{"product_id":"allen-bradley-700-hb33a1-purpose-relay","title":"Allen-Bradley 700-HB33A1 Purpose Relay","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 700-HB33A1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e700-HB33A1\u003c\/strong\u003e General Purpose Relay, operates as a dedicated hardware component for interposing isolation and load switching within industrial panel control circuits. The module utilizes a 120 VAC control coil to actuate three independent power contacts, converting low-voltage logic signals into 15 A 3PDT electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e700-HB33A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBulletin 700-HB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003eRelays \u0026amp; Sockets \/ General Purpose Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.20 lbs (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eSquare Base Plug-In Relay Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e120 VAC (50\/60 Hz Coil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003e3PDT (3 Pole Double Throw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSquare Base Blade-Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003eVisual Mechanical ON\/OFF Indicator \u0026amp; LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eI\/O Density Scaling \u0026amp; Deterministic Control Execution\u003c\/h3\u003e\n\u003cp\u003eDesigned for plug-in installation into panel socket bases, the \u003cstrong\u003e700-HB33A1\u003c\/strong\u003e supports high-density cabinet layouts and I\/O density scaling across Allen-Bradley Logix and SLC systems. The 3PDT contact architecture enables simultaneous switching of multiple isolated control loops from a single coil trigger. Its high coil sensitivity and mechanical response times maintain deterministic relay execution when interfacing PLC digital output cards with high-current field actuators or alarm annunciation panels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the integrated LED indicator draw power directly from the 120 VAC coil control circuit?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the internal LED status light connects in parallel across the 120 VAC coil terminals, illuminating automatically whenever control power is applied to indicate active coil energization.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 700-HB33A1 relay be plugged into a standard Bulletin 700 square base socket under load?\u003c\/p\u003e\n\u003cp\u003eA: No, while the blade-style square base allows rapid physical replacement, power to the socket base must be de-energized prior to inserting or removing the relay to prevent arcing across the terminal pins.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInsert the square base blade terminals into a compatible Bulletin 700 relay socket, applying firm pressure until the relay sits fully flush against the socket body.\u003c\/li\u003e\n\u003cli\u003eSecure the relay retaining clip over the housing to ensure mechanical stability under high-vibration panel conditions.\u003c\/li\u003e\n\u003cli\u003eWire control inputs to the 120 VAC coil terminals using stranded copper conductors, maintaining clear separation from high-current output load wiring.\u003c\/li\u003e\n\u003cli\u003eVerify that field load currents on each 3PDT contact set do not exceed the 15 A resistive continuous rating.\u003c\/li\u003e\n\u003cli\u003eGround the socket DIN rail mounting clip directly to the main panel ground plane to satisfy electrical safety bonding requirements.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48816908435646,"sku":"700-HB33A1","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/700-HB33A1_20_5e352ef3-6536-4cb7-9c42-1925ec33986a.png?v=1788161442","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-700-hb33a1-purpose-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}