{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RE4123-5CA31-4HH3","brand":"Siemens","brandSlug":"siemens","productSlug":"3RE4123-5CA31-4HH3","canonicalUrl":"https://aoctrl.com/siemens/3RE4123-5CA31-4HH3","factsUrl":"https://aoctrl.com/api/mcp/products/3RE4123-5CA31-4HH3","rawCanonicalId":null},"summary":{"shortDescription":"Non-reversing motor starter, Frame size 2, Three phase full voltage, UL horsepower rating Hp@VAC, 10@208, 15@230, 30@460, 40@575, Bimetal overload relay, Fixed Trip Class 10, OLR amp range 40 - 50, 110/120 V AC 50/60Hz coil, Non-combination type, Enclosure type 3/3R/4/12, Water/dust tight for outdoors, Standard width enclosure, Standards: UL 60947-4-1, Certifications: cULus, Including modifications: 22 mm Hand-Off-A…","salesMarkdown":null,"metaTitle":"Siemens 3RE4123-5CA31-4HH3 Motor Starter","metaDescription":"Siemens 3RE4123-5CA31-4HH3 enclosed motor starter, 3-phase non-reversing, 40 - 50 A bimetal overload, 110/120 V AC coil, for motor protection and control.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Solid State Relays"],"specifications":{"at 240 V":"5 kA","at 480 V":"5 kA","at 600 V":"5 kA","Weight [Lb]":"21 lb","ON-delay time":"10 ... 80 ms","Test Function":"Yes","External Reset":"Yes","OFF-delay time":"10 ... 18 ms","Reset Function":"Manual, automatic and remote (with optional accessory)","lifecycle_stage":"current","Fastening Method":"Surface mounting and installation","Mounting Position":"vertical","Product Brand Name":"Siemens","Overload Protection":"Yes","Product Designation":"Non-reversing motor starter","Design Of The Housing":"Dust- & watertight for outdoor use","Special Product Feature":"Hand-Off-Auto Selector Switch, CPT Std Capacity 480/240:120V","at 200/208 V rated value":"10 hp","at 220/230 V rated value":"15 hp","at 460/480 V rated value":"30 hp","at 575/600 V rated value":"40 hp","Disconnector Functionality":"No","at AC at 50 Hz rated value":"110 V","at AC at 60 Hz rated value":"120 V","Height x Width x Depth [in]":"14 × 12 × 8 in","Design Of The Short-Circuit Trip":"Thermal magnetic circuit breaker","Ambient Temperature During Storage":"-30 ... +65 °C","Ambient Temperature During Operation":"-20 ... +40 °C","Material Of The Conductor For Supply":"CU","Tightening Torque [Lbf·In] For Supply":"26 ... 39 lbf·in","number of NO contacts for main contacts":"3","Material Of The Conductor At Magnet Coil":"CU","Number Of Poles For Main Current Circuit":"3","ambient temperature [°F] during storage":"-22 ... +149 °F","Touch Protection Against Electrical Shock":"NA for enclosed products","Number Of Total Auxiliary Contacts Maximum":"8","Tightening Torque [Lbf·In] At Magnet Coil":"7 ... 10 lbf·in","ambient temperature [°F] during operation":"-4 ... +104 °F","apparent holding power of magnet coil at AC":"16.5 VA","apparent pick-up power of magnet coil at AC":"188 VA","Type Of Electrical Connection Of Magnet Coil":"Screw-type terminals","number of NC contacts for auxiliary contacts":"1","number of NO contacts for auxiliary contacts":"1","Type Of Voltage Of The Control Supply Voltage":"AC","operating voltage at AC-3 rated value maximum":"600 V","Adjustment Range Of Thermal Overload Trip Unit":"40 ... 50","degree of protection NEMA rating of the enclosure":"NEMA 3/3R/4/12 enclosure","Type Of Electrical Connection For Auxiliary Contacts":"Screw-type terminals","Material Of The Conductor For Load-Side Outgoing Feeder":"CU","Tightening Torque [Lbf·In] For Load-Side Outgoing Feeder":"26 ... 39 lbf·in","Type Of Electrical Connection For Supply Voltage Line-Side":"Box lug","Temperature Of The Conductor For Supply Maximum Permissible":"60 °C","Type Of Electrical Connection For Load-Side Outgoing Feeder":"Box lug","Installation Altitude [Ft] At Height Above Sea Level Maximum":"6 560 ft","Material Of The Conductor At Contactor For Auxiliary Contacts":"CU","number of NC contacts of auxiliary contacts of overload relay":"1","number of NO contacts of auxiliary contacts of overload relay":"1","Temperature Of The Conductor At Magnet Coil Maximum Permissible":"75 °C","Tightening Torque [Lbf·In] At Contactor For Auxiliary Contacts":"7 ... 10 lbf·in","contact rating of auxiliary contacts of contactor according to UL":"10A@600V(A600), 5A@600V(P600)","operating voltage for main current circuit at AC at 60 Hz maximum":"600 V","Material Of The Conductor At Overload Relay For Auxiliary Contacts":"CU","Tightening Torque [Lbf·In] At Overload Relay For Auxiliary Contacts":"7 ... 10 lbf·in","Type Of Electrical Connection At Overload Relay For Auxiliary Contacts":"Screw-type terminals","contact rating of auxiliary contacts of overload relay according to UL":"5A@600VAC (B600), 1A@250VDC (R300)","Mechanical Service Life (Operating Cycles) Of The Main Contacts Typical":"30 000 000","Operating Range Factor Control Supply Voltage Rated Value Of Magnet Coil":"0.8 ... 1.1","Temperature Of The Conductor For Load-Side Outgoing Feeder Maximum Permissible":"60 °C","Design Of The Fuse Link For Short-Circuit Protection Of The Main Circuit Required":"Class J","Temperature Of The Conductor At Contactor For Auxiliary Contacts Maximum Permissible":"75 °C","Temperature Of The Conductor At Overload Relay For Auxiliary Contacts Maximum Permissible":"70 °C","type of connectable conductor cross-sections at line-side at AWG cables single or multi-stranded":"2x (18 ... 2), 1x (18 ... 1)","type of connectable conductor cross-sections of magnet coil at AWG cables single or multi-stranded":"2x (18 ... 2), 1x (18 ... 1)","type of connectable conductor cross-sections at AWG cables for load-side outgoing feeder single or multi-stranded":"2x (18 ... 2), 1x (18 ... 1)","type of connectable conductor cross-sections at contactor at AWG cables for auxiliary contacts single or multi-stranded":"2x (20 ... 16), 2x (18 ... 14)","type of connectable conductor cross-sections at overload relay at AWG cables for auxiliary contacts single or multi-stranded":"2x (20 ... 16), 2x (18 ... 14)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/599ff73508b36e69edc7984152832236.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1346018&mlfb=3RE4123-5CA31-4HH3","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RE4123-5CA31-4HH3/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RE4123-5CA31-4HH3","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/3RE4123-5CA31-4HH3 when reusing this data. 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