MEAN WELL WDR Switched Mode DIN Rail Power Supply, 180 → 550V ac ac Input, 48V dc dc Output, 5A Output, 240W

RS Stock No.:: 765-4698
Distrelec Article No.:: 169-36-740
Mfr. Part No.:: WDR-240-48
Manufacturer:: MEAN WELL

MEAN WELL WDR Switched Mode DIN Rail Power Supply, 180 → 550V ac ac Input, 48V dc dc Output, 5A Output, 240W

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RS Stock No.:: 765-4698
Distrelec Article No.:: 169-36-740
Mfr. Part No.:: WDR-240-48
Manufacturer:: MEAN WELL

WDR Series Single Output Industrial DIN Rail Power Supply

A range of Mean Well DIN Rail power supplies with a slim design and wide input range. The PSU has short circuit, overload, over voltage and over temperature protection.

Features and Benefits

• 120 W to 480 W

• Slim design and 180 V ac to 550 V ac wide input range (Single and two phase)

• 100% full load burn-in test

• Assemble on industrial rail TS-35/7.5 or 15

• Built-in DC OK relay contact

• Protections: Short circuit/Overload/Over voltage/Over temperature

• Cooling by free air convection

• UL 508 (industrial control equipment) approved

• EN61000-6-2 (EN50082-2) industrial immunity level

• 3 year warranty

Product Application Information

The WDR series are suitable for household appliances, factory, transportation and public utility automation and building automation controls which are increasingly required in commercial and residential premises.

Why use a DIN Rail power supply?

The flexibility of DIN Rail mounting systems enables quicker installation time as all devices are able to simply snap onto the metal rails. Power supplies can be easily organised on DIN Rails within enclosed wall boxes or in areas where there is limited space. Similar devices can be mounted next to each other reducing the amount of cabling required. Most power supplies are convection cooled so no cooling fans are needed.

DIN Rail AC to DC power supplies are widely used in many automation, instrumentation and industrial applications. They are used to power a wide variety of DC operated devices including sensors, motors, actuators, solenoids, relays and many more.

Points to consider when buying a DIN Rail power supply

DIN Rail size – There are three common types of DIN Rails. Top Hat, G section and C section. Most have a depth of 7.5 mm or 15 mm. It is wise to check that your power supply is compatible with your DIN Rail.

Protection types – It is important to choose a power supply that is protected against either short circuit, overload, over temperature or over voltage. Some power supplies also offer a hiccup mode which will allow the PSU to resume operation once the fault is cleared.

Fixed or adjustable output voltage or current – In test systems it is often convenient to have adjustable DC voltage however in other applications a fixed DC supply may be essential.

Cabling and wiring – The input/output lines to and from the power supply should be as short as possible with a large cross sectional area to help minimise noise and heat.

Efficiency– Choose a power supply that has an efficiency over 89% to minimise the amount of power dissipation, especially if the system relies on convection cooling.

Input voltage range – If the DIN Rail power supply you are buying is to be used in Europe and North America as well as the UK then a universal AC input range of 80 V ac to 264 V ac is required.

Standards – If the power supply is to be used in the USA for controlling electric motors then it will need to comply with Standard UL508, the safety standard for industrial control equipment.

Standards

UL508, EAC TP TC 004 approved, IEC60950-1 CB approved by SIQ, design refer to GL

Mean Well WDR-240-48 Power Supply, 48 V, 5 A, 240 W

Built-in active PFC circuit compliance to EN61000-3-2

High efficiency 91% and low-power dissipation

Note

Available on EPLAN.

Attribute	Value
Series	WDR
Type	Switched Mode
Electrical Phase	1, 2
AC or DC Input Voltage	ac
Number of Outputs	1
Input Voltage	180 → 550V ac
AC or DC Output Voltage	dc
Output Voltage	48V dc
Output Current	5A
Power Rating	240W
Dimensions	125.2 x 63 x 113.5mm
Height	125mm
Depth	114mm
Width	63mm
Special Features	Overvoltage and Short Circuit Protection
Ripple And Noise	150mV Pk-Pk
MTBF	141.1kh
Output Voltage Adjustment Range	48 → 55V
Mounting Type	DIN Rail Mount
Minimum Temperature	-30°C
Standards Met	RoHS Compliant, TUV EN 60950-1, UL 508
Maximum Temperature	+70°C
Load Regulation	±1%