ESN Type 8900 Potential Protection Device

ESN

Product Code: Type 8900
Artikelnummer: 240100
Brand: ESN



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Description for ESN Type 8900 Potential Protection Device

Special problems are encountered in DC-operated rail ways when it comes to contact and corrosion protection. On the one hand, electrical DC should be kept out of con tact with the ground as far as possible to avoid cor ro sion, on the other hand. Technical Data Dimensions W / H / D see drawing Housing Polyester / Makrolon Attachment Wall attachment straps Protection IP 55 Ambient temp. -20°C to +70°C Voltagelimiting device type 8961 Trigger value 120 V + 20% (bi-directional) Transient load see Data sheet part no. 250150 Short-circuit-load see Data sheet part no. 250150 Monitoring unit Type type 853800 Power supply AC 230 V Power consumption approx. 3 VA Measuring input approx. 1 M? Adjustment programing Output contact 1 change-over contact (potential-free)   trigger-delayed approx. 1 min to 108 h   voltage            current   AC 250 V         4.0 A (cos? > 0.7)   DC 110 V         1.0 A (ohmic) Displays by LED Connections   Power supply ? 4 mm² Message contact ? 4 mm² Earth potential threaded bolt M16 Ordering Information Type 8900 Order No. 240100

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