RE: Short circuit/Control Panel - 220 V relay coils

• To: tesla-at-poodle.pupman-dot-com
• Subject: RE: Short circuit/Control Panel - 220 V relay coils
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Sat, 07 Jun 1997 19:13:46 -0500
• Approved: tesla-at-stic-dot-net

Subject:  RE: Short circuit/Control Panel - 220 V relay coils
  Date:   Sat, 7 Jun 97 06:19:21 UT
  From:   "William Noble" <William_B_Noble-at-msn-dot-com>
    To:   "Tesla List" <tesla-at-pupman-dot-com>


just a comment - a coil rated 220 VAC will work fine if you build a
simple 
bridge rectifier and give it 110 DC - add a capacitor (filter) of 20 to
100 
microfarads to keep the coil from buzzing and to give it a bit more
voltage.

snip  -----
. Be aware that most of
the contactors out there are using 220 volt relay coils. If that is
all you can find (and you need a 110 type), then get a 110 to 220
volt transformer to power the coil. The contacts can be used for
either 110 or 220.
snip

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