Power Supply Accessories

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• MEAN WELLModel DAP-04

  Power Supply Accessory, DALI to PWM, 4 channels

  Input Signal

  DALI or push dim

  Dimming Range

  1% to 100%

  Price on requestDAP-04 series · 2 models
  Request a quotation Compare MEAN WELL DAP-04 Power Supply Accessory, DALI to PWM, 4 channels
• MEAN WELLModel DAP-04-S01

  Power Supply Accessory, DALI to PWM, 4 channels

  Input Signal

  DALI or push dim

  Dimming Range

  1% to 100%

  Price on requestDAP-04 series · 2 models
  Request a quotation Compare MEAN WELL DAP-04-S01 Power Supply Accessory, DALI to PWM, 4 channels
• MEAN WELLModel DBUF20-24

  Power Supply Accessory, 24 V, 20 A buffer module

  Rated Output Current

  20 A max.

  Charging Voltage

  23 V to 30 V DC

  Price on request
  Request a quotation Compare MEAN WELL DBUF20-24 Power Supply Accessory, 24 V, 20 A buffer module
• MEAN WELLModel DBUF40-24

  Power Supply Accessory, 24 V, 40 A buffer module

  Rated Output Current

  40 A max.

  Charging Voltage

  23 V to 30 V DC

  Price on request
  Request a quotation Compare MEAN WELL DBUF40-24 Power Supply Accessory, 24 V, 40 A buffer module
• MEAN WELLModel DLC-02

  Power Supply Accessory, DALI-2 controller, 2 buses, Modbus TCP/IP

  Rated Output Power

  7.68 W

  Price on request
  Request a quotation Compare MEAN WELL DLC-02 Power Supply Accessory, DALI-2 controller, 2 buses, Modbus TCP/IP
• MEAN WELLModel DLC-02-KN

  Power Supply Accessory, KNX to DALI gateway, 2 buses

  Rated Output Power

  7.68 W

  Price on request
  Request a quotation Compare MEAN WELL DLC-02-KN Power Supply Accessory, KNX to DALI gateway, 2 buses
• MEAN WELLModel DLS-203-P

  Power Supply Accessory, DALI-2 PIR and daylight sensor, low mounting type, flush mounting

  Daylight Sensor Range

  2 lux to 65000 lux

  Dimensions

  diameter 89 x 34 mm

  Price on request
  Request a quotation Compare MEAN WELL DLS-203-P Power Supply Accessory, DALI-2 PIR and daylight sensor, low mounting type, flush mounting
• MEAN WELLModel DLS-208-P

  Power Supply Accessory, DALI-2 PIR and daylight sensor, high mounting type, flush or surfa

  Daylight Sensor Range

  2 lux to 65000 lux

  Price on request
  Request a quotation Compare MEAN WELL DLS-208-P Power Supply Accessory, DALI-2 PIR and daylight sensor, high mounting type, flush or surfa
• MEAN WELLModel DRDN20-12

  Power Supply Accessory, 12 V, 20 A redundancy module

  Voltage Drop (max.)

  0.25 V

  Efficiency (typ.)

  98%

  Price on requestDRDN20 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN20-12 Power Supply Accessory, 12 V, 20 A redundancy module
• MEAN WELLModel DRDN20-24

  Power Supply Accessory, 24 V, 20 A redundancy module

  Voltage Drop (max.)

  0.25 V

  Efficiency (typ.)

  98%

  Price on requestDRDN20 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN20-24 Power Supply Accessory, 24 V, 20 A redundancy module
• MEAN WELLModel DRDN20-48

  Power Supply Accessory, 48 V, 20 A redundancy module

  Voltage Drop (max.)

  0.25 V

  Efficiency (typ.)

  98%

  Price on requestDRDN20 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN20-48 Power Supply Accessory, 48 V, 20 A redundancy module
• MEAN WELLModel DRDN40-12

  Power Supply Accessory, 12 V, 40 A redundancy module

  Voltage Drop (max.)

  0.3 V

  Efficiency (typ.)

