Zener Barrier Z7872-channel, DC version, positive polarity, Working voltage 26.5 V at
10 µA, Series resistance max. 327 Ω, Fuse rating 50 mA, DIN rail
mountable, With diode return, Type: DC version, positive polarity Technical Data General specifications |
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Type | DC version, positive polarity | Electrical specifications |
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Nominal resistance | 300 Ω | Series resistance | terminals 1, 8: max. 327 Ω | Voltage drop | terminals 4, 5: 1.2 V + (36 Ω x signal current) | Fuse rating | 50 mA | Hazardous area connection |
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Connection | terminals 1, 2; 3, 4 | Safe area connection |
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Connection | terminals 5, 6; 7, 8 | Working voltage | | | Supply loop | max. 27 V | | Measurement loop | max. 26.5 V at 10 µA | Conformity |
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Degree of protection | IEC 60529 | Ambient conditions |
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Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | Storage temperature | -25 ... 70 °C (-13 ... 158 °F) | Relative humidity | max. 75 % , without condensation | Mechanical specifications |
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Degree of protection | IP20 | Connection | screw terminals | Core cross section | max. 2 x 2.5 ... mm2 | Mass | approx. 150 g | Dimensions | 12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D) | | Height | 115 mm | | Width | 12.5 mm | | Depth | 116 mm | Construction type | modular terminal housing , see system description | Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | Data for application in connection with hazardous areas |
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EU-type examination certificate | BAS 01 ATEX 7005 | | Marking | II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I | | Voltage | 28 V | | Current | 93 mA | | Power | 650 mW | Supply | | | Maximum safe voltage | 250 V | Series resistance | min. 301 Ω | Certificate | TÜV 99 ATEX 1484 X | | Marking | II 3G Ex nA IIC T4 Gc | Directive conformity | | | Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010 | International approvals |
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FM approval | | | Control drawing | 116-0118 | UL approval | | | Control drawing | 116-0139 (cULus) | IECEx approval | | | IECEx certificate | IECEx BAS 09.0142
IECEx BAS 17.0091X | | IECEx marking | [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
Ex ec IIC T4 Gc |
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