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PRODUCT DESCRIPTION
3UA59 40-1J Thermal overload relay
Siemens 3UA59 40-1J is a thermal overload relay for the Siemens SIRIUS product family. It provides the documented current setting range of 6.3 to 10 A for compatible industrial automation and electrical systems.
The exact article combines the listed electrical, connection and mechanical characteristics for this order code. Verify the complete model, terminal arrangement, ratings and installed system configuration before replacement, wiring or commissioning.
The exact article combines the listed electrical, connection and mechanical characteristics for this order code. Verify the complete model, terminal arrangement, ratings and installed system configuration before replacement, wiring or commissioning.
BEFORE YOU BUY
Confirm the complete thermal overload relay
ACTUAL APPLICATIONS
Application context for 3UA59 40-1J
3UA59 40-1J supports documented Siemens SIRIUS functions across production, utilities and infrastructure systems that use the specified interface and electrical ratings.
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01 · INDUSTRIAL MANUFACTURING
Industrial Manufacturing
Automotive Parts ManufacturingFood and Beverage Processing -
02 · WATER AND WASTEWATER
Water and Wastewater
Municipal Water TreatmentIndustrial Wastewater Processing -
03 · BUILDING INFRASTRUCTURE
Building Infrastructure
Commercial Building ServicesPublic Facility Operations
Technical specifications for 3UA59 40-1J
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Product Model3UA59 40-1J
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Product ParametersThermal overload relay
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In stock7 units
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ManufacturerSiemens
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Current setting range6.3 to 10 A
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Trip classClass 10A
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Pole count3 poles
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Phase-loss protectionIntegrated
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Reset selectionManual or automatic
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Auxiliary contacts1 NO + 1 NC
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Rated insulation voltage690 V
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Impulse withstand voltage6 kV
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Ambient compensation-25 to +55 °C
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Test buttonIntegrated
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Trip indicatorMechanical green indicator
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MountingContactor or independent
View all additional
Alternative Names
3UA59 40 1J
Siemens SIRIUS Thermal overload relay
Siemens Thermal overload relay 3UA59 40-1J
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 3UA59 40-1J thermal overload relay
Install 3UA59 40-1J only in the documented Siemens SIRIUS environment after confirming the exact order code, module position and connection method. Match every supply, signal and network interface to the applicable Siemens data before energization.
Use the specified conductor range, terminal arrangement and potential-group design. Preserve cable routing, shielding, polarity and separation from power wiring so the module performs its documented control function.
Commission each affected circuit in a controlled sequence. Verify local indications, controller diagnostics and field operation under safe conditions, then record the final configuration and test result.
Features:
- Protects three-phase motors against sustained overload current
- Detects phase loss through the differential bimetal mechanism
- Compensates trip behavior across the documented ambient-temperature range
The 3UA59 40-1J thermal overload relay requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 3UA59 40-1J thermal overload relay
Match the complete 3UA59 40-1J order code and every suffix to the installed article. Similar housings within the same Siemens family can have different connections, ratings, diagnostics or supported systems.
Photograph the nameplate, terminal assignments, cable routing, switch positions and adjacent module order before removal. Record the current engineering configuration and any active diagnostic state.
Restore the verified wiring and configuration after replacement. Test each affected power, signal or communication path, confirm normal diagnostics and retain the acceptance record with the asset history.
Features:
- Provides manual or automatic reset selection after a trip
- Opens the normally closed contact to release the contactor
- Closes the normally open contact for trip indication circuits
The 3UA59 40-1J thermal overload relay requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.
Features:
- Supports direct contactor mounting or independent panel installation
- Provides a test button for checking the auxiliary trip circuit
- Displays the tripped state through the mechanical indicator
Documentation for the 3UA59 40-1J thermal overload relay must be checked for document applicability before installation or commissioning.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size5.50 × 9.00 × 8.50 cm
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Shipping weight0.28 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8536490000
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OriginGermany
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 3UA59 40-1J
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Where does the 3UA59 40-1J thermal overload relay fit?
Use 3UA59 40-1J only within the documented Siemens SIRIUS arrangement and confirm the stated current setting range of 6.3 to 10 A before connection. -
Can the 3UA59 40-1J thermal overload relay replace another article?
Do not decide by appearance alone; match the full order code, current setting range, trip class, terminals and installed hardware configuration. -
Which details quote the 3UA59 40-1J thermal overload relay?
Provide the complete 3UA59 40-1J code, quantity, nameplate and connector photos, installed system, required condition and destination country. -
What arrival checks apply to the 3UA59 40-1J thermal overload relay?
Check the 3UA59 40-1J label, housing, terminals, accessories, dimensions and documented electrical ratings before removing the installed unit. -
Which tests commission the 3UA59 40-1J thermal overload relay?
Verify supply, wiring continuity, local indications, controller diagnostics and the affected field function before returning the equipment to service. -
Which connection detail governs the 3UA59 40-1J thermal overload relay?
Confirm the documented trip class of Class 10A together with conductor size, polarity and terminal assignment. -
How is the 3UA59 40-1J thermal overload relay stored as a spare?
Keep 3UA59 40-1J dry, protected from static or mechanical damage, and identified by its full order code and verified system assignment. -
How does a distributor verify the 3UA59 40-1J thermal overload relay?
Compare the Siemens label, complete suffix, construction, connection layout and key ratings against the approved purchase specification.
READY TO VERIFY YOUR PART?
Get a 3UA59 40-1J quote with price, lead time and revision check.
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