{"product_id":"700-hb33a1-allen-bradley-general-purpose-3-pole-square-base-relay","title":"700-HB33A1 | Allen Bradley | General Purpose 3-Pole Square Base Relay","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 700-HB33A1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-capacity switching solution for industrial control panels requiring multi-circuit management. This 3-pole (3PDT) relay handles loads up to 15 Amps and operates via a standard 120V AC control signal. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring peak electrical performance and mechanical longevity in critical automation circuits.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 700-HB33A1 utilizes a square-base, blade-style architecture to maximize surface contact and electrical conductivity.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e700-HB33A1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3PDT (3 Form C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCoil Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120V AC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Amperage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlade-Style Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBase Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSquare Base\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVisual Indicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLED Indication \u0026amp; Mechanical Flag\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.20 lbs (0.09 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Circuit Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3PDT (3-pole, double-throw) configuration allows a single control signal to switch three independent loads simultaneously. This reduces the number of relays required in a panel, saving DIN rail space and simplifying the overall wiring architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Status Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 700-HB33A1 incorporates both an LED indicator and a mechanical flag. These features allow technicians to verify coil energization and contact position at a glance, significantly accelerating troubleshooting during commissioning or system downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Current Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated at 15 Amps, this relay manages significantly higher power loads than standard 5A or 10A control relays. The robust blade-style terminals provide a larger surface area for heat dissipation, preventing terminal overheating during continuous high-load operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Mechanical Seating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe square-base design provides superior mechanical stability compared to circular pin-style relays. When installed in compatible Allen Bradley 700-HN sockets, the blade terminals exert constant spring pressure, which prevents signal flickering in high-vibration environments such as stamping or heavy assembly lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary difference between the 700-HB and 700-HA series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 700-HB series (like the 700-HB33A1) utilizes a square base with blade-style terminals, whereas the 700-HA series uses a circular tube base with pin-style terminals. The 700-HB generally supports higher amperage (15A) compared to the standard 10A ratings often found in the 700-HA series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this relay require a specific socket for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You must mount the 700-HB33A1 into a compatible square-base socket, such as the Allen Bradley 700-HN153 or 700-HN154 series. Ensure the socket amperage rating matches or exceeds the relay's 15A capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 120V AC coil handle frequency variations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe dual-rated 50\/60 Hz coil allows the relay to operate globally. It maintains consistent pull-in and drop-out times regardless of whether the local power grid operates at 50 Hz or 60 Hz, ensuring predictable timing in your control logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a 2-pole relay with this 3-pole model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the socket supports a 3-pole configuration. Using a 3-pole relay in place of a 2-pole model provides an extra set of unused contacts, which engineers often utilize for future circuit expansion or local alarm feedback.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52788318372149,"sku":"700-HA33A1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/700-HA33A1.png?v=1777270002","url":"https:\/\/www.5gplc.com\/products\/700-hb33a1-allen-bradley-general-purpose-3-pole-square-base-relay","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}