AC/DC Power Supplies
Delta Electronics LYTE II DRL 240W Series AC/DC Power Supply
Delta's LYTE II DRL 240W Series is crafted for efficiency and reliability in industrial applications. With a universal AC input voltage range and capable of operating in constant current mode, this power supply is ideal for both inductive and capacitive loads. It operates effectively from -30°C to +70°C and features reduced no-load power consumption, adhering to the DOE VI Energy Standard and SEMI F47 compliance at 200Vac.
Features
- Universal AC input voltage range
- Built-in constant current circuit for reactive loads
- High power density
- Operate from -30°C to +70°C with -40°C Cold Start
- Reduced no-load power consumption
- Compliance with DOE VI Energy Standard
Specifications
Selection Table
Technical Illustrations
Downloads
INPUT RATINGS / CHARACTERISTICS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Nominal Input Voltage | 100-240 Vac | ||
Input Voltage Range | 90-264 Vac | ||
Nominal Input Frequency | 50-60 Hz | ||
Input Frequency Range | 47-63 Hz | ||
Input Current | 2.5 A typ. @ 115 Vac, 1.3 A typ. @ 230 Vac | ||
Efficiency at 100% Load | 86.5% typ. @ 230 Vac | 90% typ. @ 230 Vac | 90.5% typ. @ 230 Vac |
Average Efficiency (25%, 50%, 75%, 100%) |
88% typ. @ 115 Vac | 88% typ. @ 115 Vac | 88% typ. @ 115 Vac |
No Load Power Consumption | 0.15 W max @ 115 Vac & 230 Vac | 0.21 W max @ 115 Vac & 230 Vac | 0.3 W max @ 115 Vac & 230 Vac |
Max Inrush Current (Cold Start) | 40 A typ. @ 230 Vac | ||
Power Factor at 100% Load | > 0.95 @ 115 Vac & 230 Vac | ||
Leakage Current | < 0.75 mA @ 240 Vac |
OUTPUT RATINGS / CHARACTERISTICS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Nominal Output Voltage | 12 Vdc | 24 Vdc | 48 Vdc |
Factory Set Point Tolerance | 12 Vdc ± 1% | 24 Vdc ± 1% | 48 Vdc ± 1% |
Output Voltage Adjustment Range | 10.8-13.2 Vdc | 21.6-26.4 Vdc | 43.2-52.8 Vdc |
Output Current | 20.0 A | 10.0 A | 5.0 A |
Output Power | 240 W max | ||
Line Regulation | ± 0.5% @ 115 Vac & 230 Vac | ||
Load Regulation | ± 1.0% | ± 0.5% | ± 0.5% |
PARD (20MHz) | <120mVpp @ 0°C to +70°C <360mVpp @ -30°C to 0°C |
<150mVpp @ 0°C to+70°C <450mVpp @ -30°C to 0°C |
<200mVpp @ 0°C to+70°C <600mVpp @ -30°C to 0°C |
Rise Time | 30 ms typ. @ 115 Vac & 230 Vac | ||
Start-up Time | 500 ms typ. @ 115 Vac & 230 Vac | ||
Hold-up Time | 20 ms typ. @ 115 Vac (100% load) 20 ms typ. @ 230 Vac (100% load) |
||
Dynamic Response (Overshoot & Undershoot O/P Voltage) | ± 10% @ 115 Vac & 230 Vac input, 10-100% load (Slew Rate: 2.5 A/μs, 50% duty cycle @ 5 Hz & 10 kHz) |
||
Start-up with Capacitive Loads | 8,000 μF Max | 8,000 μF Max | 3,000 μF Max |
MECHANICAL | ||||
---|---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN | |
Case Cover / Chassis | SGCC / Aluminum | |||
