Ziton Isolator base

The Ziton ZP7-IB2-P isolator base protects Ziton addressable fire detection loops against short circuits. Up to 127 base isolators may be connected to each loop when this isolator is used in enhanced mode. Supports the old operating modes and are therefore backwards compatible with legacy isolators.

The ZP7-IB2-P allows the detector to be removed or replaced without disconnecting loop wiring from the detector. Intended for use on Class-A, return loop wiring configurations. By regulation, a zone of no more than 32 fire alarm devices must be located between isolators. In the event of a short circuit fault, the isolators on either side of the fault disconnects the section of cable between them. Devices inside the zone get disconnected, but devices outside the disconnected zone continue to operate normally. Meets the recommendations for loop monitoring in local codes like BS5839-1. It is possible to ensure that no devices are disconnected from the isolated section of cable. Every detector may be fitted with an isolator base, ensuring maximal device operation even in the event of a cable short circuit.

Adding a ZP7-IB2-P isolator base does not affect device addressing for that loop, as they require no addressing. A selectable lock facility is provided to lock the detector into the base and thereby preventing removal without a special tool. Situated on the white base moulding, a yellow LED indicator flashes when the isolator is activated.