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The KC-821 is a LonWorks communicating 16-input controller of the K8 series.

  • The KC-821 is a 16-input controller with an interface of 8 Low Voltage Switches or 16 Dry Contacts. It is easy programmable, commissioning and uses by LonWorks Network communication with Kameleon software.


Microprocessor Echelonᴹᴰ 3150ᴹᴰ
Output 8 low voltage switches, with or without LED, or 16 dry contacts
Transmitter-receiver FTT-10A
Communications network LonWorksᴹᴰ, Echelonᴹᴰ on pairs of twisted wires n ° 22
Range Distance: Up to 2700 meters (8 858 ft) in bus mode and up to 500 meters (1 640 ft) in free topology, without repeater
Supply 24 Vc.a. and 18 Vc.a. with center tap, 125 mA
Terminals Pluggable
Temperature 0 ºC to 50 ºC (32 ºF to 122 ºF), Relative humidity 10 to 90% (non-condensing)
Dimensions 110 mm x 180 mm (4,3 po x 7,0 po)
IEC Standards Compliance IEC 60255-22-4: Fast Transient Disturbance Tests
Interoperable function ON time extension, Alerts, ON only, OFF only
Can be configured for - Switches WR-8501
- Dry contact input
- Occupancy Sensor


  • Multiple Group Management
  • Interoperable Function: Time-On Extension, Warming, On-Only, Off-Only
  • Can be configured with LNS based tool (plugin available) or with Kameleon K8 software
  • Can be configured for:
    • WR-8501 switches
    • Dry contact input
    • Occupancy Sensor
  • Compatible in all Kameleon Series Enclosures



1.24 MB
1.25 MB

Wiring diagram

Wiring diagram
260.78 kB
Wiring diagram
261.40 kB

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