{"product_id":"siemens-eq9985","title":"Siemens EQ9985 200A 4-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens EQ9985 200A 4-Pole Circuit Breaker\u003c\/strong\u003e is a high-capacity main-disconnect designed to protect and control demanding electrical distributions. With a 200 A rating and four poles, this part is built to safely interrupt heavy loads in 3‑phase, 4‑wire systems while ensuring full isolation of all conductors when necessary.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e200 A current rating:\u003c\/strong\u003e Supports large commercial and light industrial applications where reliable protection of primary feeders and critical equipment is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4-pole design:\u003c\/strong\u003e Simultaneously disconnects all three hot conductors plus the neutral, delivering complete isolation for maintenance, troubleshooting, or safe shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number EQ9985:\u003c\/strong\u003e A genuine Siemens component that integrates seamlessly with Siemens panels and distribution systems, preserving system integrity and simplify future part replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted compatibility:\u003c\/strong\u003e Specifically engineered for Siemens equipment to ensure dependable fit, performance, and straightforward installation in compatible panelboards and switchgear.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications and use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain service disconnects for large commercial buildings, warehouses, data centers, and multi‑zone facilities where robust protection of 3‑phase loads is critical.\u003c\/li\u003e \u003cli\u003eProtection for equipment with multiple conductors and high fault currents, such as large motors, HVAC systems, and renewable energy interfaces, where complete isolation during service or fault events is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters for your electrical system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRapid interruption of fault currents minimizes damage to wiring and connected equipment, reducing downtime and repair costs.\u003c\/li\u003e \u003cli\u003eFull four-conductor isolation simplifies maintenance and improves on-site safety for electricians and technicians.\u003c\/li\u003e \u003cli\u003eUsing a genuine Siemens EQ9985 part maintains panel design integrity, simplifies future upgrades, and helps you stay aligned with your existing electrical taxonomy and labeling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and maintenance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm panel compatibility and ensure correct physical fit within your Siemens distribution setup before installation.\u003c\/li\u003e \u003cli\u003eFollow established torque specifications on terminals to guarantee reliable electrical contact and minimize heat buildup during operation.\u003c\/li\u003e \u003cli\u003eSchedule regular inspections of the breaker and associated panel to verify smooth trip response and overall system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423605248162,"sku":"EQ9985","price":3277.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-eq9985","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}