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Mean Well XDR-240-12LA High-End Ultra Slim Industrial Din Rail Power Supply 240W 12V with Lever Actuated Connector 20A

40mm ultra slimhigh efficiency up to 95.5%200% peak power capability600% transient peak current capabilityparallel operation up to 960WMODBus communicationultra low inrush current <6~15Aconformal coating

SKU XDR-240-12LA

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Overview

XDR-240-12LA is the 12V output model of this series: rated power 240W, typical efficiency 94%.

The XDR-240 series is a 240W AC/DC high-end ultra slim industrial DIN rail power. Key features of this series include a narrow 40mm casing, optimizing system installation space, and an ultra-wide input range of 85~305Vac suitable for global use. It boasts a maximum efficiency of 95.5% and a low standby power consumption of 1W for energy savings and carbon reduction. It supports MODBus communication interface, provides constant current with up to 200% peak power, and can handle instantaneous peak current of 600%. It has a fanless design, ultra-wide operating temperature range of -40 to +85℃ (up to +60℃ at full load); OVC III compliance; parallel function capability up to 960W; ultra-low inrush current of <6~15A, and includes DC OK and remote ON/OFF functions. It also has a built-in ORing FET, the internal PCB has a coating for basic moisture and dust protection, and it has multiple terminal blocks for selection. With comprehensive protection functions, complete safety certifications, and a 5-years warranty, the XDR-240 series is a compact, high-performance, and highly reliable DIN rail power supply.

Features

85~305Vac input with PFC (277Vac available)
Global certificates in multi-fields(ITE 62368-1,Industrial 61558-1/-2-16,61010) & Marine DNV,SEMI47,CID2 HazLoc approved
40mm ultra slim width
High efficiency up to 95.5% and no load power dissipation<1W by R.C.
Built-in MODBus protocol
200% peak power capability
600% transient peak current capability
Built-in constant current limiting circuit
Current sharing up to 960W (3+1) for parallel use
Protections: Short circuit / Overload / Over voltage / Over temperature
Fanless design, cooling by free air convection
Over voltage category Ⅲ (OVC Ⅲ)
-40~ +85℃ wide range operation temperature(>+60℃ derating)
Operating altitude up to 5000 meters
Built-in remote ON/OFF control and DC OK relay contact
Ultra low inrush current <6~15A
Built-in ORing FET
Tool free terminal block (LA Type)
Conformal coating
Can be installed on DIN rail TS-35/75 or15
5 years warranty

Specifications

XDR-240-12LASpecifications from the official datasheet (2026-06-01 edition)

OUTPUT

DC VOLTAGE: 12V
LOAD CURRENT RANGE: 0 ~ 20A
RATED POWER: 240W
PEAK CURRENT (5sec.): 40A
PEAK POWER (5sec.): 480W(5 sec.)
RIPPLE & NOISE (max.)^Note.2: 100mVp-p
VOLTAGE ADJ. RANGE: 12 ~ 15V
VOLTAGE TOLERANCE^Note.3: ±2.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±1.0%
SETUP, RISE TIME: 1500ms, 150ms/277Vac 1500ms, 150ms/230Vac 1500ms, 150ms/115Vac at full load
HOLD UP TIME (Typ.): 20ms/277VAC 20ms/230VAC 20ms/115VAC at full load

INPUT

AC VOLTAGE RANGE: 85 ~ 305Vac
DC VOLTAGE RANGE: 80 ~ 431Vdc (Derating 50% Load @80Vdc)
NO LOAD CONSUMPTION(Typ.) Remote Power OFF: 1W @115Vac & 230Vac & 277Vac
NO LOAD CONSUMPTION(Typ.) Remote Power ON: 2.5W @115Vac & 230Vac & 277Vac
FREQUENCY RANGE: 47 ~ 63Hz
POWER FACTOR (Typ.): PF>0.98/115Vac PF>0.95/230Vac PF>0.9/277Vac at full load
EFFICIENCY (Typ.): 94%
AC CURRENT (Typ.): 2.6A/115Vac 1.3A/230Vac 1.1A/277Vac
INRUSH CURRENT (Typ.): COLD START 6A/115Vac 10A/230Vac 15A/277Vac
LEAKAGE CURRENT: <1mA / 240Vac <1.3mA/ 277Vac

