Manufacturer: ABB
Model Number: SPAJ140C
Product Type: Overcurrent And Earth-fault Relay
Current Input: 1 A or 5 A (selectable)
Time Characteristics: Definite Time (DT) and IDMT
IDMT Curves: Normal, Very Inverse, Extremely Inverse, Long-time Inverse
Auxiliary Supply Voltage: 80–265 V AC / 18–80 V DC
Communication Interface: RS-485 (Modbus RTU), optional fiber/SPABUS
Display: Front-panel LCD with push-button control
Operating Temperature: –25 °C to +70 °C

ABB SPAJ140C Overcurrent And Earth-fault Relay is an advanced numerical protection relay designed for medium and low-voltage distribution system protection. It integrates multiple protection functions including phase overcurrent and earth-fault detection into a single compact unit, delivering reliable and selective fault clearing for feeders, transformers, and industrial power distribution networks. With a microprocessor-based design, the relay supports timed or inverse definite minimum time (IDMT) characteristics, flexible configuration, and seamless integration with supervisory control systems (such as SCADA via Modbus RTU). Its robust construction is suitable for harsh industrial environments, ensuring high reliability and accurate fault detection.

sales7@amikon.cn 86-18965423501 AMKPLC

1)100% full New! - Original Factory Seal !
2)We have DHL,UPS,TNT ，customers can also use their own freight forwarders.
3)Package: Original packing with cartons.

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Frequently asked questions

Q1:What is the earliest time when you can make delivery?
A:We will make delivery once received your payment.
Q2:Do you have branches in foreign countries?
A:No,but we sell to all over the world.
Q3:Are you manufactory or trading company?
A:Trading company.
Q4:Can you offer Technical Support?
A:No,we sell hardware,not include the technical support.
Q5:Can you supply Datasheets/Literature/Technical Literature?
A:The datasheet will be shipped together with the goods.

Why You Can Trust Us?

★20 Years in this industry:
Our company specializes in supplying discontinued and hard-to-find parts for global industrial brands for over 20 years.
We have more than 30.000 high-quality spare parts, they can be sold immediately. Our large inventory allows us to quickly meet
customer needs, thereby reducing downtime and protecting production schedules.
★Professional Teams:
Whether you need new spare parts or obsolete/discontinued industrial parts, our experienced professional team will use years of industry knowledge in the industry to provide you with efficient parts solutions.
★Pruducts Quality:
100% full New! - Original Factory Seal!
We accept on-site inspection and pick-up.
We can also offer you one year guarantee.

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