ELK P212S Supervised Remote Power Supply






The ELK-P212S is a Supervised Remote Power Supply / Battery Charger, providing 12 VDC output with up to 2 Amps of total current. It supervises the AC Power Input as well as the rechargeable Battery, and can report abnormal conditions back to an ELKM1 Control over the RS485 four (4) wire data bus. It also features relay outputs for AC and Low Battery to allow “stand-alone” operation with other Controls (Security, Access, CCTV products, etc.). Power from the P212S can be used to increase the capacity of a control, or to remotely power devices such as motion detectors, keypads, zone expanders, sirens, annunciators, etc



  • Regulated 12VDC Output with up to 2 Amps of current
  • Energy Efficient ESMT – Elk Switch Mode Technology ensures low idle power
    with maximum output headroom
  • Automatic output over-current protection (PTC)
  • Master AC and Battery ON / OFF Power Switch
  • Visual AC Power Indicator
  • Innovative EBT – Elk Battery Technology circuit provides maximum battery life
    – Controlled charge ramp and maintenance algorithm
    – Low Battery cut-off protects battery from deep discharge
  • M1 Control allows
    – Remote power reset of powered peripherals
    – Data-bus supervision of AC and Battery status
  • Stand-alone flexibility
    – Two (2) sets of DC outputs
    – One (1) on-board relay to supervise battery status
    – One (1) on-board relay to supervise AC status


  • AC Input: 16.5VAC, 45VA (ELK-TRG1640 or equiv.)
  • DC Output Voltage: 13.8 Volts D.C. +/- 5%
  • Current Rating: 2.0 Amps
  • Wattage: 30 Watts
  • DC Output Protection: Auto Resetting PTC
  • Rechargeable Battery Size: Max. 12 Ah
  • Low Battery Cutoff Threshold: ~10 Volts.
  • Load Regulation: + / – 2%
  • 2 Year Warranty
  • Size:  5.5″ x 3.25″ x 1.25″


  • Model: ELK P212S
  • 17 Units in Stock
  • Manufactured by: ELK Products

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