Dimensions (H x W x D) | 123.6 x 40 x 117.2mm (4.87 x 1.57 x 4.60 inch) | |||
Unit Weight | 0.62 kg (1.37 lb) | |||
Indicator | Green LED (DC OK) | |||
Cooling System | Convection | |||
Terminal | Input | 3 Pins (Rated 300 V/30A) | ||
Output | 4 Pins (Rated 300 V / 20 A) | |||
Wire | Input | AWG 18-12 (Current rating can refer to “AWG Wire Table”) | ||
Output | AWG 18-12 (Current rating can refer to “AWG Wire Table”) | |||
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 | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN | |
Surrounding Air Temperature | Operating | -30°C to +70°C (-40°C Cold Start) | ||
Storage | -40°C to +85°C | |||
Power De-rating | Temperature | > 40°C de-rate power by 1.67 % / °C @ 115 Vac > 50°C de-rate power by 2.5 % / °C @ 230 Vac |
||
Input Voltage | 100 Vac de-rate power by 1% / Vac | |||
Operating Humidity | 20 to 90% RH (Non-Condensing) | |||
Operating Altitude | 0 to 5,000 Meters (16,400 ft.) | |||
Shock Test | >Non- Operating | IEC 60068-2-27, Half Sine Wave: 50 G for duration of 11 ms; 3 times per direction, 9 times in total |
||
Operating | IEC 60068-2-27, Half Sine Wave: 10 G for duration of 11 ms; 1 time in X axis | |||
Vibration | Non- Operating | IEC 60068-2-6, Random: 5 Hz to 500 Hz (2.09 G); 20 min per axis for all X, Y, Z direction | ||
Operating | IEC 60068-2-6, Sine Wave: 10 Hz to 500 Hz @ 19.6 m/s 2 (2 G peak); 10 min per cycle, 60 min for X direction |
|||
Over Voltage Category | II (Compliance to EN 62477-1 OVC III with 2000 meters altitude) | |||
Pollution Degree | 2 |
PROTECTIONS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Overvoltage | < 17.4 V, SELV Output, Latch Mode | < 33.6 V, SELV Output, Latch Mode | < 64.8 V, SELV Output, Latch Mode |
Overload / Overcurrent | 105 - 150% of rated load current, Auto-recovery Continuous current limit Mode (Vo > 80%) |
||
Over Temperature | Latch Mode | ||
Short Circuit | Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed) |
||
Protection Against Shock | Class I with PE connection |
RELIABILITY DATA | ||
---|---|---|
MTBF | Telcordia SR-332 |
700,000 hrs I/P: 115 Vac & 230 Vac, O/P: 100% load, Ta: 25°C |
Expected Cap Life Time | 10 years (230 Vac, 50% load @ 40°C) |
SAFETY STANDARDS / DIRECTIVES | ||
---|---|---|
Electrical Safety | CB scheme | IEC 62368-1, IEC 60950-1, IEC 61010-1 & -2-201 |
TUV Bauart | EN 62368-1, EN 61010-1 & -2-201 | |
UL/cUL | UL 62368-1 | |
BSMI | CNS14336-1 | |
EAC TP | TC 004/2011 | |
KC | K 60950-1 (24 V model only) | |
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 and Electromagnetic Compatibility Regulations 2016 | |
Galvanic Isolation | Input to Output | 3.0 KVac |
Input to Ground | 2.0 KVac | |
Input to Ground | 1.0 KVac |
EMC | |||
---|---|---|---|
Emissions (CE & RE) | CISPR 32, EN/BS EN 55032, EN/BS EN 61000-6-4, AS/NZS CISPR32, EN/BS EN 61204-3, KN 32 (24 V model only) Compliance to FCC Title 47, EN/BS EN 61000-6-3: Class B |
