Delta Electronics FORCE GT 120W Series AC/DC Power Supply

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AC/DC Power Supplies

Delta Electronics FORCE GT 120W Series AC/DC Power Supply

The Delta Force GT Series 120W DIN rail power supplies are designed as a high-specification solution, positioned alongside leading European and Japanese brands such as Phoenix Contact, Weidmüller, TDK Lambda, and PULS. Delivering 120W output in 12V, 24V, and 48Vdc versions, the series combines high efficiency with 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-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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	127...375 Vdc
Input Current	1.2A typ. @ 115 Vac, 0.6A typ. @ 230 Vac
Efficiency at 100% Load	93% typ. @ 230 Vac	93.5% typ. @ 230 Vac	93% typ. @ 230 Vac
Average Efficiency (25%, 50%, 75%, 100%)	90% typ. @ 115 Vac	90.5% typ. @ 115 Vac	90.5% typ. @ 115 Vac
No Load Power Consumption	0.5W max @ 115 Vac & 230 Vac		0.75W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start)	40A typ. @ 230 Vac
Power Factor at 100% Load	> 0.95 @ 115 Vac & > 0.92 @ 230 Vac
Leakage Current	< 0.5 mA @ 240 Vac

OUTPUT RATINGS/CHARACTISTICS
Model Number	DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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	12...14Vdc	24...28Vdc	48...55Vdc
Output Current	0 - 10.0A	0 - 5.0A	0 - 2.5A
Output Power	120W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 1.0%	± 0.5%	± 0.5%
PARD (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 120 mVpp @ 0°C to +70°C < 360 mVpp @ -30°C to 0°C
Rise Time	30 ms typ. @ 115 Vac & 230 Vac
Start-up Time	300 ms typ. @ 115 Vac & 230 Vac
Hold-up Time	35 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	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.

MECHANICAL
Model Number		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
Case Cover / Chassis		Metal
Dimensions (H x W x D)		123.6 x 30 x 116.8 mm (4.87 x 1.18 x 4.60 inch)
Unit Weight		0.5 kg (1.10 lb)
Indicator		Green LED (DC OK)
Cooling System		Convection
Terminal	Input	3 Pins (Rated 600 V/30A)
	Output	3 Pins (Rated 600 V / 20 A)
	DC OK	2 Pins (Rated 300 V / 6 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”)
	DC OK	AWG 22-16 (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		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
Overvoltage	<18 V, SELV Output, Latch Mode	<34 V, SELV Output, DRF-24V120W1GBA: Latch Mode	<68 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 (115 Vac & 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
Model Number		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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 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 A 2 kV
Surge	IEC 61000-4-5	Level 4 Criteria A Common Mode: W/O SPD 4 kV / W. SPD 6 kV Differential Mode: W/O SPD 2 kV / W. SPD 6 kV
Conducted	IEC 61000-4-6	Level 3 Criteria A 150 kHz – 80 MHz, 20 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 & 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 A Criteria A Criteria A

Selection Table

MODEL NUMBER	INPUT VOLTAGE RANGE	RATED OUTPUT VOLTAGE	RATED OUTPUT CURRENT
DRF-12V120W1GBA	90...264Vac [127...375 Vdc]	12Vdc (Adj. 12...14Vdc)	10A (Adj. 0...10A)
DRF-24V120W1GBA	24Vdc (Adj. 24...28Vdc)	5A (Adj. 0...5A)
DRF-48V120W1GBA	48Vdc (Adj. 48...55Vdc)	2.5A (Adj. 0...2.5A)

MODEL NUMBER

INPUT VOLTAGE RANGE

RATED OUTPUT VOLTAGE

RATED OUTPUT CURRENT

DRF-12V120W1GBA

90...264Vac

[127...375 Vdc]

12Vdc (Adj. 12...14Vdc)

10A (Adj. 0...10A)

DRF-24V120W1GBA

24Vdc (Adj. 24...28Vdc)

