Door-opening Buttons - ESCHA

Technical information PK21 | PK22 | PK23 | PK28Nominal voltage24 VDC, 36 VDC, 72VDC, 110 VDC, 24 – 110 VDCStandards | Tests±30%Protection degree Front-sided IP67, according IEC60529Back-sidedIP67, according IEC60529Switching currentapprox. 200mAMechanic- | Dynamic-strengthaccording to IEC61373 and EN50155Closed-circuit currentapprox. 10mA (without LEDs)Climate- | Corrosion-resistanceaccording to EN50155Switching principleOne-part, hermetically sealed switch housing with multipointcontact and airpressure compensation system,Inflammability degreeS1 according DIN551017back-end electronics, output signal PNP (NO), short-circuitproof, reverse polarity protection, button debouncing ,High-voltage strengthaccording IEC60077-1switching-impulse length corresponding to activation period,min. 500ms, optionally microprocessor controlled withApprovals EWG Type approval (Kraftfahrtbundesamt e1)integrated switch powersupply for multivoltage rangeDB-standard BN65074 | Buttons for boarding doorsGOST- RLED-variants6 LED stand-by display+6 LED confirmation displayoptional: 6 LED stand-by display+5LED confirmationSwitching function | Connectivity configurationdisplay+1LED out-of-order display0V +Vcc output LED_1* LED_2* soundStandard6xgreen+6xred; 6xgreen+5xred+1xyellowFunction 1 (3-wire) blue brown blackothers on request6 LED stand-by at power-on +Vcc6 LED confirm at activationAcoustics (optional)Orientation-, confirm-, or warn sound individually programmableduration- or interval sound frequency range of 1...5kHz,Function 2 (4-wire) blue brown black whitesound pressure max. 53dBA6 LED stand-by separately controlled6 LED confirm at activationOperating temperature–40°...+80°CFunction 3 (5-wire) black white brown blue greyStorage temperature–40°...+95°C6 LED stand-by separately controlled6 LED confirm separately controlledLife cycle7 Mio. switching cyclesFunction 4 (6-wire) yellow orange black brown red greenActivation force7.5… 9N6 LED stand-by separately controlled6 LED confirm separately controlledSwitching path0.15mmseparately controlled acousticsMaterials Switch housing PC, UV stabilizedContactsCuZn, gold-platedSealing domeEPDMFixingringPA6GF15ZentraflexringNBRCablePUR, halogen-freeFunction 5Individual programming of outputsignal, LED function, separate inputsand acoustics*LED_1: Stand-by displayLED_2: Confirm display