peak); 10 min per cycle, 60 min for X direction | |||
| Over Voltage Category | II | |||
| Pollution Degree | 2 | |||
| PROTECTIONS | |
|---|---|
| Model Number | DRS-24V30W1AZ |
| Overvoltage | < 34.8 V, SELV Output, Auto-Recovery |
| Overload / Overcurrent | 110-150% of rated load current, Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed) |
| Over Temperature | Auto-Recovery |
| Short Circuit | Auto-Recovery when the fault is removed |
| Internal Fuse at L pin | T3.15A |
| Degree of Protection | IP20 |
| Protection Against Shock | Class I with PE* connection |
| *PE: Primary Earth | |
| RELIABILITY DATA | ||
|---|---|---|
| Model Number | DRS-24V30W1AZ | |
| MTBF | Telcordia SR-332 |
> 700,000 hrs, I/P: 100 Vac, O/P: 100% load, Ta: 25°C |
| Expected Cap Life Time | 10 years (230 Vac, 50% load @ 40°C) | |
| SAFETY STANDARDS/DIRECTIVES | ||
|---|---|---|
| Model Number | DRS-24V30W1AZ | |
| Safety Entry Low Voltage | SELV (IEC 60950) | |
| Electrical Safety | TUV Bauart | EN 60950-1 |
| UL/cUL recognized | UL 60950-1, CSA C22.2 No. 60950-1(File No. E131881) | |
| CB Scheme | IEC 60950-1, Limited Power Source (LPS) | |
| Industrial Control Equipment | UL/cUL listed | UL 508 and CSA C22.2 No. 107.1-01 (File No. E338991) |
| Class 2 Power Supply | UL/cUL recognized | UL 60950-1, CSA C22.2 No. 60950-1(File No. E131881) |
| CE | In conformance with EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU | |
| UKCA | In conformance with Electrical Equipment (Safety) Regulations 2016 No. 1011 and The Electromagnetic Compatibility Regulations 2016 No. 1091 |
|
| Galvanic Isolation | Input to Output | 3.0 KVac |
| Input to Ground | 1.5 KVac | |
| Output to Ground | 0.5 KVac | |
| EMC | ||||
|---|---|---|---|---|
| Model Number | DRS-24V30W1AZ | |||
| Emissions (CE & RE) | Generic Standards: EN/BS EN 61000-6-3, EN/BS EN 61000-6-4 CISPR 32, EN/BS EN 55032, FCC Title 47: Class B | |||
| Immunity | Generic Standards: EN/BS EN 55024 | |||
| Electrostatic Discharge | IEC 61000-4-2 |
Criteria A¹⁾ Air Discharge: 8 kV(Level 3)
|
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| Radiated Field | IEC 61000-4-3 |
Level 3 Criteria A¹⁾
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| Electrical Fast Transient / Burst | IEC 61000-4-4 |
Level 3 Criteria A¹⁾ 4 kV |
||
| Surge | IEC 61000-4-5 |
Level 4 Criteria A¹⁾ Common Mode²⁾: 4 kV |
||
| Conducted | IEC 61000-4-6 | Level 3 Criteria A¹⁾ 150 kHz – 80 MHz, 10 Vrms |
||
| Power Frequency Magnetic Fields | IEC 61000-4-8 | Criteria A¹⁾ 1 A/meter |
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| Voltage Dips and Interruptions | IEC 61000-4-11 | > 100% dip; 1 cycle (20 ms) | ||
| Voltage Fluctuation and Flicker | IEC/EN/BS EN 61000-3-3 | |||
| 1) Criteria A: Normal performance within the specification limits 2) Asymmetrical: Common mode (Line to earth) 3) Symmetrical: Differential mode (Line to line) |
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Technical Drawings
Warranty & Returns
Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.