{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1032-4ED32-0CH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1032-4ED32-0CH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1032-4ED32-0CH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1032-4ED32-0CH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1032-4ED32-0CH0, molded case circuit breaker, 3-pole, 32 A, interrupting rating 121 kA at 240 V, 70 mm depth, 76.2 mm width, 130 mm height.","salesMarkdown":"## MCCB for line protection with high fault-current capacity It ships with two auxiliary switches plus a separate trip alarm switch, letting the PLC or BMS know the breaker's state and whether it tripped on fault versus manual open. ## Interrupting ratings across voltages This MCCB's breaking capacity varies by system voltage: 121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at both 500 V and 690 V (–). The drop at higher voltages is typical for air-break MCCBs — arc extinction gets harder as voltage rises. For a 480 V panel, you'd use the 440 V figure as a conservative proxy; at 52.5 kA, that still covers most industrial service-entrance scenarios. That's a shallow derating curve — only 2 A lost over a 30 °C rise — so it's forgiving in a warm enclosure. Maximum power dissipation is 13.1 W, which you'll want to factor into your panel thermal budget if you're stacking several breakers side by side. The 70 mm depth means it fits in shallow enclosures where a deeper breaker would hit the gland plate. The undervoltage release coil and auxiliary switches are factory-integrated, so no field-assembly of accessories is needed.","metaTitle":"Siemens 3VA1032-4ED32-0CH0 SENTRON MCCB, 32 A, 3-Pole, 121 k","metaDescription":"Siemens SENTRON 3VA1032-4ED32-0CH0 molded case circuit breaker, 32 A, 3-pole, 121 kA interrupting at 240 V. Current lifecycle. Quoted to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 500 V":"11.9 kA","at 690 V":"11.9 kA","at 40 °C":"32 A","at 45 °C":"32 A","at 50 °C":"32 A","at 55 °C":"31 A","at 60 °C":"31 A","at 65 °C":"30 A","at 70 °C":"30 A","Depth [In]":"2.76 in","Width [In]":"3 in","Height [In]":"5.12 in","Trip Indicator":"Yes","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"13.1 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA10324ED320AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch HQ","Design Of The Auxiliary Release":"undervoltage release (UVR)","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM210","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB24","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"S","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"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=478715&mlfb=3VA1032-4ED32-0CH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1032-4ED32-0CH0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA1032-4ED32-0CH0?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ to confirm current pricing and availability at quote time."},{"question":"Will 3VA1032-4ED32-0CH0 drop into a panel specified around 3VA1110-5ED36-0AC0 without rewiring?","answer":"No, the 3VA1110-5ED36-0AC0 is a higher-frame 100 A breaker with different dimensions and terminal spacing. The 32 A 3VA1032-4ED32-0CH0 will not physically or electrically drop in without reworking the bus bars and enclosure cutout."},{"question":"What is the interrupting rating of this MCCB at 240 V?","answer":"121 kA at 240 V AC."},{"question":"What auxiliary switches come with this breaker?","answer":"Two auxiliary switches plus one separate trip alarm switch (HQ) are factory-installed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1032-4ED32-0CH0","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/3VA1032-4ED32-0CH0 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}}