Delta Electronics FORCE GT 480W 1-Phase Series AC/DC Power Supply

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AC/DC Power Supplies

Delta Electronics FORCE GT 480W 1-Phase Series AC/DC Power Supply

The Delta Force-GT DRF-480W Series DIN rail power supplies are designed as a high-specification industrial power solution, positioned alongside leading European and Japanese brands such as Phoenix Contact, Weidmüller, TDK Lambda, and PULS. Delivering a full 480 W output in 24 V and 48 Vdc versions, the series combines high efficiency up to 95%, advanced EMC performance, low conducted emissions, and surge immunity up to 6 kV when used with SPD protection.

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Features

Wide Universal Input: 90...264Vac or 127...375Vdc
Broad operating temperature range of -40°C to +70°C with derating
Integrated constant current mode, enabling reliable performance in both load supply and charging applications
Conformal-coated PCB assemblies protect against dust, moisture, and pollutants common in industrial settings
Built-in DC OK relay and LED indicator provide clear status feedback for system monitoring and diagnostics
Comparable in performance to leading European and Japanese brands, offering cost-effective alternatives

Specifications

INPUT RATINGS/CHARACTERISTICS
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Input Voltage	100...240 Vac
Input Voltage Range	90...264 Vac
Nominal Input Frequency	50...60 Hz
Input Frequency Range	47...63 Hz
DC Input Voltage Range*¹	127...375 Vdc
Input Current	4.7A typ. @ 115 Vac, 2.4A typ. @ 230 Vac
Efficiency at 100% Load	95% typ. @ 230 Vac
Average Efficiency (25%, 50%, 75%, 100%)	91.5% typ. @ 115 Vac
No Load Power Consumption	0.75W max @ 115 Vac & 230 Vac	1W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start)	40A typ. @ 230 Vac
Power Factor at 100% Load	> 0.96 @ 115 Vac & > 0.93 @ 230 Vac
Leakage Current	< 1.5 mA @ 240 Vac
*1 Power Supply can operate at DC Input voltage, please connect +pole to L, -pole to N and PE terminal to an earth wire or to the machine ground.

OUTPUT RATINGS/CHARACTERISTICS*²
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Output Voltage	24 Vdc	48 Vdc
Factory Set Point Tolerance	24 Vdc ± 1%	48 Vdc ± 1%
Output Voltage Adjustment Range	24...28Vdc	48...55Vdc
Output Current	0 - 20.0A	0 - 10.0A
Output Power	480W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 0.5%	± 0.5%
PARD*³ (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 150 mVpp @ 0°C to +70°C < 450 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 (12 V & 24 V) 800 ms typ. @ 115 Vac & 230 Vac (48 V)
Start-up Time
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	10,000 μF Max	5,000 μF Max
DC OK Relay Contact	30 V / 1 A The relay contact are normally “ON” (closed) when the output (Vout) is greater than 90% typ. of its rated value.
2 For power will be de-rating from 60°C to 70°C, and Vin < 100 Vac, see Engineering Data power de-rating information. 3 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. PSU need to burn in around 5 minutes when AMB ≤ 0°C

OUTPUT RATINGS/CHARACTERISTICS*²
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Output Voltage	24 Vdc	48 Vdc
Factory Set Point Tolerance	24 Vdc ± 1%	48 Vdc ± 1%
Output Voltage Adjustment Range	24...28Vdc	48...55Vdc
Output Current	0 - 20.0A	0 - 10.0A
Output Power	480W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 0.5%	± 0.5%
PARD*³ (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 150 mVpp @ 0°C to +70°C < 450 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 (12 V & 24 V) 800 ms typ. @ 115 Vac & 230 Vac (48 V)
Start-up Time
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	10,000 μF Max	5,000 μF Max
DC OK Relay Contact	30 V / 1 A The relay contact are normally “ON” (closed) when the output (Vout) is greater than 90% typ. of its rated value.
2 For power will be de-rating from 60°C to 70°C, and Vin < 100 Vac, see Engineering Data power de-rating information. 3 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. PSU need to burn in around 5 minutes when AMB ≤ 0°C

