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  Silent Knight SK-B501 4 Inch Base

Silent Knight SK-B501 4 Inch Base


Our Price : $13.57

Product Code: SK-B501


The Silent Knight B501 4" Mounting Base is a plug in detector base for System Sensor style detectors intended for use with IntelliKnight series fire alarm control panels (FACPs). The B501 has screw terminals for power (+) and (-) and remote annunciator connections. Communication takes place over the power (+) and (-) lines.



B210LP Diameter: 6.1" (155 mm)
B501 Diameter: 4.1" (104 mm)


Wire Gauge: 18-12


Terminal 1: Power (-) and Optional RA100Z
Terminal 2: Power (+)
Terminal 3: Optional RA100Z Remote Annunciator


Operating Temperature: 32F - 150F (0C - 66C)
Humidity: 10% - 93% non-condensing
Ordering Information:
B210LP 6" Mounting Base
B501 4" Mounting Base
  • Plug-in mounting provides ease of installation
  • Tamper-proof feature prevents removal of the detector without the use of a tool
  • Range of mounting options to meet any application
  • B501 allows for aesthetically pleasing installation with Recessed Mounting Kit (PN RMK400)
  • Rotary address switches for fast installation
  • Optional remote LED annunciator (PN RA100Z)
  • SEMS screws, 12-22 AWG
  • UL Listed

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