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The Surge Protection Barrier is designed to safeguard two signal lines operating at a nominal voltage of 24 V DC. This barrier effectively protects grounded signal lines against transient overvoltages, ensuring operational reliability in sensitive environments.
The Surge Protection Barrier is an essential component in industrial automation and control systems, where signal integrity and equipment protection are paramount. This device is specifically engineered to accommodate grounded signal lines, providing robust protection against high-energy surges that could potentially damage sensitive electronic equipment.
With a maximum surge current capacity of 20 kA (8/20 µs), the barrier ensures that connected devices remain operational even in the face of electrical disturbances. The connection is facilitated through screw terminals, allowing for secure and reliable wiring. Additionally, its DIN rail mountable design makes it suitable for various installation scenarios within control cabinets and enclosures.
This surge protection solution is compliant with IEC/EN 61508, achieving up to Safety Integrity Level (SIL) 3, making it a reliable choice for applications that demand high safety standards. Its use is common in sectors such as process automation, oil and gas, and other hazardous environments, where the protection of signal lines is critical to maintaining system integrity and safety.
| Number of protected signal lines | 2 | |
| Topology | grounded | |
| Safety Integrity Level (SIL) | SIL 3 | |
| Connection | protected area: terminals 4, 5 unprotected area: terminals 2, 3 shielding/grounding: terminal 1 (optional) |
|
| Rated current | 500 mA , restrictions see derating tables UL : 400 mA , restrictions see derating tables |
|
| Leakage current | < 6 µA at 24 V and 25 °C (77 °F) , line-line | |
| Nominal voltage | 24 V DC | |
| Maximum continuous operating voltage | 30 V DC | |
| Series resistance | ‰¦ 3 Ω 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 µs) | 1 kA per line (2x) | |
| Nominal discharge current (8/20 µs) | 5 kA per line (10x) | |
| Total discharge current (8/20 µs) | 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. 60 V line-earth for nominal discharge current In |
|
| Impulse reset time | < 500 ms | |
| Insertion loss | ‰¦ 3 dB at 0 … 700 kHz in 100 Ω system | |
| 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 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 | |
| Corrosion resistance | acc. to ISA-S71.04, severity level G3 | |
| Degree of protection | IP20 , after mounting of the insulation spacer | |
| Connection | screw terminals , max. core cross section 1 x 2.5 mm2 | |
| Material | Polyamide (PA) | |
| Mass | approx. 32 g | |
| Dimensions | 6.2 x 93 x 72.4 mm (0.24 x 3.7 x 2.8 inch) (W x H x D) | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Certificate | KIWA 19 ATEX 0002 X | |
| Marking | II 3G Ex ec IIC T6…T4 Gc | |
| Temperature class | T6, T5 or T4 , restrictions see derating tables | |
| Directive conformity | ||
| Directive 2014/34/EU | EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 | |
| UL approval | E501704 E501881 |
|
| Breakdown voltage | 30 … 45 V line-line at 100 V/s acc. to UL 497B 30 … 45 V line-earth at 100 V/s acc. to UL 497B < 1000 V at 100 V/µs acc. to UL 497B |
|
| IECEx approval | ||
| IECEx certificate | IECEx KIWA 19.0002X | |
| IECEx marking | Ex ec IIC T6…T4 Gc | |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
| ECLASS 13.0 | 27171202 | |
| ECLASS 12.0 | 27171202 | |
| ECLASS 11.0 | 27130805 | |
| ECLASS 10.0.1 | 27130805 | |
| ECLASS 9.0 | 27130805 | |
| ECLASS 8.0 | 27130805 | |
| ECLASS 5.1 | 27130801 | |
| ETIM 9.0 | EC000941 | |
| ETIM 8.0 | EC000941 | |
| ETIM 7.0 | EC000941 | |
| ETIM 6.0 | EC000941 | |
| ETIM 5.0 | EC000941 | |
| UNSPSC 12.1 | 39121610 | |
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