Description

The System Sensor B224BI-WH and System Sensor B224BI-IV isolator bases intended for use in an intelligent system. Isolator bases prevent an entire communications loop from being disable when a short circuit occurs. They accomplish this by isolating that part of the loop containing the short from the remainder of the circuit. These
bases also automatically restore the entire loop when the cause of the short circuit is correct. In general, up to 25 addressable devices may be isolated between isolator bases. All wiring must be install in compliance with all applicable local codes and any special requirements of the local authority having jurisdiction, using the proper wire sizes.

The conductors used to connect smoke detectors to control panels and accessory devices should be color-coded to reduce the likelihood of wiring errors. Improper connections can prevent a system from responding properly in the event of a fire. Besides for signal wiring (the wiring between interconnected detectors), it is recommend that the wire be no smaller than 18 AWG (0.823 mm2). However, wire sizes up to 12 AWG (3.31 mm2) can be used with the base. Alarm system control panels have specifications for allowable loop resistance. Consult the control panel specifications for the total loop resistance allowed before wiring the detector loops.

• Features / Specifications
  • Can isolate up to 25 addressable devices between each isolator base.
  • Standard white color suitable for most indoor ceiling aesthetics.
  • Operating Temperature Range: 14°F to 140°F (-10°C to 60°C).
  • Standby Current: 450 µA max @ 24VDC.
  • Operating Voltage: 15 to 32 VDC.
  • Isolation Current: 15 mA max.
• Download the Specification sheet in *.pdf format