{"product_id":"general-electrics-tqd32150st1-150a-3-pole-bolt-on-circuit-breaker","title":"General Electrics TQD32150ST1 - 150 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eGeneral Electrics TQD32150ST1 delivers dependable, high-current protection for three-phase electrical systems with a bolt-on mounting that locks the breaker firmly to the panel bus, delivering a vibration-resistant connection you can trust in challenging environments. \u003cem\u003eWhat makes this 150A, 3-pole breaker stand out?\u003c\/em\u003e It combines a rugged bolt-on design with a Thermal-Magnetic trip unit, giving you stable, repeatable protection across a wide range of loads. The thermal element handles normal and overload conditions with predictable delay, while the magnetic element snaps into action for short-circuit events, reducing damage and downtime. This means fewer nuisance trips and more reliable service for critical circuits. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection—crucial for panelboards in busy mechanical rooms or space-constrained installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable protection: precise overload protection with a fast magnetic trip for short circuits, ensuring consistent performance over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e shields 3-phase circuits, balancing protection across all lines and simplifying integration in commercial and industrial architectures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching General Electrics load centers and panelboards, streamlining replacement, upgrades, or retrofit projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where reliable branch-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it protects your electrical system\u003c\/h3\u003e\nThe combination of thermal and magnetic tripping keeps your electrical backbone safe under a variety of conditions. In everyday operation, the thermal element responds gradually to overloads, allowing normal inrush and transient surges to pass without tripping. When a short circuit occurs, the magnetic element delivers an instantaneous trip, interrupting the fault quickly to minimize damage,arc flash exposure, and equipment downtime. The result is predictable, repeatable protection that partners well with standard panelboard architectures. \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeding critical branch circuits in residential panels where 3-phase distribution is present or required for certain equipment.\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms and small-to-midsize facilities needing robust 150 A protection for motors, fans, and HVAC feeders.\u003c\/li\u003e \u003cli\u003eLight industrial panels requiring reliable, three-pole protection in a compact, bolt-on form factor.\u003c\/li\u003e \u003cli\u003eRetrofits and replacements in OEM GE load centers where seamless compatibility matters for uptime and serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\nDesigned for bolt-on mounting, this breaker aligns with standard GE panelboard and load-center bus assemblies, delivering a secure connection that resists vibration and movement. It is expressly intended for use as a branch circuit overcurrent and short-circuit protector, helping you maintain panel integrity and fault-clearance performance. When selecting this unit, verify that the panel is compatible with the GE TQD family and that the overall system amperage and conductor sizing meet applicable codes and manufacturer guidelines. \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e General Electrics\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e TQD32150ST1\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 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\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 \u003cp\u003eWhen you’re configuring or upgrading panelboards and load centers, the General Electrics TQD32150ST1 150A, 3-pole bolt-on circuit breaker brings proven, reliable protection to every phase. Its rugged mounting, stable trip characteristics, and OEM compatibility translate to fewer compatibility headaches and quicker, more predictable protection for your electrical infrastructure. Add this trusted three-phase breaker to your order and experience consistent performance across residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349736607906,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electrics-tqd32150st1-150-a-3-pole-bolt-on-circuit-breaker-805.webp?v=1788718767","url":"https:\/\/www.ampstate.com\/products\/general-electrics-tqd32150st1-150a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}