AC/DC Power Supplies

Delta Electronics LYTE II DRL 480W Series AC/DC Power Supply

Delta's LYTE II DRL 480W Series offer enhanced power output without compromising on efficiency or reliability. Suitable for a range of industrial applications, it features a built-in constant current circuit ideal for capacitive and inductive loads, operates efficiently from -30°C to +70°C, and meets the most stringent energy standards to ensure...

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Delta's LYTE II DRL 480W Series offer enhanced power output without compromising on efficiency or reliability. Suitable for a range of industrial applications, it features a built-in constant current circuit ideal for capacitive and inductive loads, operates efficiently from -30°C to +70°C, and meets the most stringent energy standards to ensure optimal performance.

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Delta Electronics DRL-24V480W1EN DIN RAIL LYTE II SERIES AC/DC PSU
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
  • Slim type design
  • Reduced no-load power consumption
  • Compliance to SEMI F47 @ 200 Vac
Specifications
INPUT RATINGS/CHARACTERISTICS
Model Number DRL-24V480W1EN DRL-48V480W1EN
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 4.7 A typ. @ 115 Vac 2.4 A typ. @ 230 Vac
Efficiency at 100% Load 93.0% typ. @ 230 Vac 93.5% typ. @ 230 Vac
Average Efficiency
(25%, 50%, 75%, 100%)		 91.5% typ. @ 115 Vac 91.5% typ. @ 115 Vac
No Load Power Consumption 0.75 W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start) 40 A typ. @ 230 Vac
Power Factor at 100% Load > 0.96 @ 115 Vac & > 0.93 @ 230 Vac
Leakage Current < 1.5 mA @ 240 Vac
OUTPUT RATINGS/CHARACTERISTICS
Model Number DRL-24V480W1EN DRL-48V480W1EN
Nominal Output Voltage 24 Vdc 48 Vdc
Factory Set Point Tolerance 24 Vdc ± 1% 48 Vdc ± 1%
Output Voltage Adjustment Range 24-28 Vdc 48-55 Vdc
Output Current 0-20.0 A 0-10.0 A
Output Power 480 W max
Line Regulation ± 0.5% @ 115 Vac & 230 Vac
Load Regulation ± 0.5% ± 0.5%
PARD (20MHz) < 150 mVpp @ 0°C to +70°C
< 450 mVpp @ -30°C to 0°C		 < 200 mVpp @ 0°C to +70°C
< 600 mVpp @ -30°C to 0°C
Rise Time 30 ms typ. @ 115 Vac & 230 Vac
Start-up Time 500 ms typ. @ 115 Vac & 230 Vac (24 V)
800 ms typ. @ 115 Vac & 230 Vac (48 V)
Hold-up Time 25 ms typ. @ 115 Vac & 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 3,000 μF Max
MECHANICAL
Model Number DRL-24V480W1EN DRL-48V480W1EN
Case Cover / Chassis Aluminum
Dimensions (H x W x D) 123.6 x 56 x 116.8 mm
(4.87 x 2.2 x 4.60 inch)
Unit Weight 0.87 kg (1.91 lb)
Indicator Green LED DC OK
Cooling System Convection
Terminal Input 3 Pins (Rated300V/30A)
  Output 4 Pins (Rated 300V/30 A)
Wire Input AWG 14-12 (Current rating can refer to “AWG Wire Table”)
  Output AWG 14-12 (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-24V480W1EN DRL-48V480W1EN
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 < 100Vac 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; 3 G peak;
60 min per axis for all X, Y, Z directions
Over Voltage Category II (Compliance to EN 62477-1 OVC III with 2000 meters altitude)
Pollution Degree 2
PROTECTIONS
Model Number DRL-24V480W1EN DRL-48V480W1EN
Overvoltage <34.0 V, SELV Output, Latch Mode <68.0 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/BS 61010-1/-2-201
  UL/cUL UL 62368-1, UL 61010-1/-2-201
  BSMI CNS14336-1
  EAC TP TC 004/2011
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 55035, KS C 9835, EN/BS 61000-6-2
Compliance to EN/BS 61000-6-1
Electrostatic Discharge IEC 61000-4-2 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 – 6 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 A 2kV
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 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
Selection Table
LYTE II DIN RAIL POWER SUPPLY
MODEL NUMBER INPUT VOLTAGE RANGE RATED OUTPUT VOLTAGE RATED OUTPUT CURRENT
DRL-24V480W1EN 90-264 Vac 24 Vdc 20.0 A
DRL-48V480W1EN 48 Vdc 10.0 A
Technical Drawings
Diagram of a LYTE II DIN rail power supply, showing dimensions. Diagram of a power supply unit mounted on a DIN rail.
Downloads
LYTE_II_Datasheet_DRL-480W1EN.pdf
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.

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