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MEAN WELL DBUF20-24 DC buffer module
Manufacturer MEAN WELL

DBUF20-24

Availability: Out of stock
24 V20 A

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DBUF20-24
Quantity Prices (USD)
Quantity
Unit Price (USD)
1+
$111.23 USD
10+
$105.67 USD
20+
$103.44 USD
50+
$101.22 USD
100+
$98.99 USD
200+
$96.77 USD
All prices are displayed in USD. *Import tariff is included in the listed price. You pay exactly what you see—no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Output Voltage
24V
Rated Current
20A
Waterproof
Non-waterproof
Dimensions & Weight
4.92 x 4.52 x 2.48 in2.34 lbs

Datasheet (PDF)

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Features

Buffering with electrolytic capacitors instead of lead acid batteries
Type buffering time of 350ms@22Vdc/20A
Buffer mode selectable by switch
LED indicator for signal status
Supports parallel connection to extend buffering time
Cooling by free air convection
-25~75°C wide operating
3 years warranty


General Specification

DC input voltage  24Vdc
Charging voltage 23~30Vdc
Charging current 900mA Max
Overload protection 105%~125% rated output power at buffer mode
Over voltage protection 31~37.5V only, shut down o/p voltage
Output current 20A
Ripple & Noise 200mVp-p
Working temperature -25~+75°C (refer to output derating curve)
TVS For Signals 35V
Safety standards IEC62368-1, UL62368-1 approved
EMC standards EN55032 class B, EN61000-4-2,3,4,5,6,8 
Case No 979E
Dimension (LxWxH) 63x125.2x114.9
Packing 12pcs / 12.8kg
Environmental Documents
📄 E6) COC-REACH (2026/01/28) 📄 E9) CMRT (2025/04/25) 📄 E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) 📄 REACH Certificate (PDF) (2020/12/03) 📄 ROHS Certificate (PDF) (2020/05/29) 📄 E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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