{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S201P-Z10","brand":"ABB","brandSlug":"abb","productSlug":"S201P-Z10","canonicalUrl":"https://aoctrl.com/abb/S201P-Z10","factsUrl":"https://aoctrl.com/api/mcp/products/S201P-Z10","rawCanonicalId":null},"summary":{"shortDescription":"ABB S201P-Z10, miniature circuit breaker, 1 pole, Trip Curve Z, 10 A, 277 VAC, 10 kA interrupting rating, DIN rail mount.","salesMarkdown":"## What the ratings mean for fit The ABB S201P-Z10 is a 1-pole miniature circuit breaker rated 10 A at 277 VAC with a Trip Curve Z characteristic and a 10 kA interrupting capacity. Curve Z trips between 2× and 3× rated current — faster than a B or C curve — making it the right choice for protecting semiconductor circuits, sensitive electronics, or control transformers where even a brief overcurrent could damage the load. The 10 kA interrupting rating at 277 VAC means it can safely clear a fault up to that level without welding contacts or cascading failure upstream; that is the standard for most commercial lighting and HVAC branch circuits in North America. ## Deployment context Snaps onto a standard DIN rail in any panel or enclosure — common in lighting control panels, HVAC unit subpanels, and building-automation power distribution. The single-pole footprint leaves room for additional breakers in a multi-circuit layout.","metaTitle":"ABB S201P-Z10 MCB, 1P, Curve Z, 10 A, 277 VAC, 10 kA","metaDescription":"ABB S201P-Z10 miniature circuit breaker, 1 pole, Trip Curve Z, 10 A, 277 VAC, 10 kA interrupting rating. Current lifecycle. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Amps":"10","Type":"Trip Curve Z","Poles":"1","Mounting":"DIN Rail","Volts AC":"277","lifecycle_stage":"current","Interrupt Rating AC":"10 kA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bd2bc5b48eb9f72a8c9e457080c2c255.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/S201P-Z10/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting rating of S201P-Z10?","answer":"The S201P-Z10 has a 10 kA interrupting rating at 277 VAC, sufficient for most commercial branch-circuit fault levels."},{"question":"What does Trip Curve Z mean for this breaker?","answer":"Trip Curve Z means the breaker trips between 2× and 3× rated current — faster than B or C curves — designed to protect sensitive electronic loads like semiconductors and control transformers."},{"question":"Where can I buy S201P-Z10?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S201P-Z10","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/S201P-Z10 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}