{"product_id":"qo310","title":"Square D QO310 - 10A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QO310 is a dependable 10A, 3-pole circuit breaker engineered to deliver precise overcurrent protection for three-phase electrical systems. Designed for panelboards, switchboards, and control panels, this unit provides a compact, durable solution that fits demanding industrial, commercial, and OEM environments.\u003c\/p\u003e \u003ch3\u003eWhy the 3-Pole, 10A Choice Matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection in a single device:\u003c\/strong\u003e a 3-pole configuration ensures all three phases trip together, preventing phase imbalances and protecting connected equipment from multi-phase faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise current protection:\u003c\/strong\u003e a 10-amp rating targets smaller loads and control circuits within a three-phase network, helping avoid unnecessary power interruptions while still guarding against overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation:\u003c\/strong\u003e purpose-built for integration into standard panelboards, switchboards, and motor control centers, simplifying design and maintenance in complex electrical layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can depend on:\u003c\/strong\u003e part of the Square D QO family, renowned for robust construction and predictable performance in everyday industrial use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational clarity:\u003c\/strong\u003e straightforward trip and reset cycles minimize downtime and keep critical processes moving when protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal Use Scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the QO310 in distribution panels and control panels that power three-phase equipment where reliable, fail-safe protection is essential. It’s well-suited for OEM assemblies and modular systems where a compact, easily integrable protective device is required to guard small to medium three-phase loads without sacrificing safety or control.\u003c\/p\u003e \u003ch3\u003eHow It Compares and Why It Works\u003c\/h3\u003e\n\u003cp\u003eIn three-phase installations, a dedicated 3-pole breaker like the QO310 ensures synchronized disconnection across all phases during a fault, which reduces the risk of damaging motors, drives, and control circuits. This approach provides a straightforward, cohesive protection strategy compared with using multiple single-pole devices, delivering simpler wiring, clearer fault responses, and faster recovery in real-world operation.\u003c\/p\u003e \u003ch3\u003ePractical Tips for Integration\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your enclosure and the Square D QO-series mounting method to ensure a secure, code-compliant fit.\u003c\/li\u003e \u003cli\u003eMatch the QO310 to the three-phase load characteristics of your system to optimize protection without unnecessary disruption.\u003c\/li\u003e \u003cli\u003eLabel the panel clearly to reflect the 3-pole protection provided and the 10A rating for quick diagnostics and maintenance.\u003c\/li\u003e \u003cli\u003eFollow applicable electrical codes and standards during installation, and coordinate with your commissioning team to confirm correct trip settings and safety protocols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390564126882,"sku":"QO310","price":359.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_942d82f6-389f-4aed-b05d-ff1e8884640a.png?v=1765377145","url":"https:\/\/www.ampstate.com\/products\/qo310","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}