  98%

  Price on requestDRDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN40-12 Power Supply Accessory, 12 V, 40 A redundancy module
• MEAN WELLModel DRDN40-24

  Power Supply Accessory, 24 V, 40 A redundancy module

  Voltage Drop (max.)

  0.3 V

  Efficiency (typ.)

  98%

  Price on requestDRDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN40-24 Power Supply Accessory, 24 V, 40 A redundancy module
• MEAN WELLModel DRDN40-48

  Power Supply Accessory, 48 V, 40 A redundancy module

  Voltage Drop (max.)

  0.3 V

  Efficiency (typ.)

  98%

  Price on requestDRDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL DRDN40-48 Power Supply Accessory, 48 V, 40 A redundancy module
• MEAN WELLModel DUPS20

  Power Supply Accessory, 24 V, 20 A DC-UPS module

  Output Voltage

  21 V to 29 V DC

  Battery Type

  Lead acid

  Charging Current

  2 A

  Price on request
  Request a quotation Compare MEAN WELL DUPS20 Power Supply Accessory, 24 V, 20 A DC-UPS module
• MEAN WELLModel DUPS40

  Power Supply Accessory, 24 V, 40 A DC-UPS module

  Output Voltage

  21 V to 29 V DC

  Battery Type

  Lead acid

  Charging Current

  2 A

  Price on request
  Request a quotation Compare MEAN WELL DUPS40 Power Supply Accessory, 24 V, 40 A DC-UPS module
• MEAN WELLModel ERDN20-12

  Power Supply Accessory, 12 V, 20 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN20 series · 4 voltages
  Request a quotation Compare MEAN WELL ERDN20-12 Power Supply Accessory, 12 V, 20 A redundancy module
• MEAN WELLModel ERDN20-24

  Power Supply Accessory, 24 V, 20 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN20 series · 4 voltages
  Request a quotation Compare MEAN WELL ERDN20-24 Power Supply Accessory, 24 V, 20 A redundancy module
• MEAN WELLModel ERDN20-48

  Power Supply Accessory, 48 V, 20 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN20 series · 4 voltages
  Request a quotation Compare MEAN WELL ERDN20-48 Power Supply Accessory, 48 V, 20 A redundancy module
• MEAN WELLModel ERDN20-5

  Power Supply Accessory, 5 V, 20 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  97%

  Price on requestERDN20 series · 4 voltages
  Request a quotation Compare MEAN WELL ERDN20-5 Power Supply Accessory, 5 V, 20 A redundancy module
• MEAN WELLModel ERDN40-12

  Power Supply Accessory, 12 V, 40 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL ERDN40-12 Power Supply Accessory, 12 V, 40 A redundancy module
• MEAN WELLModel ERDN40-24

  Power Supply Accessory, 24 V, 40 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL ERDN40-24 Power Supply Accessory, 24 V, 40 A redundancy module
• MEAN WELLModel ERDN40-48

  Power Supply Accessory, 48 V, 40 A redundancy module

  Voltage Drop (max.)

  0.2 V

  Efficiency (typ.)

  98%

  Price on requestERDN40 series · 3 voltages
  Request a quotation Compare MEAN WELL ERDN40-48 Power Supply Accessory, 48 V, 40 A redundancy module
• MEAN WELLModel ICL-16L

  Power Supply Accessory, 230 V AC, 16 A, linear case

  Input Voltage Range

  180 V to 264 V AC

  Rated Current

  16 A continuous

  Inrush Current Limiting

  23 A

  Price on request
  Request a quotation Compare MEAN WELL ICL-16L Power Supply Accessory, 230 V AC, 16 A, linear case

Choosing a power supply accessory

• Redundancy modules: combine two supplies so the load stays powered if one fails, in 1+1 or N+1 setups.
• Buffer and DC-UPS modules: ride through short dips with stored energy or switch to a battery during an outage.
• Inrush and surge protection: limiters and protectors for the AC side of a power installation.
• DALI and KNX: lighting control sensors, KNX couplers, USB interfaces and IP routers.

Match each module's voltage and current rating to the supplies and load it serves, and check the voltage drop and the DC OK relay signals if a controller monitors the supply. Each accessory names the series or system it suits, so confirm that before ordering.