{"product_id":"square-d-hdl36030-30a-600v-3-pole-circuit-breaker","title":"Square D HDL36030 - 30 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HDL36030 is a 30-amp, 600-volt, 3-pole molded case circuit breaker designed to protect branch circuits in panelboards and load centers with precision and reliability. Built for environments that demand steady performance across residential, commercial, and light industrial applications, this unit delivers consistent protection where it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this HDL36030 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, making it easier to fit into compact or crowded load centers without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by automatically adapting to current conditions, reducing nuisance trips while responding quickly to genuine faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ideal for three-phase circuits or multi-wire branch circuits, up to a 600V operating environment, delivering coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to be compatible with matching Square D OEM load centers and panelboards, ensuring a reliable fit and coordinated protection strategy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e suitable for residential service panels, commercial electrical rooms, and light industrial panels where dependable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere it fits best\u003c\/h3\u003e\n\u003cp\u003eUse the HDL36030 in panelboards and load centers that require 3-pole protection for three-phase equipment or multi-wire branch circuits. Its 30A rating makes it a practical choice for protecting feeders, motor loads, and distributed branch circuits in small-to-medium installations, all while maintaining safe voltage levels up to 600V.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDL36030\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips and use cases\u003c\/h3\u003e\n\u003cp\u003ePair the HDL36030 with compatible Square D load centers when upgrading an existing panel or configuring a new installation that requires reliable 3-pole protection. In commercial environments, use it to safeguard feeders supplying three-phase equipment like pumps, conveyors, or HVAC components. In residential or light industrial settings, it can protect main or sub-feed circuits where space is tight but dependable fault protection is non-negotiable.\u003c\/p\u003e \u003ch3\u003eWhy choose AmpState for this part\u003c\/h3\u003e\n\u003cp\u003e AmpState offers genuine Square D replacement parts with specifications that align precisely with your panelboard and load center requirements. This HDL36030 unit is engineered to deliver the same protective characteristics you rely on from the OEM, helping ensure system safety, uptime, and ease of replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355262308514,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_32c5a9ea-f4da-403d-be28-16ee0e7af978.png?v=1764690784","url":"https:\/\/www.ampstate.com\/products\/square-d-hdl36030-30a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}