Delta LYTE II Mode d’emploi

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Highlights & 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

•Compliance to SEMI F47 @ 200 Vac

Safety Standards

CB Certified for worldwide use

Model Number: DRL-V120W1EN

Unit Weight: 0.45 kg (0.99 lb)

Dimensions (H x W x D): 123.6 x 30 x 116.8 mm

(4.87 x 1.18 x 4.60 inch)

General Description

Delta’s LYTE II DIN rail power supply series is designed for cost sensitive users who need to fulfill essential features needed for many

general industrial applications, without compromising on quality and reliability. The convection-cooled LYTE II series will operate full

power from -30°C to +50°C, then de-rating up to +70°C at 230 Vac. It can operate in constant current mode, making it suitable for

inductive and capacitive loads. The product is certified according to safety standards IEC/EN/UL 62368-1. Electromagnetic radiated and

conducted emissions are compliant to heavy industrial EN 61000-6-4 Class B Emission standard and EN 61000-6-2 Immunity standard.

The product comply with environmental protection requirements as per RoHS Directive.

Model Information

LYTE II DIN Rail Power Supply

Model Number

Input Voltage Range

Rated Output

oltage

Rated Output Current

DRL-12V120W1EN

90-264 Vac

12 Vdc

10.0 A

DRL-24V120W1EN



24 Vdc

5.0 A

DRL-48V120W1EN

48 Vdc

2.5 A

Model Numbering

L –

□V

120W



DIN Rail Product Type

L – LYTE Family

Output Voltage

12 – 12 V

24 – 24 V

48 – 48 V

Output

Power

Single Phase LYTE II Series

with Slim Design

N – No DC OK

Relay Contact

Blank – No coating

A – With coating*1

*1: 24 V model only

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Specifications

Model Number DRL-12V120W1EN DRL-24V120W1EN☐DRL-48V120W1EN

Input Ratings / Characteristics

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 2.1 A typ. @ 115 Vac, 1.3 A typ. @ 230 Vac

Efficiency at 100% Load 86% typ. @ 230 Vac 88.5% typ. @ 230 Vac 89.5% 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

Max Inrush Current (Cold Start) 35 A typ. @ 230 Vac

Leakage Current < 0.5 mA @ 240 Vac

Output Ratings / Characteristics*2

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

10.0 A 5.0 A 2.5 A

Output Power

120 W max

Line Regulation

± 0.5% @ 115 Vac & 230 Vac

Load Regulation

± 1.0% ± 0.5% ± 0.5%

PARD*3 (20 MHz)

< 120 mVpp @ 0°C to +70°C

< 360 mVpp @ -30°C to 0°C

< 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

Hold-up Time

10 ms typ. @ 115 Vac (100% load)

16 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

3,000 µF Max

*2 For power will be de-rating from 40°C to 70°C @ 115 Vac & 50°C to 70°C @ 230 Vac, 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

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Model Number DRL-12V120W1EN DRL-24V120W1EN☐DRL-48V120W1EN

Mechanical

Case Cover / Chassis SGCC

/ Aluminum

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 0.45 kg (0.99 lb)

Indicator Green LED (DC OK)

Cooling System Convection

Terminal*4

Input

3 Pins (Rated 300 V / 30 A)

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

*4 The torque at the terminal connector shall not exceed 4 Kgf.cm. (3.47 lbf.in).

Environment

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/s²(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

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*6 connection

*5 Constant current limit protection for inductive and capacitive load applications

*6 PE: Primary Earth

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Model Number DRL-12V120W1EN DRL-24V120W1EN☐DRL-48V120W1EN

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

TUV Bauart

UL/cUL

BSMI

EAC

IEC 62368-1, IEC 60950-1, IEC 61010-1 & -2-201

EN 62368-1, EN 61010-1 & -2-201

UL 62368-1

CNS14336-1

TP TC 004/2011

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

Output to

Ground 1.0 KVac

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Model Number DRL-12V120W1EN DRL-24V120W1EN☐DRL-48V120W1EN

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 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): 4 kV

Differential Mode

: 2 kV

Conducted IEC 61000-4-6 Level 3 Criteria A1)

150 kHz – 80 MHz, 10 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 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 A1)

Criteria A

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)

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Block Diagram

DRL-☐V120W1EN☐

Device Description

1) Input terminal block connector

2) Output terminal block connector

3) DC voltage adjustment potentiometer

4) DC OK LED (Green)

5) Universal mounting rail system

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Dimensions

H x W x D: 123.6 x 30 x 116.8 mm (4.87 x 1.18 x 4.60 inch)

*Unless otherwise specified tolerance of dimension are ± 0.5 mm

AWG Wire Table

Current Rating for PVC Wire

6 AWG

52.5 A

8 AWG

37.5 A

10 AWG

29.0 A

12 AWG

22.5 A

14 AWG

16.5 A

16 AWG

12.0 A

18 AWG

9.0 A

20 AWG

6.5 A

22 AWG

5.0 A

24 AWG

3.5 A

26 AWG

2.5 A

28 AWG

2.0 A

30 AWG

1.5 A

Item

Device Description

1 Input terminal block connector

Pin 1: L

Pin 2: N

Pin 3: PE

Output terminal block connector

Pin 1 to 2: V(-)