ENVIRONMENT
Model Number		DRF-24V480W1GBA	DRF-48V480W1GBA
Surrounding Air Temperature	Operating	-40°C to +70°C
	Storage	-40°C to +85°C
Power De-rating	Temperature	> 60°C de-rate power by 2.5 % / °C
	Input Voltage	< 100 Vac de-rate power by 1% / Vac
Operating Humidity		5 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
Vibration	Operating	IEC 60068-2-6, Sine Wave: 10 Hz to 500 Hz; 4 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	DRF-24V480W1GBA	DRF-48V480W1GBA
Overvoltage	<34 V, SELV Output, DRF-24V480W1GBA: Latch Mode DRF-24V480W1GBAV: Auto-recovery Mode	<68 V, SELV Output, Latch Mode
Overload / Overcurrent	105 - 150% of rated load current, Auto-recovery Continuous current limit Mode*⁵ (Vo > 80%)
Over Temperature	Latch Mode
Short Circuit	Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed)
Internal Fust at L pin	T10 A / 250 V
Protection Against Shock	Class I with PE*⁶ connection
5 Constant current limit protection for inductive and capacitive load applications 6 PE: Primary Earth

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 @ 50°C)

SAFETY STANDARDS/DIRECTIVES
Electrical Safety	CB scheme	IEC 62368-1, IEC 60950-1, IEC 61010-1/-2-201
	TUV Bauart	EN/BS EN 62368-1, EN/BS EN 61010-1/-2-201
	UL/cUL	UL 62368-1, UL 61010-1/-2-201
	EAC	TP TC 004/2011
	BIS	IS 13252 (Part 1)
	BSMI	CNS14336-1
	CCC	GB 4943.1
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	4.0 kVac
	Input to Ground	2.0 kVac
	Output to Ground	1.5 kVac
	Output to DC OK	500 VAc

EMC*⁷
Model Number		DRF-24V480W1GBA	DRF-48V480W1GBA
Emissions (CE & RE)		CISPR 32, EN/BS EN 55032, EN/BS EN 61000-6-4, AS/NZS CISPR32, EN/BS EN 61204-3, KS C 9832 Compliance to FCC Title 47, EN 61000-6-3: Class B
Component Power Supply for General Use		EN/BS EN 61204-3
Immunity		EN/BS EN 55035, KS C 9835, EN/BS EN 61000-6-2 Compliance to EN 61000-6-1
Electrostatic Discharge	IEC 61000-4-2	Level 4 Criteria A¹⁾ Air Discharge: 15 kV Contact Discharge: 8 kV
Radiated Field	IEC 61000-4-3	Criteria A¹⁾ 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 A¹⁾ 2 kV
Surge	IEC 61000-4-5	Level 4 Criteria A¹⁾ Common Mode⁴⁾: W/O SPD 4 kV / W. SPD 6 kV Differential Mode⁵⁾: W/O SPD 2 kV / W. SPD 6 kV
Conducted	IEC 61000-4-6	Level 3 Criteria A¹⁾ 150 kHz – 80 MHz, 20 Vrms
Power Frequency Magnetic Fields	IEC 61000-4-8	Level 4 Criteria A¹⁾ 30 A/m
Voltage Dips and Interruptions	IEC 61000-4-11	0% residual; 1 cycle, Criteria B²⁾ 40% residual; 10 cycle, Criteria C³⁾ 70% residual; 25 cycle, Criteria C³⁾
Harmonic Current Emission		IEC/EN/BS EN 61000-3-2, Class A & Class D
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 A¹⁾ Criteria A¹⁾ Criteria A¹⁾
1) Criteria A: Normal performance within the specification limits 2) Criteria B: Temporary degradation or loss of function which is self-recoverable 3) Criteria C: Output out of regulation, shuts down during test (Need to recycle AC power cord to normal operation after test) 4) Asymmetrical: Common mode (Line to earth) 5) Symmetrical: Differential mode (Line to line) *7 Power supply is considered a component in the end-user's system. Please contact our local sales to get more information about the power supply EMC test setup.

