{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S803S-D32","brand":"ABB","brandSlug":"abb","productSlug":"S803S-D32","canonicalUrl":"https://aoctrl.com/abb/S803S-D32","factsUrl":"https://aoctrl.com/api/mcp/products/S803S-D32","rawCanonicalId":null},"summary":{"shortDescription":"ABB S803S-D32, miniature circuit breaker, 32 A, 3-pole, Trip Curve D, DIN rail mount, 230/400 VAC, 50 kA interrupting rating.","salesMarkdown":"## What this MCB is for The ABB S803S-D32 is a 3-pole miniature circuit breaker with a D trip curve, rated 32 A and mounted on DIN rail. The D curve means it tolerates the high inrush currents typical of motor loads, transformers, and welding equipment — it won't nuisance-trip on startup the way a B or C curve would. The 50 kA interrupting rating at 400 VAC tells you it can safely clear a fault up to that level without welding contacts or cascading upstream, which is what you need for high-capacity industrial panels. ## Panel fit and deployment Snaps onto standard DIN rail — no tools needed for mounting, just clip it in and wire the 3 poles. The 32 A rating and D curve make it a natural fit for motor branch circuits, pump panels, or compressor starters where the inrush can hit 10–14× full-load current. The 50 kA SCCR at 400 VAC gives you headroom for coordination studies in high-fault-capacity installations.","metaTitle":"S803S-D32 ABB MCB, 32A 3P D Curve, 50 kA","metaDescription":"ABB S803S-D32 miniature circuit breaker, 32 A, 3-pole, D trip curve, 50 kA interrupting rating at 400 VAC. DIN rail mount. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Amps":"32","Type":"Trip Curve D","Poles":"3","title":"S803S-D32","Mounting":"DIN Rail","Volts AC":"230","description":"Circuit Breaker, Miniature, DIN Rail Mount, 32A, 3P, 400VAC, D Trip|Circuit Breaker, Miniature, DIN Rail Mount, 32 Amp, 3 Pole, 230/400 Volt AC, D Trip, 25 kAIC","lifecycle_stage":"current","Interrupt Rating AC":"50 kA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ab91a1acc42c0f87c9566438b3e8ec8e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I get current pricing and availability for S803S-D32?","answer":"Submit an RFQ through this listing. We source through multiple independent distributors and confirm pricing and availability at quote time — no automated stock count here, just a real quote."},{"question":"Will S803S-D32 drop into a panel that was specified around S803S-D63 without rewiring?","answer":"Yes, if the panel was wired for a 3-pole D-curve MCB on DIN rail. The S803S-D63 is the 63 A sibling in the same S800S family — same footprint, same trip curve, same interrupting rating. The only difference is the current rating; if your load draws less than 32 A, the D32 drops straight in. If the original spec called for 63 A, the D32 won't handle the load, but the mechanical fit is identical."},{"question":"What compliance documentation does this brand provide for S803S-D32?","answer":"ABB typically provides RoHS and REACH declarations for the S800S series, along with CE marking and IEC/EN 60898-1 certification. The interrupting rating of 50 kA at 400 VAC is tested per IEC 60947-2. Specific documentation is available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/S803S-D32","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/S803S-D32 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}