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Sew rectifiers

Sew rectifiers

Sew rectifiers

(OP)
Greetings to all,
     I'm just new here, and I would like to ask if what are the main causes on why do SEW bge 1.5 rectifiers to go bad, together with its brake coil? Thank you.

 Best regards,
  

RE: Sew rectifiers

I believe the brake coil will draw excessive current if the brake plate can't seat correctly.  That either burns the coil out or the diodes.

Keith Cress
kcress - http://www.flaminsystems.com

RE: Sew rectifiers

Or you have applied the wrong voltage to the brake coil. Happens a lot when people retrofit VFDs or soft starters without separating the brake coil circuit.  

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