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Siemens 3UG4512-2BR20
· Product image is representative; revision or series may vary. Contact us to request a specific version.
Ships by Monday, November 2

3UG4512-2BR20

SIRIUS Phase Monitoring Relay

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Documents checked before dispatch · Shipment details confirmed · Global tracking provided
Payment
Payment is by bank wire only in RMB/CNY, GBP, EUR or USD. Amikon does not accept credit cards or provide credit terms. Cleared payment is required before shipment unless the written quotation expressly states otherwise.
Product Condition
Factory New These are new and current items that are procured directly from the manufacturer.
New In Sealed Package Parts are new. They have not been used and still have their original package seal intact.
New in Original Package These parts are new. The packages were not originally sealed by their original manufacturer.
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  • 20+

    years in automation
  • ISO 9001

    certified quality system
  • 12 months

    amikon warranty
  • 2-hour reply

    from your account manager
  • Success Story

    solutions in action
PRODUCT DESCRIPTION

3UG4512-2BR20 SIRIUS Phase Monitoring Relay

The Siemens 3UG4512-2BR20 is a sirius phase monitoring relay developed for the SIRIUS 3UG4 platform. It performs the documented control, power, protection, storage or communication role within compatible industrial automation equipment while retaining the interfaces and operating limits defined for this exact article.

The monitoring relay supervises three-phase AC supplies from 160 to 690 V for phase sequence and phase failure. Two changeover contacts and front LED indication provide clear signalling to control circuits when the monitored supply departs from the accepted condition.
ACTUAL APPLICATIONS

Application fields for 3UG4512-2BR20

3UG4512-2BR20 is used across compatible installations in the following broad industrial application fields, subject to verified system design and operating requirements.
  • 01 · INDUSTRIAL MANUFACTURING

    Industrial Manufacturing and Continuous Production

    Discrete manufacturing and assembly productionContinuous industrial production operations
  • 02 · POWER GENERATION

    Thermal, Hydroelectric and Renewable Power Generation

    Thermal and hydroelectric power productionRenewable generation and energy integration
  • 03 · WATER & WASTEWATER

    Municipal Water and Industrial Wastewater Services

    Municipal water treatment servicesIndustrial wastewater treatment operations

Technical specifications for 3UG4512-2BR20

  • Product Model
    3UG4512-2BR20
  • Product Parameters
    SIRIUS Phase Monitoring Relay
  • In stock
    1 unit
  • Manufacturer
    Siemens
  • product designation
    Line monitoring relay
  • design of the product
    2 functions
  • product type designation
    3UG4
  • product function
    Phase monitoring relay
  • display version LED
    Yes
  • insulation voltage for overvoltage category III according to IEC 60664
  • with degree of pollution 3 rated value
    690 V
  • degree of pollution
    3
  • for monitoring
    AC
  • surge voltage resistance rated value
    6 kV
  • shock resistance according to IEC 60068-2-27
    sinusoidal half-wave 15 g / 11 ms
  • vibration resistance according to IEC 60068-2-6
    1 ... 6 Hz: 15 mm, 6 ... 500 Hz: 2 g
  • mechanical service life (operating cycles) typical
    10 000 000
  • electrical endurance (operating cycles) at AC-15 at 230 V typical
    100 000
  • thermal current of the switching element with contacts maximum
    5 A
View all additional

Alternative Names

Siemens SIRIUS Phase Monitoring Relay SIRIUS 3UG4 SIRIUS Phase Monitoring Relay for SIRIUS 3UG4
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 3UG4512-2BR20 SIRIUS Phase Monitoring Relay

Install 3UG4512-2BR20 as the documented SIRIUS Phase Monitoring Relay within the SIRIUS 3UG4 architecture. The manufacturer data defines its station role, compatible hardware and electrical interface, so the surrounding carrier, backplane, supply and field connections must correspond to that documented arrangement.
Plan the integration around 3UG4, Phase monitoring relay, Yes. Keep signal commons, cable routing, shielding and protective-earth practice consistent with the applicable system manual, and assign the module or accessory to the correct hardware position in the controller or drive project.
Commission the assembly in a controlled operating state. Confirm supply conditions first, then inspect hardware diagnostics and communications before exercising the connected channels or functions through their intended working range. Retain the final project, wiring and test records with the equipment documentation.

