Cross-system components are suitable for both the SI surge system and the dupline bus system. Compatible output signals (e.g. 24 V DC or potential-free relays) also permit the use of these components for other automation systems. Otherwise these devices are completely self-sufficient. Bell transformers produce the output voltage for door signal systems such as bells, buzzers or gongs. These short-circuit proof, tested and certified transformers convert the mains voltage 230 V into low voltage. Features: Short circuit proof by PTC; tested according to EN 61558; certified by VDE and KEMA, marked with ENEC symbol for use throughout Europe; Mounting type: Rapid mounting on rails, mounting position random; applications: Rk series bell transformers are for AC power supply for e.g. bell systems. Closing systems and relay circuits used; Notes: After a short circuit, restart by briefly separating the primary side; if there is little load or no-load, the output voltage can increase; only for short-term loads; in case of permanent loads, we recommend the use of safety transformers.
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