Products Our motto "Technology for Environmental Protection" has long been an inherent part of our product development philosophy and product range. We strive to improve the environment, to make processes which work with greater environmental compatibility and to avoid putting a strain on the environment. We offer you a multitude of innovative solutions, new products and smart concepts. More Informations Industries & Topics Industries & Topics Hygienische Prozesse Hydraulischer Abgleich Hydraulischer Abgleich Vario-DP VarioQ Green Fuels Ready OEM-Lösungen Smart Home Smart Home Products Anwendungen Anwendungen intelligent underfloor heating Komfortable Heizkörperregelung Alexa APP Products Gateway 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 Data exchange formats Contact persons Service Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Events Events Exhibitions Exhibitions drinktec 2025, München Search Industrial technology Display units, signal processing 31296 Ex-Zenerbarriere Z 787 Images 1 Back Zener barrier Z 787 | 31296 Zener barrier Z 787 in-stock items 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. Technical data 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
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 Data exchange formats Contact persons Service Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Events Events Exhibitions Exhibitions drinktec 2025, München Search
Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Events Events Exhibitions Exhibitions drinktec 2025, München Search
Images 1 Back Zener barrier Z 787 | 31296 Zener barrier Z 787 in-stock items 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. Technical data 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