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DBUF40-24

Product information "DBUF40-24"

Technical Information & Details for the MEAN WELL DBUF40-24 Buffer Module

  • Output Current: 40 A (Max)
  • Operating Voltage: 24 V DC
  • Buffering Time: 250ms @ 22Vdc/40A (Typ.)
  • Charging Current: 900 mA (Max)
  • Input Voltage Range: 23 – 30 V DC (Charging Voltage)
  • Efficiency/Standby Consumption: < 100 mA
  • Ripple & Noise: ≤ 350 mVp-p
  • Charging Time: 25s (Typ.) / 35s (Max)
  • Buffer Mode Selection: Fixed mode (22Vdc) or Dynamic mode (Vin-1Vdc)
  • Operating Temperature: −25 °C to +75 °C
  • Cooling: Free air convection
  • Protection Functions: Over voltage, Over load, Short circuit, Reverse polarity
  • Overvoltage Category: OVC II
  • Isolation Voltage: 2.2 KV DC (IP/OP-FG)
  • Dimensions (H x B x T): 125.2 mm x 63 mm x 114.9 mm
  • Weight: 1.062 kg
  • Safety & EMC Certificates: UL62368-1, IEC62368-1, CE, UKCA, EAC
  • LED Status Display: Status Indicator (Charged, Charging, Discharging)
  • Manufacturer Warranty: 3 Years

Information about the MEAN WELL DBUF40-24

The MEAN WELL DBUF40-24 is a professional-grade DIN rail buffer module designed to provide reliable energy storage and power backup for 24V DC regulated systems. Unlike traditional UPS systems that rely on lead-acid batteries, this module utilizes maintenance-free electrolytic capacitors. This unique characteristic ensures a significantly longer functional lifespan and eliminates the need for periodic battery replacements, making it an exceptionally cost-effective and eco-friendly solution for semiconductor fabrication, factory automation, and industrial control systems. It provides a critical buffering time of 250ms at full 40A load, allowing systems to bridge short-term power dips or execute controlled shutdowns during mains failure.

One of the standout strengths of the DBUF40-24 is its versatile operational flexibility, featuring a selectable buffer mode switch that allows users to choose between a Fixed 22Vdc threshold or a Dynamic Vin-1Vdc mode for more sensitive voltage tracking. The unit supports parallel connection, enabling engineers to scale the output ampacity or extend the hold-up time according to specific application needs. Integrated comprehensive protection mechanisms, such as internal MOSFET-based reverse polarity protection and short-circuit safeguards, ensure the longevity of both the module and the connected load. With its wide operating temperature range and robust metal housing, it is a superior choice for demanding electromechanical apparatus and network infrastructure.


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Eigenschaften für "DBUF40-24"
Breite: 160
Effizienz: 92
Gewicht: 0,90kg
Herstellergarantie: Three years
Höhe: 101
Länge: 233
Power: 500
Rated current: 20
Schutzart: IP20
Voltage: 85 VDC
Zulassungen: CE, UL

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