Description
ABB SPAD346C31 Product Overview
Product Overview
ABB SPAD346C31 is a high-performance differential protection relay mainly used to protect power transformers.It can quickly and accurately detect faults that occur inside transformers and issue protection signals to avoid greater losses.

SPAD346C31 ABB
Product Features
High sensitivity:It has a high sensitivity to minor faults inside the transformer and can detect faults early.
High selectivity:able to accurately distinguish between internal and external faults,avoiding misoperation.
Strong anti-interference ability:It has strong anti-interference ability and can work reliably in harsh electromagnetic environments.
Rich protection functions:In addition to differential protection,it also has multiple protection functions such as overcurrent,overvoltage,and ground fault.
Flexible settings:Flexible settings can be made according to different transformer characteristics and protection requirements.
Product parameters
Model:SPAD346C31
Protection type:differential protection
Response time:microsecond level
Communication interfaces:MODBUS,IEC 61850,etc
Working temperature:-25°C~+70°C
Storage temperature:-40°C~+85°C

SPAD346C31 ABB
Product function and purpose
Transformer protection:mainly used to protect power transformers and prevent internal faults such as short circuits and grounding.
Improving system reliability:By quickly and accurately detecting and isolating faults,the reliability of the power system can be enhanced.
Reduce economic losses:Avoid transformer damage due to faults and minimize economic losses.
application area
Power system:widely used in substations of the power system to protect power transformers.
Industrial enterprises:Used to protect the self use transformers of industrial enterprises.

SPAD346C31 ABB
summary
ABB SPAD346C31 is a high-performance differential protection relay that plays an important role in power systems.It can effectively protect power transformers and improve the reliability of the system.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
- 1. Email confirmation
You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.