Type 37TF includes an internal resistor wired in parallel with the contacts which serves as an aid to factory circuit testing where the contacts are open at room temperature.

 
  • 型號37TF包括有一個(gè)內部電阻,這個(gè)電阻與(一對)觸點(diǎn)并聯(lián)連接,這對觸點(diǎn)對出廠(chǎng)前的電路檢測能提供幫助,在室溫下,這對觸點(diǎn)是斷開(kāi)的。
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