||
Component Power Supply for General Use |
EN/BS EN 61204-3 | ||
Immunity | EN/BS EN 55035, KN 35 (24 V model only), EN/BS EN 61000-6-2 Compliance to EN/BS EN 61000-6-1 |
||
Electrostatic Discharge | IEC 61000-4-2 | Level 4 Criteria A Air Discharge: 15 kV Contact Discharge: 8 kV |
|
Radiated Field | IEC 61000-4-3 | Criteria A 80 MHz – 1 GHz, 10 V/M, 80% Modulation (1 kHz) 1.4 GHz – 2 GHz, 3 V/M, 80% Modulation (1 kHz) 2 GHz – 2.7 GHz, 1 V/M, 80% Modulation (1 kHz) |
|
Electrical Fast Transient / Burst | IEC 61000-4-4 | Level 3 Criteria A2kV | |
Surge | IEC 61000-4-5 | Level 4 Criteria A Common Mode: 4 kV Differential Mode: 2 kV |
|
Conducted | IEC 61000-4-6 | Level 3 Criteria A 150 kHz – 80 MHz, 10 Vrms |
|
Power Frequency Magnetic Fields | IEC 61000-4-8 | Level 4 Criteria A 30 A/m | |
Voltage Dips and Interruptions | IEC 61000-4-11 | 0% residual; 1 cycle, Criteria B 40% residual; 10 cycle, Criteria C 70% residual; 25 cycle, Criteria C |
|
Harmonic Current Emission | IEC/EN/BS EN 61000-3-2, Class A | ||
Voltage Fluctuation and Flicker | IEC/EN/BS EN 61000-3-3 | ||
Voltage Sag Immunity SEMI F47 – 0706 | 80% of 200 Vac 70% of 200 Vac 50% of 200 Vac |
160 Vac, 1000 ms 140 Vac, 500 ms 100 Vac, 200 ms |
Criteria A Criteria A Criteria A |
LYTE II DIN Rail Power Supply | |||
---|---|---|---|
MODEL NUMBER | INPUT VOLTAGE RANGE | RATED OUTPUT VOLTAGE | RATED OUTPUT CURRENT |
DRL-12V240W1EN | 90-264 Vac | 12 Vdc | 20.0 A |
DRL-24V240W1EN | 24 Vdc | 10.0 A | |
DRL-48V240W1EN | 48 Vdc | 5.0 A |



INPUT RATINGS / CHARACTERISTICS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Nominal Input Voltage | 100-240 Vac | ||
Input Voltage Range | 90-264 Vac | ||
Nominal Input Frequency | 50-60 Hz | ||
Input Frequency Range | 47-63 Hz | ||
Input Current | 2.5 A typ. @ 115 Vac, 1.3 A typ. @ 230 Vac | ||
Efficiency at 100% Load | 86.5% typ. @ 230 Vac | 90% typ. @ 230 Vac | 90.5% typ. @ 230 Vac |
Average Efficiency (25%, 50%, 75%, 100%) |
88% typ. @ 115 Vac | 88% typ. @ 115 Vac | 88% typ. @ 115 Vac |
No Load Power Consumption | 0.15 W max @ 115 Vac & 230 Vac | 0.21 W max @ 115 Vac & 230 Vac | 0.3 W max @ 115 Vac & 230 Vac |
Max Inrush Current (Cold Start) | 40 A typ. @ 230 Vac | ||
Power Factor at 100% Load | > 0.95 @ 115 Vac & 230 Vac | ||
Leakage Current | < 0.75 mA @ 240 Vac |
OUTPUT RATINGS / CHARACTERISTICS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Nominal Output Voltage | 12 Vdc | 24 Vdc | 48 Vdc |
Factory Set Point Tolerance | 12 Vdc ± 1% | 24 Vdc ± 1% | 48 Vdc ± 1% |
Output Voltage Adjustment Range | 10.8-13.2 Vdc | 21.6-26.4 Vdc | 43.2-52.8 Vdc |
Output Current | 20.0 A | 10.0 A | 5.0 A |
Output Power | 240 W max | ||
Line Regulation | ± 0.5% @ 115 Vac & 230 Vac | ||
Load Regulation | ± 1.0% | ± 0.5% | ± 0.5% |