PROTECTION

OVERLOAD: 105%~200% rated output power for more than 5 sec then constant current limiting at rate current without shutdown when Vo=30%~100% Hiccup mode when Vo<30% rated voltage
OVER VOLTAGE: 16 ~ 19V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE: Protection type : Shut down o/p voltage, recovers automatically after temperature goes down

FUNCTION

PARALLEL: Up to 960W (3+1) units; Please refer to Function Manual for more details.
DC OK RELAY CONTACT: Relay Contact Ratings (max.):30Vdc/1A, 30Vac/0.5A resistive load
REMOTE CONTROL: Power ON :RC(Pin9) and 5V_AUX(Pin10) short . Power OFF:RC(Pin9) and 5V_AUX(Pin10) open. Please refer to Function Manual for more details.
MODBus INTERFACE: Communication provides functions such as control, setting, and monitoring.
TRANSIENT PEAK CURRENT CAPABLILTY: 600% rated current for 15ms

ENVIRONMENT

WORKING TEMP.: -40 ~ +85℃ (Refer to "Derating Curve")
WORKING HUMIDITY: 20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: ±0.03%/℃ (0 ~ 60℃) on Load output
VIBRATION: Component:10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting: Compliance to IEC60068-2-6

SAFETY & EMC

SAFETY STANDARDS^Note.4&5&6: CB IEC62368-1, IEC61558-1/-2-16, IEC61010-1/-2-201 TUV BS EN/EN62368-1,BS EN/EN61558-1/-2-16,BS EN/EN61010-1/-2-201 UL UL121201/CSA C22.2 NO.213.17 Class I,DIV2 Group A,B,C,D Hazardous Locations T4;UL61010-1/-2-201 CCC GB4943.1 BSMI CNS15598-1 EAC TPTC004 Marine DNV SEMI F47 approved KC/BIS KC62368-1 and BIS IS 13252 (Part 1) certified, No stock ,contact sales by request
OVER VOLTAGE CATEGORY^Note.7: IEC/EN 61558-1/-2-16 (OVC Ⅲ, altitude up to 2000m ) IEC/EN/UL 61010-1/-2-201 (OVC Ⅱ, altitude up to 5000m ) IEC/EN 62368-1 (OVC Ⅱ, altitude up to 5000m )
SAFETY EXTRA-LOW VOLTAGE(SELV): IEC/EN 61558-2-16 (SELV) IEC/EN 62368-1 (SELV / ES1 )
WITHSTAND VOLTAGE: I/P-O/P: 4KVac I/P-FG: 2KVac O/P-FG: 1.5KVac O/P-DC OK: 0.5KVac
ISOLATION RESISTANCE: I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC/25℃/ 70%RH
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032 (CISPR32) / BS EN/EN61204-3 / CNS15936 / KS C 9832 Class B
Radiated BS EN/EN55032 (CISPR32) / BS EN/EN61204-3 / CNS15936 / KS C 9832 Class B
Harmonic Current BS EN/EN61000-3-2 Class A
Voltage Flicker BS EN/EN61000-3-3
EMC IMMUNITY: BS EN/EN55035 , BS EN/EN61204-3, BS EN/EN61000-6-2(BS EN/EN50082-2) ,KS C 9835,SEMI F47 tested at 200Vac

Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 4, 15KV air; Level 4, 8KV contact; criteria A
Radiated BS EN/EN61000-4-3 Level 3, 10V/m; criteria A
EFT / Burst BS EN/EN61000-4-4 Level 4, 4KV; criteria A
Surge BS EN/EN61000-4-5 Level 4, 2KV/Line-Line ;Level 4, 4KV/Line-Line-Chassis ;criteria A
Conducted BS EN/EN61000-4-6 Level 3, 10V; criteria A
Magnetic Field BS EN/EN61000-4-8 Level 4, 30A/m; criteria A

Parameter	Standard	Test Level
Conducted	BS EN/EN55032 (CISPR32) / BS EN/EN61204-3 / CNS15936 / KS C 9832	Class B
Radiated	BS EN/EN55032 (CISPR32) / BS EN/EN61204-3 / CNS15936 / KS C 9832	Class B
Harmonic Current	BS EN/EN61000-3-2	Class A
Voltage Flicker	BS EN/EN61000-3-3

