• Telephone0086-0577-62698923
  • E-mailsales@huimultd.com
  • AddressNo.266 Liujiang Road, Wenzhou, Zhejiang, China



By default, the pole of the BBM (break-before-make, break before make) SPDT switch is connected to NO throw circuit and disconnected from the NC throw circuit. When the break-before-make switch is switched, it will first disconnect to the NO circuit, and then connect to the NC circuit.