PARD (20MHz) | <120mVpp @ 0°C to +70°C <360mVpp @ -30°C to 0°C |
<150mVpp @ 0°C to+70°C <450mVpp @ -30°C to 0°C |
<200mVpp @ 0°C to+70°C <600mVpp @ -30°C to 0°C |
Rise Time | 30 ms typ. @ 115 Vac & 230 Vac | ||
Start-up Time | 500 ms typ. @ 115 Vac & 230 Vac | ||
Hold-up Time | 20 ms typ. @ 115 Vac (100% load) 20 ms typ. @ 230 Vac (100% load) |
||
Dynamic Response (Overshoot & Undershoot O/P Voltage) | ± 10% @ 115 Vac & 230 Vac input, 10-100% load (Slew Rate: 2.5 A/μs, 50% duty cycle @ 5 Hz & 10 kHz) |
||
Start-up with Capacitive Loads | 8,000 μF Max | 8,000 μF Max | 3,000 μF Max |
MECHANICAL | ||||
---|---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN | |
Case Cover / Chassis | SGCC / Aluminum | |||
Dimensions (H x W x D) | 123.6 x 40 x 117.2mm (4.87 x 1.57 x 4.60 inch) | |||
Unit Weight | 0.62 kg (1.37 lb) | |||
Indicator | Green LED (DC OK) | |||
Cooling System | Convection | |||
Terminal | Input | 3 Pins (Rated 300 V/30A) | ||
Output | 4 Pins (Rated 300 V / 20 A) | |||
Wire | Input | AWG 18-12 (Current rating can refer to “AWG Wire Table”) | ||
Output | AWG 18-12 (Current rating can refer to “AWG Wire Table”) | |||
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 | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN | |
Surrounding Air Temperature | Operating | -30°C to +70°C (-40°C Cold Start) | ||
Storage | -40°C to +85°C | |||
Power De-rating | Temperature | > 40°C de-rate power by 1.67 % / °C @ 115 Vac > 50°C de-rate power by 2.5 % / °C @ 230 Vac |
||
Input Voltage | 100 Vac de-rate power by 1% / Vac | |||
Operating Humidity | 20 to 90% RH (Non-Condensing) | |||
Operating Altitude | 0 to 5,000 Meters (16,400 ft.) | |||
Shock Test | >Non- Operating | IEC 60068-2-27, Half Sine Wave: 50 G for duration of 11 ms; 3 times per direction, 9 times in total |
||
Operating | IEC 60068-2-27, Half Sine Wave: 10 G for duration of 11 ms; 1 time in X axis | |||
Vibration | Non- Operating | IEC 60068-2-6, Random: 5 Hz to 500 Hz (2.09 G); 20 min per axis for all X, Y, Z direction | ||
Operating | IEC 60068-2-6, Sine Wave: 10 Hz to 500 Hz @ 19.6 m/s 2 (2 G peak); 10 min per cycle, 60 min for X direction |
|||
Over Voltage Category | II (Compliance to EN 62477-1 OVC III with 2000 meters altitude) | |||
Pollution Degree | 2 |
PROTECTIONS | |||
---|---|---|---|
Model Number | DRL-12V240W1EN | DRL-24V240W1EN | DRL-48V240W1EN |
Overvoltage | < 17.4 V, SELV Output, Latch Mode | < 33.6 V, SELV Output, Latch Mode | < 64.8 V, SELV Output, Latch Mode |
Overload / Overcurrent | 105 - 150% of rated load current, Auto-recovery Continuous current limit Mode (Vo > 80%) |
||
Over Temperature | Latch Mode | ||
Short Circuit | Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed) |
||
Protection Against Shock | Class I with PE connection |
RELIABILITY DATA | ||
---|---|---|