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 4, 15KV air; Level 4, 8KV contact; criteria A
Radiated	BS EN/EN61000-4-3	Level 3, 10V/m; criteria A
EFT / Burst	BS EN/EN61000-4-4	Level 4, 4KV; criteria A
Surge	BS EN/EN61000-4-5	Level 4, 2KV/Line-Line ;Level 4, 4KV/Line-Line-Chassis ;criteria A
Conducted	BS EN/EN61000-4-6	Level 3, 10V; criteria A
Magnetic Field	BS EN/EN61000-4-8	Level 4, 30A/m; criteria A

OTHERS

MTBF: 1066.2K hrs min. Telcordia SR-332 (Bellcore); 129.1K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 40*125.2*116mm (W*H*D)
PACKING: 0.79Kg; 16pcs/ 13.6Kg / 1. 27CUFT

Test conditions and notes8

1. All parameters NOT specially mentioned are measured at 230Vac input, rated load and 25℃ of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
5. The Regulatory Compliance Mark (RCM) is applied on a voluntary basis. The equipment meets the relevant IEC or AS/NZS standards, or AS/NZS 3820 where applicable. The use of the RCM mark complies with AS/NZS 4417.1.
6. Some factory or model may not have the BIS logo, please contact your MEAN WELL sales for more information.
7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
8. Installation clearances : 40mm on top, 20mm on the bottom, 5mm on the left and right side are recommended when loaded permanently with full power. In case the adjacent device is a heat source, 15mm clearance is recommended.

Technical drawings

XDR-240-12LA Block Diagram — Block Diagram

XDR-240-12LA Derating Curve — Derating Curve

XDR-240-12LA P pk x t + Pnpk x (T-t) — P pk x t + Pnpk x (T-t)

XDR-240-12LA Transient peak current Capability — Transient peak current Capability

XDR-240-12LA Transient peak current Capability (2) — Transient peak current Capability (2)

XDR-240-12LA Function Manual — Function Manual

XDR-240-12LA 1.Parallel Use — 1.Parallel Use

XDR-240-12LA 2. Support MODBus Communication — 2. Support MODBus Communication

XDR-240-12LA 3.DC OK Relay Contact — 3.DC OK Relay Contact

XDR-240-12LA 3.DC OK Relay Contact (2) — 3.DC OK Relay Contact (2)

XDR-240-12LA 4.Remote ON/OFFControl — 4.Remote ON/OFFControl

XDR-240-12LA 4.Remote ON/OFFControl (2) — 4.Remote ON/OFFControl (2)

XDR-240-12LA 5.Protection Against Inverse Voltages From The Load — 5.Protection Against Inverse Voltages From The Load

XDR-240-12LA 6.LED Status Indictors — 6.LED Status Indictors

XDR-240-12LA Mechanical Specification — Mechanical Specification

Typical applications

Industrial control system
Semiconductor fabrication equipment
Factory automation
Electro-mechanical apparatus

Downloads

Datasheet1

XDR-240-12LA datasheetXDR_240_spec.pdf · 2026-06-01 edition PDF Download

FAQ

What are the main output ratings of the Mean Well XDR-240-12LA?

The XDR-240-12LA is rated for 240 W output power. It provides 12 V output at 20 A rated current, making it suitable for industrial DC power applications that require a high-current 12 V DIN rail supply.

What types of applications is the XDR-240-12LA designed for?

This model is designed for industrial and B2B power systems that use DIN rail power supplies. Its listed certifications include industrial, ITE, marine DNV, SEMI47, and CID2 HazLoc approvals, supporting use in demanding regulated environments where those approvals are required.

What makes the XDR-240-12LA different from a standard DIN rail power supply?

The XDR-240-12LA is a high-end ultra slim DIN rail model with a 40 mm width. It also includes features listed for this series such as up to 94% efficiency, 200% peak power capability, 600% transient peak current capability, active current sharing, and MODBus communication support.

What operating temperature range is specified for the XDR-240-12LA?

The specified operating temperature range for this model is -40 °C to 85 °C. That wide range supports use in industrial environments where equipment may be exposed to cold starts or elevated ambient temperatures.

Can the XDR-240-12LA be used in systems with wide AC input requirements?

Yes. The product description lists an 85~305 Vac input range, with 277 Vac available, which supports use across many industrial AC power environments.

Does the XDR-240-12LA support parallel operation?

Yes. The description lists built-in active current sharing for parallel operation up to 960 W in a 3+1 configuration. This is useful for higher-power system designs that require multiple compatible units operating together.

What warranty and physical weight are listed for the XDR-240-12LA?

The XDR-240-12LA has a listed warranty period of 5 years. Its listed weight is 0.7900 kg.

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