| General specifications |
| Number of protected signal lines | 2 |
| Topology | non-grounded |
| Functional safety related parameters |
| Safety Integrity Level (SIL) | SIL 3 |
| Electrical specifications |
| Connection | protected area: terminals 4, 5
unprotected area: terminals 2, 3
shielding/grounding: terminal 1 (optional) |
| Rated current | 500 mA , restrictions see derating characteristics |
| Leakage current | < 3 µ,A at 24 V and 25 °C (77 °F) , line-line |
| Nominal voltage | 24 V DC |
| Maximum continuous operating voltage | 30 V DC |
| Series resistance | &le, 3 &Omega, per line |
| Impulse rating | 1 kV/0.5 kA (category C1)
10 kV/5 kA (category C2)
1 kA (category D1) |
| Impulse discharge current (10/350 µ,s) | 1 kA per line (2x) |
| Nominal discharge current (8/20 µ,s) | 5 kA per line (10x) |
| Total discharge current (8/20 µ,s) | 20 kA (1x) , overstressed fault mode 3 acc. to IEC 61643-21 |
| Voltage protection level | max. 45 V line-line for nominal discharge current In
max. 1400 V line-earth for nominal discharge current In |
| Impulse reset time | < 500 ms |
| Insertion loss | &le, 3 dB at 0 ... 900 kHz in 100 &Omega, system |
| Conformity |
| Electromagnetic compatibility | EN 61326-3-1:2017 |
| Degree of protection | IEC 60529:2013 |
| Functional safety | IEC/EN 61508:2010 |
| Surge protective devices for low voltage | IEC 61643-21:2000+A1:2008+A2:2012 |
| Ambient conditions |
| Ambient temperature | -40 ... 80 °C (-40 ... 176 °F)
Observe the temperature range limited by derating, see section derating. |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) |
| Relative humidity | max. 95 % , without condensation |
| Mechanical specifications |
| Degree of protection | IP20 , after mounting of the insulation spacer |
| Connection | spring terminals , max. core cross section 1 x 2.5 mm2 |
| Material | Polyamide (PA) |
| Mass | approx. 32 g |
| Dimensions | 6.2 x 72.4 x 93 mm |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Data for application in connection with hazardous areas |
| EU-type examination certificate | KIWA 19 ATEX 0003 X |
| Marking | II 2(1)G Ex ia [ia Ga] IIC T6...T4 Gb
II (1)D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I |
| Temperature class | T6, T5 or T4 , restrictions see derating characteristics |
| Voltage | 30 V |
| Current | 500 mA , restrictions see derating characteristics |
| Internal capacitance | negligible |
| Internal inductance | 20 µ,H |
| Directive conformity | |
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 |
| International approvals |
| IECEx approval | |
| IECEx certificate | IECEx KIWA 19.0003X |
| IECEx marking | Ex ia [ia Ga] IIC T6...T4 Gb
[Ex ia Da] IIIC
[Ex ia Ma] I |
| General information |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Accessories |
| Designation | - insulation spacer M-LB-2800
- terminal block USLKG5 |
