{"product_id":"allen-bradley-837-a3-temperature-controller","title":"Allen-Bradley 837-A3 Temperature Controller","description":"\u003cdiv\u003e\u003cp\u003eAllen-Bradley 837-A3 Temperature Controller is a remote-bulb, capillary-style temperature switch from the 837-A family (Bulletin 837). It uses a Style A housing with a remote sensing bulb and capillary tube to sense temperature and actuate internal contacts at a built‑in setpoint, enabling automatic on\/off control of heating or cooling paths without external sensors. Variants in the 837-A3 line come in different enclosure styles and temperatures; for example, 837-A3JX720X221 specifies Style A with a remote bulb and capillary and a 125°F trip point in a Type 4 \u0026amp; 13 metallic aluminum enclosure, while 837-A3SX503X331C shows a 25–125°F switching range in a Type 4X non‑metallic enclosure. Electrical ratings commonly cited for the 837-A3 family include up to 600 V AC maximum and up to 5 A maximum switching current. These temperature controls are used to regulate heating elements and other thermal loads in industrial equipment where a compact, self-contained thermostat-style switch is required.\u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"New","offer_id":51657433415982,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_09721b47-be1f-4a83-8262-3b2df13481f6.jpg?v=1769468918","url":"https:\/\/plgautomation.com\/products\/allen-bradley-837-a3-temperature-controller","provider":"PLG Automation ","version":"1.0","type":"link"}