... epoxy for circuit breaker Epoxy embedded poles, or called vacuum interrupters with epoxy resin, is made by casting vacuum interrupters, ... parts with epoxy into an integral part. The vacuum interrupters, however, should be enveloped well with ... might represent the great advancement of insulation on vacuum breakers. Since the epoxy can be used to ... or abroad. 2000A Embedded Pole for Vacuum Circuit Breaker