参数表节选：的技术参数 Z728.H
| General specifications | ||
|---|---|---|
| Type | DC version, positive polarity | |
| Electrical specifications | ||
| Nominal resistance | 240 Ω | |
| Series resistance | max. 250 Ω | |
| Fuse rating | 80 mA | |
| Hazardous area connection | ||
| Connection | terminals 1, 2 | |
| Safe area connection | ||
| Connection | terminals 7, 8 | |
| Working voltage | ||
| Supply loop | max. 26.9 V | |
| Measurement loop | max. 26.5 V at 10 µA | |
| Conformity | ||
| Degree of protection | IEC 60529 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Storage temperature | -25 ... 70 °C (-13 ... 158 °F) | |
| Relative humidity | max. 75 % , without condensation | |
| Mechanical specifications | ||
| 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) | |
| 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 | ||
| 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 (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2] | |
| Voltage | 28 V | |
| Current | 120 mA | |
| Power | 830 mW | |
| Supply | ||
| Maximum safe voltage | 250 V | |
| Series resistance | min. 235 Ω | |
| Certificate | TÜV 99 ATEX 1484 X | |
| Marking | II 3G Ex nA IIC T4 Gc [device in zone 2] | |
| Directive conformity | ||
| Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010 | |
| International approvals | ||
| 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 | |
