General specifications
Type    DC version, positive polarity
Electrical specifications
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
Connection    terminals 1, 2; 3, 4
Safe area connection
Connection    terminals 5, 6; 7, 8
Working voltage    
Supply loop    max. 27 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)
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
EU-type examination certificate    BAS 01 ATEX 7005
Marking    Ex-Hexagon 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    Ex-Hexagon 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