{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1332-5EF32-0CH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1332-5EF32-0CH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1332-5EF32-0CH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1332-5EF32-0CH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 400 circuit breaker, 3-pole, breaking capacity class M Icu=55kA @ 415V, line protection TM240, ATAM, In=320A, overload protection Ir=224-320A, short-circuit protection Ii=5-10 x In, with undervoltage release 120-127V AC 50/60Hz, 2 auxiliary switches.","salesMarkdown":"The Siemens 3VA1332-5EF32-0CH0 is a 3-pole IEC frame 400 molded case circuit breaker with a 55 kA interrupting rating at 415 V (breaking capacity class M). It carries a TM240 thermal-magnetic trip unit rated 320 A continuous, with adjustable overload protection (Ir) from 224 A to 320 A and short-circuit pickup (Ii) adjustable from 5 to 10 times In. This is the line-protection version — ATAM (Adjustable Thermal, Adjustable Magnetic) — meaning you set both the long-time and instantaneous thresholds to match the downstream load, typically a feeder or large motor branch. The 320 A continuous rating (In) with the TM240 trip means the thermal element is sized for 320 A; the adjustable Ir band lets you dial it down to 224 A if the actual load is lighter, which avoids nuisance tripping on inrush while still protecting the cable. The short-circuit pickup range of 5 to 10 x In (1600 to 3200 A) gives you room to ride through motor starting current without tripping the magnetic element. A typical 320 A feeder feeding a 200 kW motor might see 6-8 x FLA during start; setting Ii at 8 or 9 x In keeps the breaker closed through the start and clears a bolted fault. ## Built-in accessories and panel integration The two auxiliary switches give you status feedback (open/closed) for the PLC or panel indication. All of this is factory-fitted inside the 3VA1 frame, so you do not need to open the breaker cover in the field.","metaTitle":"Siemens 3VA1332-5EF32-0CH0 Circuit Breaker, 55kA @ 415V, 320","metaDescription":"Siemens 3VA1332-5EF32-0CH0 IEC frame 400 circuit breaker, 55kA breaking capacity at 415V, 3-pole, TM240 thermal-magnetic trip, 320A. Current lifecycle stage. Available to order aga","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1471256&mlfb=3VA1332-5EF32-0CH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1332-5EF32-0CH0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1332-5EF32-0CH0?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What are the key ratings of 3VA1332-5EF32-0CH0?","answer":"It is a 3-pole IEC frame 400 circuit breaker with 55 kA interrupting capacity at 415 V, a TM240 thermal-magnetic trip unit rated 320 A continuous, adjustable overload protection from 224 A to 320 A, and short-circuit pickup adjustable from 5 to 10 times In."},{"question":"What accessories are included with 3VA1332-5EF32-0CH0?","answer":"This order code includes an undervoltage release (120-127 V AC, 50/60 Hz) and two auxiliary switches (changeover contacts), all factory-fitted."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1332-5EF32-0CH0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA1332-5EF32-0CH0 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}}