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MEAN WELL HLG40H20B 40W LED Driver

The MEAN WELL HLG-40H series is a 40W AC/DC LED driver designed for constant voltage and constant current output. It operates from 90~305VAC and offers models with different rated voltages. With high efficiency (up to 89.5%) and a fanless design, it can operate within a wide temperature range (-40℃ ~ +80℃). The metal housing and IP67/IP65 ingress protection make it suitable for both indoor and outdoor applications. It's ideal for LED street lights, high-bay lights, parking space lights, and other LED lighting systems.

Authorized Distributors
Source:DigiKey
Part No:HLG-40H-20B
Stock:18
Inv Date:06-16-2026
Price: Unit price: $34.6
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Part No:HLG-40H-20B
Stock:0
Inv Date:06-17-2026
Price: Unit price: $34.6
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Part No:HLG-40H-20B
Stock:7
Inv Date:06-16-2026
Price: Unit price: $47.03
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Part No:HLG-40H-20B
Stock:296
Inv Date:06-16-2026
Price: Unit price: $34.6
Buy/RFQ:
Part No:HLG-40H-20B
Stock:296
Inv Date:06-16-2026
Price: Unit price: $34.6
Buy/RFQ:
Part No:HLG-40H-20B
Stock:0
Inv Date:06-16-2026
Price: Unit price: $38.24
Buy/RFQ:

MEAN WELL HLG40H20B 40W LED Driver Specifications:

  • Rated Power: 40W
  • Input Voltage Range: 90~305VAC
  • DC Voltage: 20V
  • Rated Current: 2A
  • Output Voltage Adj. Range: 18 ~ 24V
  • Constant Current Region: 1.2 ~ 2A
  • Efficiency: 88%
  • Line Regulation: ±0.5%
  • Load Regulation: ±0.5%
  • Ripple & Noise (max.): 150mVp-p
  • Hold Up Time (Typ.): 500ms
  • Temperature Range: -40 ~ +80℃
  • IP Rating: IP67/IP65
  • Safety Standards: Compliance to EN55015, EN61000-3-2, GB17743, GB17625.1, EAC TP TC 020
  • MTBF: 1131.9K hrs min.

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Frequently Asked Questions

Where can I buy MEAN WELL HLG40H20B?

You can click on the BUY or RFQ button to purchase HLG40H20B from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part HLG40H20B?

You can download the HLG40H20B datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of HLG40H20B?

MEAN WELL

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