datasheet - Leutron GmbH
datasheet - Leutron GmbH
datasheet - Leutron GmbH
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High performance surge protector<br />
for RS 485 interfaces<br />
Nominal impulse discharge current<br />
20 kA, 8/20 µs<br />
Operating current 0.5 A<br />
Direct mounting on DIN rail<br />
Equipment Protection for RS 485<br />
Interfaces<br />
Product description<br />
DataPro-RS485-Tr has been designed<br />
for the protection of RS485<br />
interfaces.<br />
Due to its high discharge capacity<br />
of 20 kA (line-to-ground, wave form<br />
8/20 µs) and to its easy installation<br />
on a DIN rail, it can be used universally.<br />
It consists of a two-stage protective<br />
circuit with gas-filled arresters used<br />
as primary protection. The fine protection<br />
is effected exclusively by<br />
filters and suppressor diodes. There<br />
are no significant leakage currents<br />
due to the absence of varistors,<br />
making remote alarm contact for<br />
fault indication and regular control<br />
checks unnecessary. In the event of<br />
an overload, the suppressor diodes<br />
will provoke a short-circuit (fail-safe)<br />
that will continue to protect the<br />
connected equipment and send a<br />
default message to the system.<br />
Dimensions (mm)<br />
70<br />
Subject to technical modifications, ©<strong>Leutron</strong><br />
<strong>Leutron</strong> <strong>GmbH</strong>, Humboldtstr. 30, D-70771 Leinfelden-Echterdingen<br />
Tel. +49 711 9 47 71-0, Fax +49 711 9 47 71-70, eMail: info@leutron.de, Internet: www.leutron.de
Surge Protection<br />
DataPro-RS485-Tr<br />
Technical Data<br />
Application<br />
Surge protective device for RS485-interfaces<br />
Type<br />
DataPro-RS485-Tr<br />
Rated D.C.voltage UN [V=] 5<br />
Max. D.C. operating voltage UB [V=] 6<br />
Max. A.C. operating voltage UB [V~] 4.25<br />
Max. operating current IB [A] 0.5<br />
Leakage current at Umax-DC IL [µA] ≤ 5<br />
Max. frequency (3 dB)* fG [kHz] 1000<br />
D.C. current resistance RDC [Ω] 1.8<br />
Longitudinal inductance L [µH] 10<br />
Capability line-to-ground C [nF] ≤ 3<br />
Protection level line-to-line (1kV/µs) Uas [V] ≤ 8.5<br />
Protection level line-to-ground (1kV/µs) Uas [V] ≤ 600<br />
Nom. impulse discharge current (8/20 µs) ISN [kA] 20<br />
Response time tA [ns] ≤ 1<br />
Operating temperature range t [°C] -25 - +85<br />
Max. cross section for terminal input [mm 2 ] 2.5 rigid or 1.5 stranded with sleeve<br />
Housing /Colour<br />
Polycarbonate halogen-free/yellow<br />
Casting compound<br />
Polyurethane<br />
Mounting 35 mm DIN 3 rail acc. to EN 50 022<br />
Article number 27 04 85<br />
* Measuring of insertion loss at 50 Ω<br />
Diagram<br />
Subject to technical modifications, ©<strong>Leutron</strong><br />
<strong>Leutron</strong> <strong>GmbH</strong>, Humboldtstr. 30, D-70771 Leinfelden-Echterdingen<br />
Tel. +49 711 9 47 71-0, Fax +49 711 9 47 71-70, eMail: info@leutron.de, Internet: www.leutron.de<br />
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