{"id":1651,"date":"2026-09-25T13:35:10","date_gmt":"2026-09-25T13:35:10","guid":{"rendered":"https:\/\/ritoks.com\/?post_type=product&p=1651"},"modified":"2026-09-25T13:35:10","modified_gmt":"2026-09-25T13:35:10","slug":"sda3-40-three-phase-solid-state-contactors","status":"publish","type":"product","link":"https:\/\/ritoks.com\/vi\/products\/sda3-40-three-phase-solid-state-contactors\/","title":{"rendered":"SDA3-40 \u2013 C\u00f4ng t\u1eafc b\u00e1n d\u1eabn ba pha"},"content":{"rendered":"
\"SDA3-40<\/figure><\/div>

Solid-State Contactors \u00b7 SDA3-40<\/p>

SDA3-40 Three-Phase Solid-State Contactors<\/h1>

SDA3-40 is a three-phase solid-state contactor for electrically controlled AC loads. Confirm load current, control input and heat-sink sizing.<\/p>

Three-phase 3PST-NO<\/strong>Output<\/span><\/p><\/div>

40A series designation<\/strong>Current<\/span><\/p><\/div>

Up to 480V AC, supplier listed<\/strong>Voltage<\/span><\/p><\/div>

Heat sink and control input variant<\/strong>Selection<\/span><\/p><\/div><\/div>

Request a Quote<\/a><\/div><\/div><\/div><\/div><\/div>\n\n

Overview<\/a> |<\/span> Models<\/a> |<\/span> Specifications<\/a> |<\/span> Applications<\/a> |<\/span> Selection<\/a> |<\/span> Faq<\/a> |<\/span> Related Products<\/a> |<\/span> RFQ<\/a><\/p><\/div>\n\n

Product Overview<\/h2>

Solid-state switching avoids mechanical contact wear but creates conduction heat. The selected variant needs thermal design for cabinet ambient and switching duty.<\/p><\/div>

Key Features<\/h3>