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NC2 0 - Manual - 01 - 2015

FUNCTION CHARACTERISTICS

Fun_50-51FS3.ai

>>>RES

RESET

>>>def

≥1

>>>def

>>>RES

Start I>>>

Trip I>>>

CB-State

ON≡Enable I>> overcurrent element

Block1, Block2

I>>>TR-K

I>>>TR-L

I>>>ST-L

I>>>ST-K

CLP>>>

ICLP>>>Mode

CLP

>>>

BF Enable (ON≡Enable)

I>>>BF

towards BF logic

I>>> BF

Trip I>>>

TRIPPING MATRIX

(LED+RELAYS)

Output t

CLP>>

I>>> Enable

I>>> overcurrent element (50/51 Fundamental) Block diagram

CLP>>>

CB State CB OPEN CB CLOSED CB OPEN

Output t

CLP

0.1 s

HIGH THRESHOLD/

BLOCK

LOW THRESHOLD/

UNBLOCK

HIGH THRESHOLD/

BLOCK

A = ON - Change setting

B = OFF

C = ON - Element blocking

(ON≡

Inhibit

)

Start I>>>

I>AL inhibition

I>AL disbyl>>>

≥1

CLP I>>>

(ON≡

Inhibit

)

Start I>>>

I> inhibition

I> disbyl>>>

(ON≡

Inhibit

)

Start I>>>

I>> inhibition

I>> disbyl>>>

≥1

(Pickup within CLP)

(Pickup outside CLP)

CLP

>>>def

≥

CLP

>>>def

A =“1”A =“0 or OFF”

State

≥

I>>>

def

I>>>

def

Phase overcurrent (50/51 Fundamental) - Third element logic diagram (I>>>)

Brand	Thytronic
Model	NC20
Category	Power distribution unit
Language	English

Thytronic NC20 User Manual

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Thytronic NC20 Specifications

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