BW340MTPN is an enclosed switch disconnector, also known as a disconnect switch or isolator switch.
"3P" designation signifies that the switch disconnector has three poles. In electrical terminology, a pole refers to a set of contacts that opens or closes the circuit.
"40A" designation indicates the maximum rated current of the switch disconnector, which is 40 amperes.
weatherproof enclosure of the BW340MTPN provides protection against environmental factors such as dust, moisture, and weather elements.
enclosed design of the switch disconnector provides additional protection for the internal components against environmental factors and accidental contact.