Bosch 1 Amp LAN Power Supply Module

RS485 - CM720B

The CM720B is a 1Amp 13.8VDC power supply that can be used for sensors, locks or other devices on your system. When the CM720B power supply is connected to the control panel via the LAN, all of the CM720’s status information can be interrogated using the upload/download software or through any keypad. Information such as output voltage, output overload, low battery and AC fail are all monitored and can be displayed. The CM720B can also be used as a stand-alone 1Amp 13.8VDC power supply and battery charger.


  • Adds additional power capacity to your alarm panel
  • Includes battery backup charger (battery not included)
  • Self-resetting fuse
  • Fully supervised by alarm panel
  • Mounts as 1 module space in Solution series cabinets
  • Output 13.8VDC 1Amp max draw.
  • Max distance from the main panel using 4-Core = 300m
  • Operating Temperature 0c to 55c 85% Humidity at 30c
  • Compatible with: Solution 6000 (up to 8 modules), Solution 144, Solution 16i
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SKU: 271571 Category:

Power Requirements Voltage Input (Primary Source) 16-18V AC 50-60Hz – 24VA
External Power Adaptor 220-240V AC to 18V AC 50-60Hz – 24VA Internal Transformer
Stand-By Battery (Secondary Source) 12V DC, 7.2AH sealed rechargeable battery Panasonic LC-P12R2P or equivalent
Resettable Fuse  Protected @ 3 Amps Voltage
Output 13.8V DC @ 1 Amp. Ripple 100mV @ Full Load (Primary supply source only)
Battery Monitoring 11.5V DC Low battery trouble at keypads, low battery report sent (if programmed) 10.0V DC Shut down as voltage fails below 9V DC 13.0V DC Battery trouble clears from keypads, battery restore report sent (if programmed)
Module Connection (RS485 LAN): Max total LAN length using multi strand security cable = 300m Max total LAN length using 2 pair twisted shielded data cable (Belden 8723) = 1200m
Outputs 3 Output Terminals providing a total of 1 Amp output current (Re settable Fuse Protected)
AC Fail  50mA Max – Sink – 120mA – Overload Protected Low Battery – 50mA Max – Sink – 120mA – Overload Protected
Inputs Cabinet Tamper
Environmental Considerations Temperature 0 ° to 55°C Operating 5% to 85% at 30°C non-condensing
Enclosure Dimensions 115(W) x 86(D) x 30(H)mm
Warranty 3 years




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