LIGHT STAR KEJ-25 Marine Alarm Annunciator Module

Overview

LIGHT STAR KEJ-25 is a single window alarm annunciator module for marine ship alarm monitoring system. KEJ-25 adopts standard ISA alarm sequence, provides visual flashing light and audible alarm for machinery alarm, auxiliary system fault and navigation trouble signal. This LIGHT STAR KEJ-25 is widely stocked as spare alarm annunciator unit for marine bridge and engine room alarm assemblies.

Features

Light Star KEJ-25 Alarm Window Module supports standard alarm sequence: abnormal flash, acknowledge steady, normal reset. It has built-in audible buzzer and local acknowledge button for on-site operation.KEJ-25 uses clear translucent window for custom alarm label printing. It is compatible with Light Star main annunciator rack system, multi-module rack mounting for centralized alarm console. It supports alarm contact input from relay, sensor and PLC dry contact signal. This module is marine grade design, vibration resistant and moisture resistant. It complies with marine electrical specification, EMC compliant, designed for 24/7 continuous operation in engine control room, bridge and auxiliary machinery room of cargo ships, tankers and offshore vessels.

Specifications

LIGHT STAR KEJ-25 Single Point Annunciator ModuleBrand: LIGHT STAR Model: KEJ-25 Type: marine alarm annunciator window Input: dry contact alarm input Alarm sequence: ISA standard sequence Operation: local acknowledge button Indication: LED flashing / steady light Built-in: audible buzzer Mounting: rack chassis installation Protection class: IP20 Supply voltage: 24VDC marine standard Ambient temperature: -10℃ ~ +55℃ Status: legacy marine annunciator spare

Principle

LIGHT STAR KEJ-25 receives dry contact alarm signal from field equipment. This Annunciator Module triggers flashing light and buzzer when alarm comes. After crew acknowledge via local button, light turns steady and buzzer silences. When fault condition clears, alarm automatically resets to normal status. Alarm status signal can be fed back to alarm main controller.

Applications

LIGHT STAR KEJ-25 is deployed in ship engine room alarm console, bridge alarm panel, generator monitoring, cooling system, bilge and fire alarm auxiliary indication. LIGHT STAR KEJ-25 is stocked as spare alarm annunciator window for marine alarm monitoring assemblies.