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Compact Explosion-Protected Emergency LightFitting with Self-Contained Battery UnitSeries nD848...Note:Special versions available for extreme conditions(wastewater and rainwater reservoirs, water treatmentplants) – Please consult us.Maintained operationLight switchEmergency light fittingBattery conductorCommissioning: Connect batteryDecommissioning: Disconnect batteryLamp: Lights in mains operation and in batterymode on mains failureStand-by mode: do not connect L1‘SCHUCH Quality - your advantage:Application:Hazardous areas in Zones 2 and 22 assafety illumination and as information orescape route lighting.Mechanical design:Housing: Glass fibre reinforced polyester.Cover: Clear polycarbonate with internalprisms, hinged and detachable.Reflector: White painted sheet steel, hingedand removable.Central locking system: Operated by ahexagonal socket key 13mm.Isolating switches: 2 Switches cutting offall poles when the light fitting is opened.Mandatory optical indicator showing theactual position of the switch.Connection terminals: Standard: L1 + L1’ +N + PE, up to 2.5 mm².Cable entries: 2 entries M25 x 1.5 (2 cableglands, 1 with blanking plug enclosed).Through wiring: Standard with looping ofmains cable at one end 3 x 2.5mm².Mounting: Side fixing brackets allow directmounting on to walls or ceilings.Electrical design:Microprocessor-controlled intelligent emergencylighting electronics with electronicballast (EVG) with “end-of-life” protectionacc. to IEC 61347-2-3. Redundant deepdischarge protection and restart block.Multi-function LED for monitoring theemergency function and coded indicationof status.NiCd batteries: 6 V/2.5 Ah or 6 V/1.5Ah, maintenance-free, located in thebattery box, easy replacement. Electricaldisconnection whenever the polycarbonatecover is opened.Automatic monitoring: Weekly functiontest, and annual 2/3 operating-time test.Test results shown by LEDs on the fitting.Recharging time: (Electronic deep dischargeprotection) 24h, acc. to EN 60598-2-22.Mode of operation:Maintained mode: Switches over to batteryoperation in the event of a mainsfailure.Connection terminals: Standard: L1, L1’,N, PE; up to 2.5 mm².1. Direct phase L1, (or L2, L3) comesfrom the circuit fuse and is directly (notvia the switch) connected to L1 terminal(or L2, L3) (= charging phase). Consequently,if the light fitting is switchedoff, the direct phase is live unless thefuses are open or removed.2. Switched phase L1' (or L2', L3') goesto connection terminal L11 (or L21, L31)via the switch and must be electricallyidentical to the direct phase L1 (or L2,L3).3. Neutral conductor N: In the case ofnetworks with 220V between phases, a2nd phase, e.g. L2 or L3, is selected insteadof the N conductor.4. Earth conductor PEExplosionsgeschützteExplosion-proofLight Leuchten Fittings Zone Zone 2/22 2/22• intelligent microprocessor-controlled emergency electronics with integralelectronic ballast (EVG).- „end-of-life protection" (acc. to the latest standards IEC 60079-7 with 2 safety circuitstest 1 and test 2)- multi-function LED with coded indication of function, status and possible failures ofthe electronics and batteries- special signal whenever there is an EOL situation (flashing red LED)- maintained or stand-by mode wiring- weekly automatic function test- annual automatic operating-time test- manual function and operating–time tests possible at anytime- easy battery replacement even in the hazardous area• excellent design allowing an easy and fast mounting/maintenance of the luminaire- central locking system with hingeable diffuser for an easy lamp replacement- easily accessible terminal compartment behind the detachable reflector• for use in a wide range of ambient temperatures -20°C up to + 55°C- with intelligent electronic charging of the battery even at -20°CLooping the cable on one end:All light fittings of series nD848... have 2 cable entriesM25 x 1.5 on the connection end of the housing,thus allowing a more economical cablelooping at one end instead of the classical throughwiring system (surcharge for 5-pole version).Bitte Subject beachten to technical Sie diechanges, Hinweise im misprints Technischen and errors. Anhang!Technische Änderungen, Druckfehler und Irrtümer vorbehalten.47