Pin 3 to 4: V(+)

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Engineering Data

Output Load De-rating VS Surrounding Air Temperature

Output Load De-rating VS Input Voltage

100

110

-30 -20 -10 010 20 30 40 50 60 70

Percentage of Max Load(%)

Surrounding Air Temerature (°C)

100

110

90 100 264

Load (%)

Input Voltage (Vac)

No output power de-rating for the input

voltage from 100 Vac to 264 Vac

Note

1. Power supply components may degrade, or

be damaged, when the power supply is

continuously used outside the shaded region,

refer to the graph shown in Fig. 1.

2. The PSU will be bouncing and start up time

will not exceed 5s when ambient temperature

at ‐30°C.

3. If the output capacity is not reduced when the

surrounding air temperature > 50

°C, the

device will run into

Over Temperature

Protection. When activated, power supply will

latch off, until the surrounding air temperature

is lowered or the load is reduced as far as

necessary to keep the device in working

condition, and require removal/re-application

of input AC voltage in order to restart.

4. In order for the device to function in the

manner intended, it is also necessary to keep

a safety distance as recommended in the

safety instructions while the device is in

operation.

5. Depending on the surrounding air temperature

nd output load delivered by the power

supply, the device can be very hot!

6. Need to consider power de-

rating if

surrounding Air Temperature large than 40°C

at 115 Vac and 50°C at 230 Vac.

7. If the device has to be mounted in any other

orientation, please contact info@deltapsu.com

for more details.

Fig. 1 De-rating for Vertical Mounting Orientation

> 40°C de-rate power by 1.67 % / °C @ 115 Vac

> 50°C de-rate power by 2.5 % / °C @ 230 Vac

Fig. 2 De-rating for AC Input Voltage

< 100 Vac de-rate power by 1 % / Vac

―230 Vac - - - 115 Vac

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Assembly & Installation

The power supply unit (PSU) can be mounted on 35 mm DIN rails in accordance with EN 60715. The device should be installed with

input terminal block at the bottom.

Each device is delivered ready to install.

Mounting Dismounting

Fig. 3.1 Mounting

Snap on the DIN rail as shown in Fig. 3.1:

1. Tilt the unit upwards and insert it onto the DIN rail.

2. Push downwards until stopped.

3. Press against the bottom front side for locking.

4. Shake the unit slightly to ensure that it is secured

Fig. 3.2 Dismounting

To uninstall, Delta provides an easy way to pull or slide down the

latch with screw driver as shown in Fig. 3.2. Then slide the power

supply unit (PSU) in the opposite direction, release the latch and

pull out the power supply unit (PSU) from the rail.

Safety Instructions

Vertical Mounting

•ALWAYS switch mains of input power OFF before connecting and disconnecting the

input voltage to the unit. If mains are not turned OFF, there is risk of explosion / severe

damage.

•To guarantee sufficient convection cooling, keep a distance of 40 mm (1.57 inch)

above and 20 mm (0.79 inch) below the device as well as a lateral distance of 5 mm

(0.2 inch) to other units and if load less than 50%, lateral distance can be 0 mm. In

case the adjacent device is a heat source, the lateral distance will be 15 mm (0.6

inch).

•Note that the enclosure of the device can become very hot depending on the surrounding

air temperature and load of the power supply. Risk of burns!

•The main power must be turned off before connecting or disconnecting wires to the

terminals.

•DO NOT insert any objects into the unit.

•Hazardous voltages may be present for up to 5 minutes after the input mains voltage is

disconnected. Do not touch the unit during this time.

•The power supplies are built in units and must be installed in a cabinet or room

(condensation free environment and indoor location) that is relatively free of conductive

contaminants.

LYTE II DIN Rail Power

Supply

DRL-120W series

/ DRL-



V120W1EN



TECHNICAL DATASHEET

All parameters are specified at 25°C ambient and AC input unless otherwise indicated.

www.DeltaPSU.com (March 2022, Rev. 03)

Functions

Graph illustrating the Start-up Time, Rise Time, and Hold-up Time

Start-up Time

The time required for the output voltage to reach 90% of its final steady state set value, after the input voltage is applied.

Rise Time

The time required for the output voltage to change from 10% to 90% of its final steady state set value.

Hold-up Time

Time between the collapse of the AC input voltage, and the output falling to 95% of its steady state set value.

Inrush Current

Inrush current is the peak, instantaneous, input current measured

and, occurs when the input voltage is first applied. For AC input

voltages, the maximum peak value of inrush current will occur

during the first half cycle of the applied AC voltage. This peak value

decreases exponentially during subsequent cycles of AC voltage.

Dynamic Response

The power supply output voltage will remains within ±10% of its

steady state value, when subjected to a dynamic load from 10% to

100% of its rated current.

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