RCS-974 Transformer Protection Auxiliary Relay oil and winding temperature gas, pressure Pole disagreement protection

The RCS-974 provides auxiliary protection for transformers including mechanical protection, pole disagreement protection and breaker failure protection. The source of mechanical protection can be designed from non-electrical quantities such as gas, oil temperature, winding temperature, pressure and oil level. It is fully compatible with IEC 61850 communication.

Mechanical protection. (26: oil and winding temperature; 63:gas, pressure; 71: oil level; etc)

Breaker failure initiation. (50BF)

Pole disagreement protection.

Fault and disturbance recorder.

64 pieces of tripping reports.

64 pieces of alarm reports.

64 pieces of binary input status change reports.

High resolution oscillography of last 24 oscillograms

(Compatible with international COMTRADE format)

Rear communication ports: Ethernet (Optional) with IEC 61850 or 2 RS-485 with

IEC 60870-5-103 protocol, 1 RS- 485 for clock synchronization, 1 RS-232 with printer.

• Front communication port: 1 RS-232 for testing and setting

Our company OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transformer , pump, valve , air compressor , meters and Instruments , cable and wire , actuator , circuit Breaker , gear reducer, coal feeder and flame , servo controllers, etc.

we are the major partner with leading companies in China including SEC, Dongfang and HEC. We have long-term business relationships with world majors like Samra , Vedanta, and PT PJB and so on .

We are upholding to creating as a leading player in the worldwide energy and machinery industry! You are welcome to contact us for more information!

Stand in customers’ situation to grasp the quality, coupled with our genuine service, we attain deep trust and recognition from our clients.
 

Hontai business scope include:

Export products :

- turbine

- generator

- boiler

- blower

- coal mill

- Flame ignition & spares 

- Actuator 

- Motor 

- Reducer 

- Valve 

- ESP 

- Coal feeder 

- Electric panel 

- Instrument & indicator 

- Other industry spares for replace : relay , fuse , transformer , solenoid value , 

limited switch , transducer , sensor , thyristor and so on .

Import products :

- Coconut fiber

- Imported brand IC 

- EPRO sensor