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SPK-A24 alarm system line equipment cross connect protection device

The protective device SPK-A12 is intended for protection of equipment connected to the alarm detection circuits, communication lines and secondary power supply lines of alarm systems against surge overvoltage (lightning and electrostatic discharges, etc.) within lightning protection zones 1 to 2 (in accordance with IEC 61312-1).

SPK-A24 is designed in the form of a single-pair plug to be inserted in cross-connect equipment – KRONE's normally-closed punch-down blocks (Krone LSA-PLUS system), placed in telecommunication enclosure.

Protected equipment: security detectors (SD), fire alarm control panels (FACP), alarm circuit network controllers (ACNC), etc.

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Specification