40A 24V Power Buffer Module 63mm DIN Rail Mount

You may also like:
DRDN40-12 DRDN40-12
DRDN20-24 DRDN20-24
DRDN20-12 DRDN20-12
DRDN40-48 DRDN40-48
DRDN20-48 DRDN20-48

$121.47 ea

7 Days Lead Time

*This product is subject to a tariff.
See detail in the cart.

  • Jameco Part no.: 2304319
  • Manufacturer: MEAN WELL
  • Manufacturer no.: DBUF40-24
  • NCNR (Non-Cancelable, Non Returnable)
  • Web Exclusive
# of units Price
1+ $121.47
5+ $120.07
25+ $92.15

Request a Large Quantity Quote

40A 24V Power Buffer Module 63mm DIN Rail Mount


  • Buffering with electrolytic capacitors instead of lead acid batteries
  • Type buffering time of 250ms @ 22VDC/40A
  • Buffer mode selectable by switch:
    • Fixed mode at 22 VDC
    • Dynamic mode for Vin-1 VDC
  • LED indicator for signal status
  • Supports parallel connection to extend buffering time
  • Cooling by free air convection
  • Ultra-wide operating temperature: -25 to +75°C
  • 63mm width
  • Install on DIN rail TS35/7.5 or TS35/15
  • 3 year warranty


    Charging Mode
    • DC Normal Operating Voltage: 24 VDC
    • Charging Voltage: 23 to 30 VDC
    • Charging Current: 900 mA (max.)
    • Current Consumption @ Stabdby: 100 mA (max.)
    • Charging Time: 25s (typ.); 35s (max.)
    Buffer Mode
    • DC Normal Operating Voltage: 22 VDC/ Vin-1 VDC
    • DC Operating Voltage Range: 22 to 29 VDC
    • Output Current: 40 A (max.)
    • Buffer Time (@ 22 VDC): 250 ms @ 40A (see datasheet for other ratings)
  • Screw terminal blocks connections
  • Size: 2.48"W x 4.93"H x 4.52 "D (63 x 125.2 x 114.9 mm)
  • Agency Approvals: UL, CUL, CB, CE, EN, EAC


  • Industrial control systems
  • Semiconductor fabrication equipment
  • Factory automation
  • Electromechanical apparatus

Report a problem
Suggest a product
Specification Value
Maximum Output Current40A
Input Voltage Range22 VDC to 29 VDC
Minimum Operating Temperature-25°C
Maximum Operating Temperature75°C
Width63mm (2.48")
Height125.2mm (4.93")
Depth114.9mm (4.52")
Weight2.35 lbs.
Agency ApprovalsUL, CUL, CB, CE, EN, EAC
Output Connector TypeScrew Terminals
MountingDIN Rail TS35/7.5 or TS35/15
Additional FeatureElectrolytic Capacitor Buffering

Report a problem
Suggest a product