Features:

  • Exact identity: 3UG4512-2BR20
  • Documented SIRIUS 3UG4 integration
  • Controlled commissioning and recorded results
3UG4512-2BR20 requires documented system integration before energising the installation.
INTERCHANGEABILITY

Verify 3UG4512-2BR20 before replacement

Treat 3UG4512-2BR20 as the exact replacement identity for this SIRIUS 3UG4 function. A similar enclosure or related family code does not confirm equivalent channel behavior, firmware, terminal assignment, licensing or mechanical compatibility.
Before removal, record the installed position and the documented characteristics that affect this unit, including 2 functions, 3UG4, Phase monitoring relay. Capture connector orientation, cable labels, configuration values, network settings and the diagnostic state needed to restore the original installation.
After fitting the replacement, restore the approved configuration and compare all status indications with the saved baseline. Prove the affected inputs, outputs, communications or power paths individually, and complete any manufacturer-required functional or safety validation before returning the machine or process to normal service.

Features:

  • Match 3UG4512-2BR20 exactly
  • Preserve hardware, wiring and configuration records
  • Validate every affected function after installation
3UG4512-2BR20 requires replacement verification against the installed hardware and configuration.
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:

  • Technical data prepared for the exact article
  • Official manufacturer document added only when found
  • Two directory links follow series and brand rules
Documentation for 3UG4512-2BR20 must be checked against the installed configuration before service.

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.
  • 01

    Shipping & delivery

    Dispatch
    Eligible stock: same / next day
    Carriers
    DHL, FedEx or UPS
    Ship from
    Xiamen, China
    Product size
    2.9 × 9.9 × 10.7 cm
    Net weight
    0.14 kg
  • 02

    Payment & customs

    Payment
    Bank transfer (T/T)
    Currencies
    USD · EUR · GBP · RMB
    Credit cards
    Not accepted
    HS reference
    85364900
    Origin
    Germany
  • 03

    Warranty & returns

    Warranty
    12 months from AMIKON
    Inspection
    Label, condition and packing checks
    Returns
    Prior RMA authorisation required
    Compatibility
    Confirm before order
    OEM warranty
    Does not apply
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
  • 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 3UG4512-2BR20

Direct answers about identity, compatibility, stock, warranty, payment and shipping.
  • What is 3UG4512-2BR20?

    3UG4512-2BR20 is a SIRIUS Phase Monitoring Relay for the SIRIUS 3UG4.
  • Which identity must be used when ordering 3UG4512-2BR20?

    Use the complete 3UG4512-2BR20 marking and compare it with the installed label and project records.
  • Can a similar family item replace 3UG4512-2BR20?

    Do not confirm substitution from a family name or similar appearance. Verify the complete code, interfaces, revision and approved configuration.
  • What should be recorded before removing 3UG4512-2BR20?

    Record the installed position, connections, cable labels, settings and diagnostic state.
  • What should be inspected when 3UG4512-2BR20 arrives?

    Inspect the label, housing, connectors, terminals and packaging for correct identity and condition.
  • Which checks follow installation?

    Restore the approved configuration and complete controlled power-up, diagnostic and functional tests.
  • What information should accompany a quotation?

    Provide the complete model, quantity, clear label photographs, destination and required delivery date.
  • Which documentation applies?

    Use the manufacturer documentation for SIRIUS 3UG4 and confirm that its scope covers the installed configuration.
READY TO VERIFY YOUR PART?

Get a 3UG4512-2BR20 quote with price, lead time and revision check.

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