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Control Box-Feeder Terminal Unit

The feeder terminal unit(FTU) is a new HV switch control device of control cabinet enclosures equipped with both the imported DSP high-speed sampling chips and the high-performance ARM chips, and can fast and stably finish the monitoring on the switch.

Industrial feeder remote terminal unitby our electric power equipment company has such functions as the protection, measuring, controlling, monitoring, communication, remote control, and so on and features high integration level, flexible configuration, and user-friendly interface. Electrical control cabinet are widely applied to the radiant and ring network power supply systems.

FTU outdoor control electrical control box can help the systems identify transient and permanent line faults. Outdoor control box eliminate the impact of transient line faults automatically, isolate the permanent fault segments to avoid prolonged power failure in a large area, and automatically recover the power supply in fault-free areas, so as to realize the automation of power distribution network in an economical and practical way.

Control Box-feeder Remote Terminal Unit Key Functions

S/N

Functions

Remarks

Three section protection

Each protection can be vote back independently

Over-current count protection

Failure time count, output after meeting the number of

times, output mode is optional

Zero-sequence protection

Output options: exit, alarm and tripping

Pre - voltage fault protection

Protection can be accelerated when combined at fault

point

Post-reclosing acceleration

Vote back independently

Constant time-lag

The protection time is fixed

Inverse time limit

Multiple protection curves optional

Ring network protection

Hardware needs to configure double PT

Event Log

The recording time is exactly millisecond

Status enquiry

The main content is remote control and remote

metering

Remote programmable

Remote input support programmable

Control Box-Feeder TerminalUnit Communication Protocols

S/N

Protocols

Remarks

IEC balanced

IEC unbalanced

IEC

Now support level 3

Modbus

Control Box-feeder Remote Terminal Unit Technical Parameters

Items

Rated value

Remarks

Operating ambient temperature

-40 ~ +85℃

Environmental relative humidity

10 ~ 100%

Maximum absolute humidity

35g/m3

Atmospheric pressure

66~ 108kPa

Working voltage

AC220V±20%

Working voltage frequency

50HZ±5HZ

Power consumption

≤15W

Protective exit time

<35ms

Protect inherent action time at 1.5 times fixed value

Insulation impedance

>100MΩ/ DC500V

Power frequency withstand voltage

2k

Power circuit to ground

500

On-off input circuit to ground

500

Output circuit to ground

2k

AC circuit to ground

2k

AC circuit and power circuit

1500

Between on-off input circuit and output circuit

Impulse withstand voltage

5k

Power circuit to ground

1k

On-off input circuit to ground

1k

Output circuit to ground

5k

AC circuit to ground

5k

AC circuit and power circuit

1k

Between on-off input circuit and output circuit

Gopowerhas many types of medium voltages LBS load break switch, in which 11kv load break switch and 15kv load break switch are very popular in our board and overseas customer, welcome to get enquiry now!



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