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RELAY

ABB SPAU 140 C-AA Numerical Synchro-Check and Voltage-Check Protection Relay

Name: ABB SPAU 140 C-AA Numerical Synchro-Check and Voltage-Check Protection Relay
Brand: ABB
SKU: 751
Price: 45000.00 INR
Availability: InStock

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₹ 45,000.00 ₹ 56,250.00 -20%

USED

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Parameter	Details
Brand	ABB
Model	SPAU 140 C-AA
Protection Functions	Overcurrent (OC), Earth Fault (EF)
Relay Type	Numerical Feeder Protection Relay
Trip Characteristics	IDMT / Definite Time
Input	CT Operated
Mounting Type	Panel Mount
Indication	LED Status (Trip / Fault / Healthy)
Auxiliary Supply	110/220V AC/DC (model dependent)
Application	Feeder, Transformer, Distribution Line Protection
Usage	Switchgear Panels, Substations, Industrial Panels
Frequency	50 / 60 Hz
Output Contacts	Trip & Alarm Contacts
Condition	Used Excellent Working (As Per Photos)
Country In Origin	Made In FINLAND
Shipping	Fast & Safe Worldwide Shipping Available.

Brand	ABB
Category	RELAY

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Numerical feeder protection relay for MV/HV panels
Overcurrent (OC) and Earth Fault (EF) protection functions
IDMT & Definite Time trip characteristics
CT operated inputs for accurate current sensing
LED indication for Trip, Fault & Healthy status
High reliability for switchgear and feeder panels
Panel mount design for control & relay panels
Auxiliary supply operated
Ideal for substations, feeders, and industrial power systems
Proven ABB protection technology for critical networks

The ABB SPAU 140 C is a highly reliable numerical feeder protection relay designed for medium and high voltage electrical distribution systems. It provides precise Overcurrent (OC) and Earth Fault (EF) protection for feeder lines, ensuring safe operation of switchgear, transformers, and distribution feeders.

Engineered with ABB’s trusted protection algorithms, this relay supports IDMT (Inverse Definite Minimum Time) and Definite Time trip curves, enabling accurate fault discrimination and faster isolation of faults. The relay is CT operated, making it suitable for panel integration in substation and industrial electrical panels.

With clear LED status indicators, robust construction, and proven field performance, the SPAU 140 C-AA is widely used in substations, industrial plants, utilities, and process industries for dependable feeder protection.