5A (Adj. 0...5A)

DRF-48V120W1GBA

48Vdc (Adj. 48...55Vdc)

2.5A (Adj. 0...2.5A)

Technical Illustrations

Mechanical_Drawing_-_Force-GT_DIN_Rail_Power_Supply_120W_1_Phase

Downloads

Delta_Electronics_DRF_FORCE_GT_120W_Series_Specification_Sheet_e4ee451b-9413-452d-8ddb-ed42f511c1e7.pdf

INPUT RATINGS/CHARACTERISTICS
Model Number	DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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	127...375 Vdc
Input Current	1.2A typ. @ 115 Vac, 0.6A typ. @ 230 Vac
Efficiency at 100% Load	93% typ. @ 230 Vac	93.5% typ. @ 230 Vac	93% typ. @ 230 Vac
Average Efficiency (25%, 50%, 75%, 100%)	90% typ. @ 115 Vac	90.5% typ. @ 115 Vac	90.5% typ. @ 115 Vac
No Load Power Consumption	0.5W max @ 115 Vac & 230 Vac		0.75W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start)	40A typ. @ 230 Vac
Power Factor at 100% Load	> 0.95 @ 115 Vac & > 0.92 @ 230 Vac
Leakage Current	< 0.5 mA @ 240 Vac

OUTPUT RATINGS/CHARACTISTICS
Model Number	DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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	12...14Vdc	24...28Vdc	48...55Vdc
Output Current	0 - 10.0A	0 - 5.0A	0 - 2.5A
Output Power	120W max
Line Regulation	± 0.5% @ 115 Vac & 230 Vac
Load Regulation	± 1.0%	± 0.5%	± 0.5%
PARD (20MHz)	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 100 mVpp @ 0°C to +70°C < 300 mVpp @ -30°C to 0°C	< 120 mVpp @ 0°C to +70°C < 360 mVpp @ -30°C to 0°C
Rise Time	30 ms typ. @ 115 Vac & 230 Vac
Start-up Time	300 ms typ. @ 115 Vac & 230 Vac
Hold-up Time	35 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	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.

MECHANICAL
Model Number		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
Case Cover / Chassis		Metal
Dimensions (H x W x D)		123.6 x 30 x 116.8 mm (4.87 x 1.18 x 4.60 inch)
Unit Weight		0.5 kg (1.10 lb)
Indicator		Green LED (DC OK)
Cooling System		Convection
Terminal	Input	3 Pins (Rated 600 V/30A)
	Output	3 Pins (Rated 600 V / 20 A)
	DC OK	2 Pins (Rated 300 V / 6 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”)
	DC OK	AWG 22-16 (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		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
Overvoltage	<18 V, SELV Output, Latch Mode	<34 V, SELV Output, DRF-24V120W1GBA: Latch Mode	<68 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 (115 Vac & 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
Model Number		DRF-12V120W1GBA	DRF-24V120W1GBA	DRF-48V120W1GBA
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 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 A 2 kV
Surge	IEC 61000-4-5	Level 4 Criteria A Common Mode: W/O SPD 4 kV / W. SPD 6 kV Differential Mode: W/O SPD 2 kV / W. SPD 6 kV
Conducted	IEC 61000-4-6	Level 3 Criteria A 150 kHz – 80 MHz, 20 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 & 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 A Criteria A Criteria A

MODEL NUMBER	INPUT VOLTAGE RANGE	RATED OUTPUT VOLTAGE	RATED OUTPUT CURRENT
DRF-12V120W1GBA	90...264Vac [127...375 Vdc]	12Vdc (Adj. 12...14Vdc)	10A (Adj. 0...10A)
DRF-24V120W1GBA	24Vdc (Adj. 24...28Vdc)	5A (Adj. 0...5A)
DRF-48V120W1GBA	48Vdc (Adj. 48...55Vdc)	2.5A (Adj. 0...2.5A)