MTBF | Telcordia SR-332 |
700,000 hrs I/P: 115 Vac & 230 Vac, O/P: 100% load, Ta: 25°C |
Expected Cap Life Time | 10 years (230 Vac, 50% load @ 40°C) |
SAFETY STANDARDS / DIRECTIVES | ||
---|---|---|
Electrical Safety | CB scheme | IEC 62368-1, IEC 60950-1, IEC 61010-1 & -2-201 |
TUV Bauart | EN 62368-1, EN 61010-1 & -2-201 | |
UL/cUL | UL 62368-1 | |
BSMI | CNS14336-1 | |
EAC TP | TC 004/2011 | |
KC | K 60950-1 (24 V model only) | |
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 and Electromagnetic Compatibility Regulations 2016 | |
Galvanic Isolation | Input to Output | 3.0 KVac |
Input to Ground | 2.0 KVac | |
Input to Ground | 1.0 KVac |
EMC | |||
---|---|---|---|
Emissions (CE & RE) | CISPR 32, EN/BS EN 55032, EN/BS EN 61000-6-4, AS/NZS CISPR32, EN/BS EN 61204-3, KN 32 (24 V model only) Compliance to FCC Title 47, EN/BS EN 61000-6-3: Class B |
||
Component Power Supply for General Use |
EN/BS EN 61204-3 | ||
Immunity | EN/BS EN 55035, KN 35 (24 V model only), EN/BS EN 61000-6-2 Compliance to EN/BS EN 61000-6-1 |
||
Electrostatic Discharge | IEC 61000-4-2 | Level 4 Criteria A Air Discharge: 15 kV Contact Discharge: 8 kV |
|
Radiated Field | IEC 61000-4-3 | Criteria A 80 MHz – 1 GHz, 10 V/M, 80% Modulation (1 kHz) 1.4 GHz – 2 GHz, 3 V/M, 80% Modulation (1 kHz) 2 GHz – 2.7 GHz, 1 V/M, 80% Modulation (1 kHz) |
|
Electrical Fast Transient / Burst | IEC 61000-4-4 | Level 3 Criteria A2kV | |
Surge | IEC 61000-4-5 | Level 4 Criteria A Common Mode: 4 kV Differential Mode: 2 kV |
|
Conducted | IEC 61000-4-6 | Level 3 Criteria A 150 kHz – 80 MHz, 10 Vrms |
|
Power Frequency Magnetic Fields | IEC 61000-4-8 | Level 4 Criteria A 30 A/m | |
Voltage Dips and Interruptions | IEC 61000-4-11 | 0% residual; 1 cycle, Criteria B 40% residual; 10 cycle, Criteria C 70% residual; 25 cycle, Criteria C |
|
Harmonic Current Emission | IEC/EN/BS EN 61000-3-2, Class A | ||
Voltage Fluctuation and Flicker | IEC/EN/BS EN 61000-3-3 | ||
Voltage Sag Immunity SEMI F47 – 0706 | 80% of 200 Vac 70% of 200 Vac 50% of 200 Vac |
160 Vac, 1000 ms 140 Vac, 500 ms 100 Vac, 200 ms |
Criteria A Criteria A Criteria A |
LYTE II DIN Rail Power Supply | |||
---|---|---|---|
MODEL NUMBER | INPUT VOLTAGE RANGE | RATED OUTPUT VOLTAGE | RATED OUTPUT CURRENT |
DRL-12V240W1EN | 90-264 Vac | 12 Vdc | 20.0 A |
DRL-24V240W1EN | 24 Vdc | 10.0 A | |
DRL-48V240W1EN | 48 Vdc | 5.0 A |



Find the Right Model
Model Number | Input Voltage (Vac) | Output Voltage (Vdc) | Output Current (A) | ||
---|---|---|---|---|---|
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DRL-12V240W1EN | 90...264Vac 50/60Hz | 12Vdc | 20A | |
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DRL-24V240W1EN | 90...264Vac 50/60Hz | 24Vdc | 10A | |
![]() |
DRL-48V240W1EN | 90...264Vac 50/60Hz | 48Vdc | 5A |
Need help finding the right product model?
