{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DPER340","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"DPER340","canonicalUrl":"https://aoctrl.com/schneider/DPER340","factsUrl":"https://aoctrl.com/api/mcp/products/DPER340","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Easy TeSys DPER340 differential thermal overload relay, 30-40 A adjustment range, Class 10 trip, UL/CSA/IEC 60947-4-1, IP20.","salesMarkdown":"The Schneider DPER340 is a differential thermal overload relay from the Easy TeSys range, designed for motor protection in three-phase circuits. It covers a 30-40 A thermal protection adjustment range and trips at 1.14 ± 0.06 Ir per IEC 60947-4-1, with a Class 10 trip class — meaning it will open the circuit within 10 seconds at 7.2× Ir, matching standard motor start profiles for pumps, fans, and compressors. The IP20 finger-safe enclosure (IEC 60529) suits panel-mount installations where the relay is enclosed. Control circuit connections use screw-clamp terminals accepting 1-2.5 mm²; power circuit screw connectors accept 2.5-25 mm². Tightening torque for the control circuit is 1.7 N·m; power circuit torque depends on conductor size — 5 N·m for 2.5-16 mm², 7 N·m for 16-25 mm². Approvals include UL 60947-4-1, UL 60947-5-1, CSA C22.2 No. 60947-4-1, CSA C22.2 No. 60947-5-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, and EN 50495 for explosive-atmosphere applications. Rated insulation voltage is 600 V (UL) / 690 V (IEC); rated operational voltage for the power circuit is 300 V AC at 0-400 Hz. Dielectric strength tested at 1.89 kV 50 Hz per IEC 60947-1. The auxiliary contact composition is 1 NO + 1 NC.","metaTitle":"Schneider DPER340 Easy TeSys Differential Thermal Overload R","metaDescription":"Schneider DPER340 Easy TeSys differential thermal overload relay, 30-40 A adjustment range, Class 10 trip, UL/CSA/IEC listed. Current lifecycle. Sourced to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Overload Relays"],"specifications":{"Depth":"4.8 in (123 mm)","Range":"Easy TeSys","Width":"2.2 in (55 mm)","title":"DPER340","Height":"2.8 in (70 mm)","Category":"US10I1222329","Standards":"EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 UL 60947-5-1 CSA C22.2 No 60947-4-1 CSA C22.2 No 60947-5-1 EN 50495","description":"Thermal overload relay,Easy TeSys DPER,30...40A,class 10","Control type":"Red push-button stop Blue push-button reset","Network type":"DC AC","Product name":"Easy TeSys DPER","Protection type":"BS fuse 4 A - signalling circuit GG fuse 4 A - signalling circuit","Surge withstand":"6 kV IEC 60801-5","lifecycle_stage":"current","Flame retardance":"V1 conforming to UL 94","Mounting support":"Plate, with specific accessories Rail, with specific accessories Under contactor","Shock resistance":"15 gn 11 ms IEC 60068-2-7","Device short name":"DPER","Network Frequency":"0...400 Hz","Relay application":"Motor protection","Tightening torque":"Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 44.3 lbf.in (5 N.m) screw connection 0.004...0.02 in² (2.5...16 mm²) Power circuit 62.0 lbf.in (7 N.m) screw connection 0.02...0.04 in² (16...25 mm²)","Climatic withstand":"IACS E10","Tripping threshold":"1.14 +/- 0.06 Ir IEC 60947-4-1","Dielectric strength":"1.89 kV 50 Hz IEC 60947-1","Permissible current":"0.95 A 240 V AC-15 signalling circuit 0.06 A 250 V DC-13 signalling circuit","Protective treatment":"TH IEC 60068","Vibration resistance":"4 gn on plate IEC 60068-2-6","Nbr. of units in pkg.":"1","Thermal overload class":"Class 10 IEC 60947-4-1","Connections - terminals":"Control circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) solid without cable end Power circuit screw connectors 1 0.004...0.04 in² (2.5...25 mm²) flexible without cable end Power circuit screw connectors 1 0.004...0.04 in² (2.5...25 mm²) flexible with cable end Power circuit screw connectors 1 0.004...0.04 in² (2.5...25 mm²) solid without cable end","IP degree of protection":"IP20 conforming to IEC 60529","Temperature compensation":"-4...140 °F (-20...60 °C)","Phase failure sensitivity":"Tripping current 130 % of Ir on two phase, the last one at 0","Product or Component Type":"Differential thermal overload relay","Auxiliary contact composition":"1 NO + 1 NC","[Ui] rated insulation voltage":"Power circuit 600 V UL 60947-4-1 Power circuit 690 V IEC 60947-4-1","[Ue] rated operational voltage":"300 V AC 0...400 Hz power circuit IEC 60947-4-1","Ambient Air Temperature for Storage":"-76...158 °F (-60...70 °C)","Thermal protection adjustment range":"30...40 A","Ambient air temperature for operation":"-4...140 °F (-20...60 °C) without derating IEC 60947-4-1","[Uimp] rated impulse withstand voltage":"6 kV","[Ith] conventional free air thermal current":"5 A signalling circuit"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$65.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5d809d4a08cffe9a7d2dc2d7954f00e2.pdf","sourceUrl":"https://www.se.com/us/en/product/DPER340/thermal-overload-relayeasy-tesys-dper3040aclass-10/"},"ai":{"faq":[{"question":"What is the thermal protection adjustment range of DPER340?","answer":"The DPER340 adjusts from 30 A to 40 A, covering motor full-load currents in that band."},{"question":"What compliance documentation does DPER340 carry?","answer":"The DPER340 is listed to UL 60947-4-1, UL 60947-5-1, CSA C22.2 No. 60947-4-1, CSA C22.2 No. 60947-5-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, and EN 50495. Flame retardance is V1 per UL 94."},{"question":"Where can I buy DPER340 and how is it quoted?","answer":"The DPER340 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/DPER340","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/DPER340 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}}