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      ABB SPAJ141C
      ABB SPAJ141C
      ABB SPAJ141C
      ABB SPAJ141C
      ABB SPAJ141C
      ABB SPAJ141C
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
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      SPAJ141C

      Overcurrent and earth-fault relay
      In Stock
      Ships by Monday, June 29
      Fast Shipping Available

      Product Information:

      The ABB SPAJ 141 C is a digital secondary-side combined overcurrent and ground fault protection relay. It is designed for short-circuit, overcurrent, and non-directional ground fault protection in radial feeders of distribution networks with direct grounding, resistive grounding, or impedance grounding. This relay features selectable definite-time (DTS) or inverse-time (IDMT) characteristics. It can operate instantaneously or at a set time, immediately isolating short-circuit faults.

      Warranty Policy
      We provide 1 year warranty for all remaining parts.
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      Return Notice
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
      Shiping Mode
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for SPAJ141C

      • Manufacturer:
        ABB
      • Product Category:
        DCS System
      • Spare Part Number:
        SPAJ 141C,SPAJ141C-AA
      • Estimated shipping dimensions:
        14x25.8x16.1cm
      • Weight:
        3.15 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        sweden
      • Place of shipment:
        Xiamen, Fujian, China
      • Rated voltage:
        250 V dc/ac
      • Carry continuously:
        5 A
      • Make and carry for 0.5 s:
        30 A
      • Supply and relay module, type SPTU 240 R1:
        80...265 V dc/ac
      • Supply and relay module, type SPTU 48 R1:
        18...80 V dc (on request)
      • Power consumption:
        4 W/ 6 W
      • Setting range:
        0.5...5.0 x In
      • Specified ambient service temperature range:
        -10...+55°C
      • Humidity:
        < 95 % at 40°C for 56 d
      • Transport and storage temperature range:
        -40...+70°C
      • IP Rating:
        IP 54
      • Stock:
        15
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      Alternative Names

      SPAJI4IC SPAJ1A1C SPAJIAIC SPAJ 141C SPAJ 141 C SPAJ141C-AA SPASI23 SPASO11 SPBRC300 SPBRC410 SPBR C41 0 SPAJ-141C SPAJ-141-C SPNIS21 SPAJ144C-AA SPAJ 141 C-AA SPAJ 141C-AA

      Information

      Overview Manuals Application Details Lifecycle & Retrofit Status

      Features:

      • Three-phase, low-set phase overcurrent unit with definite time or inverse definite minimum time (IDMT) characteristi
      • Three-phase, high-set phase overcurrent unit with instantaneous or definite time operation
      • High-set earth-fault unit with instantaneous or definite time operation
      The combined overcurrent and earth-fault relay SPAJ 141 C is intended to be used for the selective short-circuit and earth-fault protection of radial feeders in solidly earthed, resistance earthed or impedance earthed power systems. The integrated protection relay includes an overcurrent unit and an earth-fault unit with flexible tripping and signalling facilities.

      The overcurrent and earth-fault relays can also be used for other applications requiring single-, two-, or three-phase overcurrent protection and earth-fault protection. The combined overcurrent and earth-fault relay includes a circuit-breaker failure protection unit. The combined overcurrent and earth-fault relay SPAJ 141 C is part of ABB’s Distribution Automation concept extending ABB’s solution for the control and management of electric power systems.

      The SPAJ141C ABB Overcurrent and earth-fault relay may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
      ABB SPAJ141C Overcurrent and earth-fault relay MANUAL(Datasheets), Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
      The combined overcurrent and earth-fault relay SPAJ 141 C is intended to be used for the selective short-circuit and earth-fault protection of radial feeders in resistance earthed or impedance
      earthed power systems. The integrated protective relay comprises both an overcurrent unit and an earth-fault unit with highly flexible tripping and signalling facilities. The feeder protection can be used in applications requiring a single-, twoor three-phase overcurrent protection and a nondirectional earth-fault protection. The overcurrent and earth-fault relay also comprises a circuit breaker failure protection.
      The SPAJ 141 C series relays were officially discontinued in 2011. As this series is obsolete, ABB offers upgrade support:
      Relay Retrofit Program: Organizations wishing to upgrade their switching equipment can use ABB's custom retrofit adapter kits to seamlessly replace these older relays with modern Relion 615 or 620 series relays without completely rewriting the control panel.

      Manuals

      Technical notes

      The ABB SPAJ 141 C is a general-purpose overcurrent and ground fault protection relay for medium-voltage power distribution systems. It features low setpoint three-phase overcurrent protection, zero-sequence ground fault protection, and built-in circuit breaker fault protection (CBFP). The device supports high-order harmonic filtering, is compatible with 1A or 5A current transformers, and can be remotely monitored and configured via a serial interface on the SPA bus.

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      FAQ

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      • How does the SPAJ141C utilize its overcurrent and ground fault protection algorithms to achieve selective fault identification and high-speed protection performance in medium-voltage power systems?
        The SPAJ141C is designed to provide accurate phase-to-phase and ground fault protection, helping to ensure system stability and minimizing equipment damage under abnormal electrical conditions.
      • What are the key protection parameters of the SPAJ141C? These include phase-to-phase overcurrent setpoint, ground fault trigger level, operating time characteristics, and auxiliary power supply specifications.
        The SPAJ141C features configurable protection thresholds and timing characteristics, allowing for flexible adaptation to various power distribution applications.
      • Why is the SPAJ141C considered a critical feeder protection relay for substations, industrial switchgear, and power distribution infrastructure?
        The SPAJ141C provides reliable protection, supporting network reliability, fault isolation, and enhanced operational continuity.
      • Which technical specifications of the SPAJ141C should engineers evaluate, including current transformer inputs, fault detection sensitivity, number of protection stages, and tripping accuracy?
        Referring to the SPAJ141C datasheet in detail helps ensure proper relay protection coordination and optimized protection system design.
      • How does the SPAJ141C support high-availability power grids requiring reliable protection and rapid fault clearing response?
        The SPAJ141C contributes to uninterrupted power supply by quickly identifying faults and initiating coordinated protection actions.
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      Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.
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