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- SKU: 07949
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Hi-Link HLK-40M12 40W Isolated AC-DC Power Supply Module | 85–265VAC to 12V 3.3A DC
The Hi-Link HLK-40M12 is a compact, isolated AC-DC power supply module designed to convert 85–265VAC input directly into stable 12V DC output up to 3.3A (40W). Built with high-efficiency switching technology and reinforced isolation, this module is suitable for embedded electronics, industrial control, smart home systems, automation equipment, IoT devices, LED controllers, and other applications requiring reliable mains-to-DC conversion. It offers a compact enclosed design with built-in protection features, helping simplify PCB integration while maintaining stable and safe power delivery.
The HLK-40M12 supports a wide universal AC input range and delivers regulated output with low ripple and high conversion efficiency. Its isolated architecture enhances electrical safety, while integrated protections against overload, overcurrent, short circuits, and thermal stress improve long-term operational reliability. The module is factory tested for continuous operation and is optimized for applications where compact size and dependable performance are important.
Features
- Wide Input Voltage Range: Supports 85–265VAC universal input, suitable for global mains power standards.
- Stable 12V DC Output: Delivers regulated 12V DC output up to 3.3A with reliable performance.
- 40W Output Power: Designed for medium-power applications requiring consistent energy delivery.
- High Isolation Protection: Provides electrical isolation between input and output for improved operational safety.
- High Conversion Efficiency: Optimized switching design helps reduce power loss and heat generation.
- Low Ripple & Noise: Stable output suitable for sensitive electronic circuits and embedded systems.
- Built-in Protection Functions: Includes short-circuit, overcurrent, overload, and thermal protection.
- Compact Enclosed Module: Space-saving design enables easy integration into PCB and enclosed products.
- Low Standby Power Consumption: Energy-efficient operation during light or idle load conditions.
- Reliable Industrial Performance: Suitable for industrial control, smart home devices, IoT equipment, automation systems, communication devices, and LED power applications.
- Long Service Life: Designed for continuous operation with stable long-term output performance.
Specifications
- Model: HLK-40M12
- Type: Isolated AC-DC Power Supply Module
- Rated Output Power: 40W
- Input Voltage: 85–265VAC (Universal Input)
- Output Voltage: 12V DC
- Maximum Output Current: 3.3A
- Isolation Voltage: 3000VAC
- Efficiency: Up to 90%
- Ripple & Noise: ≤150mVp-p
- No-Load Power Consumption: <0.1W
- Protection Features: Short Circuit, Overcurrent, Self-Recovery, Over-temperature
- Operating Temperature: −25°C to +60°C
- Dimensions: Approx. 56 × 32 × 22.5mm
Package Includes
- 1x Hi-Link HLK-40M12 40W Isolated AC-DC Power Supply Module | 85–265VAC to 12V 3.3A DC
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)