Selection Table

MODEL NUMBER	INPUT VOLTAGE RANGE	RATED OUTPUT VOLTAGE	RATED OUTPUT CURRENT
DRF-24V480W1GBA	90...264Vac [127...375 Vdc]	24Vdc	20A
DRF-48V480W1GBA	48Vdc	10A

MODEL NUMBER

INPUT VOLTAGE RANGE

RATED OUTPUT VOLTAGE

RATED OUTPUT CURRENT

DRF-24V480W1GBA

90...264Vac

[127...375 Vdc]

24Vdc

20A

DRF-48V480W1GBA

48Vdc

10A

Technical Illustrations

GA_Drawing_Force-GT_DIN_Rail_Power_Supply_480W_1_Phase

Downloads

Datasheet_Delta_Electronics_DRF_FORCE_GT_480W_1Phase_Series.pdf

INPUT RATINGS/CHARACTERISTICS
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Input Voltage	100...240 Vac
Input Voltage Range	90...264 Vac
Nominal Input Frequency	50...60 Hz
Input Frequency Range	47...63 Hz
DC Input Voltage Range*¹	127...375 Vdc
Input Current	4.7A typ. @ 115 Vac, 2.4A typ. @ 230 Vac
Efficiency at 100% Load	95% typ. @ 230 Vac
Average Efficiency (25%, 50%, 75%, 100%)	91.5% typ. @ 115 Vac
No Load Power Consumption	0.75W max @ 115 Vac & 230 Vac	1W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start)	40A typ. @ 230 Vac
Power Factor at 100% Load	> 0.96 @ 115 Vac & > 0.93 @ 230 Vac
Leakage Current	< 1.5 mA @ 240 Vac
*1 Power Supply can operate at DC Input voltage, please connect +pole to L, -pole to N and PE terminal to an earth wire or to the machine ground.

OUTPUT RATINGS/CHARACTERISTICS*²
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Output Voltage	24 Vdc	48 Vdc
Factory Set Point Tolerance	24 Vdc ± 1%	48 Vdc ± 1%
Output Voltage Adjustment Range	24...28Vdc	48...55Vdc
Output Current	0 - 20.0A	0 - 10.0A
Output Power	480W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 0.5%	± 0.5%
PARD*³ (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 150 mVpp @ 0°C to +70°C < 450 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 (12 V & 24 V) 800 ms typ. @ 115 Vac & 230 Vac (48 V)
Start-up Time
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	10,000 μF Max	5,000 μF Max
DC OK Relay Contact	30 V / 1 A The relay contact are normally “ON” (closed) when the output (Vout) is greater than 90% typ. of its rated value.
2 For power will be de-rating from 60°C to 70°C, and Vin < 100 Vac, see Engineering Data power de-rating information. 3 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. PSU need to burn in around 5 minutes when AMB ≤ 0°C

OUTPUT RATINGS/CHARACTERISTICS*²
Model Number	DRF-24V480W1GBA	DRF-48V480W1GBA
Nominal Output Voltage	24 Vdc	48 Vdc
Factory Set Point Tolerance	24 Vdc ± 1%	48 Vdc ± 1%
Output Voltage Adjustment Range	24...28Vdc	48...55Vdc
Output Current	0 - 20.0A	0 - 10.0A
Output Power	480W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 0.5%	± 0.5%
PARD*³ (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 150 mVpp @ 0°C to +70°C < 450 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 (12 V & 24 V) 800 ms typ. @ 115 Vac & 230 Vac (48 V)
Start-up Time
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	10,000 μF Max	5,000 μF Max
DC OK Relay Contact	30 V / 1 A The relay contact are normally “ON” (closed) when the output (Vout) is greater than 90% typ. of its rated value.
2 For power will be de-rating from 60°C to 70°C, and Vin < 100 Vac, see Engineering Data power de-rating information. 3 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. PSU need to burn in around 5 minutes when AMB ≤ 0°C

