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SDC 1 Amp 12/24V Modular Power Supply Only, 621B

Availability: In stock

  • Buy 6 for $110.30 each and save 5%
  • Buy 12 for $104.49 each and save 10%

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SDC 1 Amp 12/24V Modular Power Supply Only, 621B

SDC 1 Amp 12/24V Modular Power Supply Only, 621B

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  • SDC 1 Amp 12/24V Modular Power Supply Only, 621B


SDC 1 Amp Modular Power Supply, 621B

Power supply module only, retrofit mounting hardware includes flush mount standoffs or Velcro. Will require external power source such as a plug in transformer (40VA @ 24VAC) to operate.

The 621 Series access control power supplies are designed to support access controls and electric locking devices. Equipped with two power limited outputs, the modular design enables versatility for installations with or without battery back-up or fire command center interface for emergency lock release.

The SDC 621 Value Series is low cost while loaded with value added features such as, field selectable 12/24VDC output, emergency release input, emergency release manual reset, battery charger and 2 control inputs

  • 12VDC or 24VDC field selectable output
  • 1 Amp maximum, filtered and regulated outputs:

- 1 power limited switched output
- 1 power limited auxiliary output

  • Two control inputs:

- 1 trigger input, normally open (NO)
- 1 supervised emergency release input (latching with reset or non-latching)

  • When latching emergency release is selected and the switched output is deactivated by emergency release or power loss, power is restored by manual means only.
  • Short circuit and thermal overload protection
  • Battery charger output
  • Automatically switched to battery back-up when AC fails
  • Board equipped with AC input, DC output and battery status LED indicator

Battery Information (Sold Seperately)

  • For 12V operation, (1) battery is needed, part #RB12V4. This will provide 5 hours @ 1 amp operation back up power.
  • For 24V operation, (2) batteries are needed, part #RB12V4-2. This will provide 10 hours @ 1 amp operation back up power.
  • Emergency release input overrides battery back up, has to be restored manually after emergency release input is triggered.


Additional Information

Weight 1.0000
Manufacturer Security Door Controls
Ampage 1 Amp
Voltage 12/24 VDC

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