Products Our motto "Technology for Environmental Protection" has long been an inherent part of our product development philosophy and product range. More Informations Industries & Topics Industries & Topics Overview Fuel oil components Fuel oil components Overview Fast and clean oil filter change Avoiding fungal attacks in biofuel More performance with the sintered plastic sieve AFRISO Smart Home AFRISO Smart Home Overview Gateway HG 02 Products Products Overview Gateway Produkte Sicherheit Komfort Raumklima AFRISOhome App Alexa Smart home applications Smart home applications Overview Leakage security Security Stand-alone applications Stand-alone applications Overview Getting started with AFRIShome Smart Home Craft 4.0 Craft 4.0 Overview EUROLYZER® CAPBs®-Sets CAPBs®-Sets Overview App OEM-Manifold systems Hydraulic Balancing Hydraulic Balancing Overview Vario-DP Tank conversion Hygienic processes AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search Industrial technology Display units, signal processing Z 787 Images 1 Z 787 Zener barrier Variants Documents Application The Zener barrier limits the amount of energy transferred from the non-hazardous area to the hazardous area.If used in conjunction with AFRISO 2-wire Ex devices, only usable as a single-channel system. Description The Zener barrier Z 787 barrier is used for evaluation of up to 2 signals from the hazardous area. No separate supply voltage required.If used in conjunction with AFRISO 2-wire Ex devices, only usable as a single-channel system. Variants Technical data Variants Part no.Zener barrier Z 78731296 in-stock items manufactured goods Technical data HousingDIN rail housingW x H x D: 12.5 x 115 x 110 mmsupply voltagemax. DC 28 VFuse rating 50 mAConnection2-channelDC version, positive polaritycurrent circuits (max. data)U0: 28 VI0: 93 mAP0: 650 mWNominal resistance300 OhmOperating temperature rangeAmbient: -20/+60 °CEU type examination certificateIEC Ex BAS 09.0142 Ex II (1) GD [Ex ia] IICEx II (1) GD [Ex ia Ga] IIC, [Ex ia Da] IIIC Related products
AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search
Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search
Images 1 Z 787 Zener barrier Variants Documents Application The Zener barrier limits the amount of energy transferred from the non-hazardous area to the hazardous area.If used in conjunction with AFRISO 2-wire Ex devices, only usable as a single-channel system. Description The Zener barrier Z 787 barrier is used for evaluation of up to 2 signals from the hazardous area. No separate supply voltage required.If used in conjunction with AFRISO 2-wire Ex devices, only usable as a single-channel system. Variants Technical data Variants Part no.Zener barrier Z 78731296 in-stock items manufactured goods Technical data HousingDIN rail housingW x H x D: 12.5 x 115 x 110 mmsupply voltagemax. DC 28 VFuse rating 50 mAConnection2-channelDC version, positive polaritycurrent circuits (max. data)U0: 28 VI0: 93 mAP0: 650 mWNominal resistance300 OhmOperating temperature rangeAmbient: -20/+60 °CEU type examination certificateIEC Ex BAS 09.0142 Ex II (1) GD [Ex ia] IICEx II (1) GD [Ex ia Ga] IIC, [Ex ia Da] IIIC