ENVIRONMENT
Model Number		DRF-24V480W1GBA	DRF-48V480W1GBA
Surrounding Air Temperature	Operating	-40°C to +70°C
	Storage	-40°C to +85°C
Power De-rating	Temperature	> 60°C de-rate power by 2.5 % / °C
	Input Voltage	< 100 Vac de-rate power by 1% / Vac
Operating Humidity		5 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
Vibration	Operating	IEC 60068-2-6, Sine Wave: 10 Hz to 500 Hz; 4 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	DRF-24V480W1GBA	DRF-48V480W1GBA
Overvoltage	<34 V, SELV Output, DRF-24V480W1GBA: Latch Mode DRF-24V480W1GBAV: Auto-recovery Mode	<68 V, SELV Output, Latch Mode
Overload / Overcurrent	105 - 150% of rated load current, Auto-recovery Continuous current limit Mode*⁵ (Vo > 80%)
Over Temperature	Latch Mode
Short Circuit	Hiccup Mode, Non-Latching (Auto-Recovery when the fault is removed)
Internal Fust at L pin	T10 A / 250 V
Protection Against Shock	Class I with PE*⁶ connection
5 Constant current limit protection for inductive and capacitive load applications 6 PE: Primary Earth

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 @ 50°C)

SAFETY STANDARDS/DIRECTIVES
Electrical Safety	CB scheme	IEC 62368-1, IEC 60950-1, IEC 61010-1/-2-201
	TUV Bauart	EN/BS EN 62368-1, EN/BS EN 61010-1/-2-201
	UL/cUL	UL 62368-1, UL 61010-1/-2-201
	EAC	TP TC 004/2011
	BIS	IS 13252 (Part 1)
	BSMI	CNS14336-1
	CCC	GB 4943.1
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	4.0 kVac
	Input to Ground	2.0 kVac
	Output to Ground	1.5 kVac
	Output to DC OK	500 VAc

EMC*⁷
Model Number		DRF-24V480W1GBA	DRF-48V480W1GBA
Emissions (CE & RE)		CISPR 32, EN/BS EN 55032, EN/BS EN 61000-6-4, AS/NZS CISPR32, EN/BS EN 61204-3, KS C 9832 Compliance to FCC Title 47, EN 61000-6-3: Class B
Component Power Supply for General Use		EN/BS EN 61204-3
Immunity		EN/BS EN 55035, KS C 9835, EN/BS EN 61000-6-2 Compliance to EN 61000-6-1
Electrostatic Discharge	IEC 61000-4-2	Level 4 Criteria A¹⁾ Air Discharge: 15 kV Contact Discharge: 8 kV
Radiated Field	IEC 61000-4-3	Criteria A¹⁾ 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 A¹⁾ 2 kV
Surge	IEC 61000-4-5	Level 4 Criteria A¹⁾ Common Mode⁴⁾: W/O SPD 4 kV / W. SPD 6 kV Differential Mode⁵⁾: W/O SPD 2 kV / W. SPD 6 kV
Conducted	IEC 61000-4-6	Level 3 Criteria A¹⁾ 150 kHz – 80 MHz, 20 Vrms
Power Frequency Magnetic Fields	IEC 61000-4-8	Level 4 Criteria A¹⁾ 30 A/m
Voltage Dips and Interruptions	IEC 61000-4-11	0% residual; 1 cycle, Criteria B²⁾ 40% residual; 10 cycle, Criteria C³⁾ 70% residual; 25 cycle, Criteria C³⁾
Harmonic Current Emission		IEC/EN/BS EN 61000-3-2, Class A & Class D
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 A¹⁾ Criteria A¹⁾ Criteria A¹⁾
1) Criteria A: Normal performance within the specification limits 2) Criteria B: Temporary degradation or loss of function which is self-recoverable 3) Criteria C: Output out of regulation, shuts down during test (Need to recycle AC power cord to normal operation after test) 4) Asymmetrical: Common mode (Line to earth) 5) Symmetrical: Differential mode (Line to line) *7 Power supply is considered a component in the end-user's system. Please contact our local sales to get more information about the power supply EMC test setup.

MODEL NUMBER	INPUT VOLTAGE RANGE	RATED OUTPUT VOLTAGE	RATED OUTPUT CURRENT
DRF-24V480W1GBA	90...264Vac [127...375 Vdc]	24Vdc	20A
DRF-48V480W1GBA	48Vdc	10A