1N4004 diode for Fail Security locks
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€0,09 (excl. VAT)
The 1N4004 diode is connected in parallel to fail security locks (such as the counter/strike type) to protect them from reverse currents in the lock coil. (NOT needed for BKU systems)
It is used when you connect fail security lock with the relay og Valcor GSM or Valcor remote contorls.
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