{"product_id":"square-d-hrl36100u31x-100a-3p-600v-circuit-breaker","title":"Square D HRL36100U31X 100A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003eSquare D HRL36100U31X is a dependable 100 A, 3-pole, 600 V circuit breaker designed for everyday electrical work. Built to protect panelboards, load centers, and electrical distribution systems, this unit is a solid choice for retrofit projects and ongoing maintenance where keeping the same part number matters. Why this breaker stands out for real-world use\n- Consistent part number for retrofit and maintenance planning: When you’re replacing or stocking spare parts, using a breaker with a stable part number reduces compatibility guesswork and project delays.\n- Robust three-pole design for three-phase systems: The 3-pole configuration supports common 3-phase installations up to 600 V, providing reliable circuit protection across feeders and distribution paths.\n- 100 A capacity for demanding circuits: Ideal for safeguarding mid-to-high current branches in commercial or light industrial environments, while fitting into standard Square D panelboard footprints.\n- Ready availability from AmpState: A trusted source for Square D components, with support to confirm fit and compatibility when you’re integrating with existing panels or upgrading distribution layouts. Key specifications at a glance\n- Amperage: 100 A\n- Poles: 3\n- Voltage rating: 600 V\n- Part Number: HRL36100U31X\n- Manufacturer: Square D\n- Product Type: Circuit Breaker Ideal use cases and who benefits\n- Retrofit projects where panel compatibility and part-number stability are crucial\n- Spare-part stock for maintenance teams that service Square D panelboards and load centers\n- Upgrades or replacements in 3-phase electrical distributions that require reliable protection up to 600 V\n- Facilities managers and electricians who prioritize long-term availability and straightforward sourcing How this compares to alternatives (practical considerations)\n- Designed for compatibility with Square D panelboards and distribution systems, reducing the risk of mismatched trip curves or mounting issues common with generic substitutes.\n- A focused, high-reliability option for customers who need a consistent part number across multiple sites and long-term maintenance cycles. Practical tips for use and installation\n- Verify that your system voltage and panel type align with a 600 V, 3-pole breaker before installation.\n- Keep a spare HRL36100U31X on-hand for planned maintenance to minimize downtime during light or routine service.\n- When in doubt about fit, reach out to AmpState for compatibility confirmation to ensure a seamless replacement. Order with confidence from AmpState and secure dependable circuit protection with the Square D HRL36100U31X. If you need help matching a part number or confirming compatibility, just send us a message and we’ll help you confirm fit.\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413715144866,"sku":"HRL36100U31X","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/square-d-hrl36100u31x-100a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}