IEC Zener barrier Z 787

housinghousingfor DIN rail

The Zener barrier limits the amount of energy transferred from the non-hazardous area to the hazardous area. Description The Zener barrier Z 787 is used for evaluation of up to 2 signals from the hazardous area. No separate supply voltage required. Technical data Housing DIN rail housing W x H x D: 12.5 x 115 x 110 mm Supply voltage Max. DC 28 V Fuse rating 50 mA Connection 2-channel DC version, positive polarity Current circuits (max. data) U0: 28 V I0: 93 mA P0: 650 mW Nominal resistance 300 Ohm Operating temperature range Ambient: -20/+60 °C EU type examination certificate IEC Ex BAS 09.0142 Ex II (1) GD [Ex ia] IIC Ex II (1) GD [Ex ia Ga] IIC, [Ex ia Da] IIIC