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- SPAJ142C SPAJ142C-AA
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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.
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.
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.
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.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon 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.
Technical specifications for SPAJ142C SPAJ142C-AA
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Product ModelSPAJ142C SPAJ142C-AA
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Spare ModelSPAJ142C
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Tariff Code8537101190
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Country of originSWEDEN
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Place of shipmentXiamen, China
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Estimated Shipping Size14x25.5x16.1cm
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ManufacturerABB
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Weight3.25 kg
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Rated voltage250 V dc/ac
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Carry continuously5 A
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Make and carry for 0.5 s30 A
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Make and carry for 3.0 s15 A
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External control voltage level18...265 V dc or 80...265 V ac
Description
SPAJ 142 C
Three-phase
low-set phase overcurrent unit
Overcurrent and earth-fault relay
Three-phase
low-set phase overcurrent unit
Overcurrent and earth-fault relay
Information
Overview
Manuals
Technical notes
Product Applications
Wiring and Connections
Features:
- 3‑ph low‑set OC DT or IDMT
- 3‑ph high‑set OC inst or DT
- Sensitive low‑set EF: DT or IDMT
- High‑set EF: inst or DT
- Built‑in CB failure protection
- Local/remote setting read/write
- Self‑supervision (electronics/micro)
The SPAJ 142 C ABB Overcurrent and earth-fault relay may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB SPAJ 142 C Overcurrent and earth-fault relay Manuals, Datasheets, Drivers, 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.
When a phase current exceeds the starting valueof the low-set overcurrent unit, the unit starts,simultaneously starting the corresponding timing circuit. When the set operating time haselapsed, a circuit-breaker tripping command isdelivered. Correspondingly, the high-set stageof the overcurrent unit starts when its startingvalue is exceeded, starting its timing circuit andperforming a tripping when the set time haselapsed.The low-set stage of the non-directional earthfault unit operates in the same way. Dependingon the protective scheme it either signals, performs a tripping or initiates a function of anexternal auto-reclose relay.
- Heavy Manufacturing:Protects radial feeders from short-circuits & earth faults
- Chemical and Process Industries:Isolates faults without full plant shutdown
- Mining and Extraction:IP54 aluminum enclosure for dusty/demanding environments
- Substation Automation Hubs:ABB remote monitoring & data recording via serial interface
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Heavy Duty Terminals: Used for current transformer (CT) measuring inputs, power supply, and trip outputs. These support wires up to 6 mm² (or two 2.5 mm² wires) without requiring terminal lugs.Signalling Outputs: Connected via a six-pole detachable connector.Communication: A 9-pin D-type connector is provided for serial bus connection to higher-level systems.
FAQs
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What is the SPAJ 142C ?
+The ABB SPAJ 142C is a legacy combined overcurrent and earth-fault protection relay. It is primarily used for the selective short-circuit and earth-fault protection of radial feeders in electrical distribution systems. -
What is the auxiliary supply voltage?
+Two versions exist: 80–265 V AC/DC (type SPTU 240R1) and 18–80 V DC (type SPTU 48R1). -
What curves are available for IDMT?
+It supports Normal, Very, Extremely, and Long-time Inverse curves (BS 142/IEC 60255), plus RI and RXIDG curves. -
What is the primary purpose of the SPAJ 142C?
+It is primarily used for selective short-circuit and non-directional earth-fault protection in solidly earthed, resistance earthed, or impedance earthed power systems. It continuously measures phase and neutral currents to deliver tripping signals and auto-reclose functions
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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