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  9. LEGRAND IME DELTA D4-F User manual

LEGRAND IME DELTA D4-F User manual

0,3...3A0,03...0,3A 3...30A
DESCRIZIONE FRONTALE FRONT DESCRIPTION
∂Predisposizione I
Δ
n soglia d’intervento
ÀSelettore portata x1 / x10 / x100
Controllare che l valore d’ ntervento selez onato s a compat b le con le sens -
b l tà m n ma r levab le dal trasformatore toro dale abb nato.
Õ ÕLED segnalazione
LED spento
LED acceso
LED lampeggiante
ŒPulsante di prova
Permette d s mulare la cond z one d allarme, l’accens one del LED Trip e la
commutaz one del relè d’usc ta.
œPulsante di ripristino lo stato d allarme permane f no a quando l’operatore
non ag sce sul tasto RESET.
Il r pr st no è n b to con corrente d fferenz ale pers stente: >50% I
Δ
n mpo-
stata
–Selettore PF / AL.50%
PF
= allarme (17-18-19) + segnalaz one mancanza rete POWER FAIL (60-61-62)
Al.50% = allarme (17-18-19) + preallarme 50% I
Δ
n (60-61-62)
—Selettore stato relé uscita: Nd (norm. d secc tato) s curezza negat va -
Ne (norm. ecc tato) s curezza pos t va.
Il relè d preallarme è sempre norm. d secc tato
Il relè POWER FAIL è sempre norm. ecc tato.
“Predisposizione ritardo intervento
Selez onando la sogl a d’ ntervento nella pos z one 0,03 v ene automat camen-
te escluso l r tardo ntervento, nd pendente dalla pos z one del selettore d
portata À
Per pred sporre sogl a d ntervento ∂I
Δ
n = 30mA con ntervento stantaneo
sele z onare 0,03 e accertas che l selettore À s a n pos z one x1.
”Indicazione istantanea della corrente differenziale ( n % del valore I
Δ
n mpostato)
Inserzione (on) esclusione (off) filtro per componenti armoniche.
ATTENZIONE
Inserendo il filtro per componenti armoniche, il differenziale non deve essere
utilizzato per la protezione delle persone.
ISTRUZIONI DI CABLAGGIO
• La pos z one d f ssagg o r sulta completamente nd fferente a f n del funz o-
namento.
• Le operazioni di predisposizione (soglia intervento, tempo ritardo, ecc.)
devono essere effettuate con apparecchio non alimentato.
• R spettare scrupolosamente lo schema d' nserz one, una nesat tezza ne collegament è
nev tab lmente causa d funz onamento anomalo o d dann all'apparecch o.
• L'otten mento della p ena funz onal tà del s stema d protez one d fferenz ale è legato
alle modal tà d nstallaz one, per cu s cons gl a:
+R durre al m n mo la d stanza tra toro de e relè
+Ut l zzare cav schermat o ntrecc at per la loro conness one
+Ev tare d d sporre cavett d conness one toro de-relè parallelamente a
conduttor d potenza
+Ev tare d nstallare toro de e relè n pross m tà d sorgent d camp elettroma-
gnet c ntens (gross trasformator ).
+Solo conduttor att v attraversano l toro de (d s.D1)
+Ut l zzando cavo schermato, l’armatura deve essere collegata a terra come da
(d s.D2)
+I conduttor devono essere pos z onat al centro del toro de (d s.D3). n
∂Setting intervention threshold I
Δ
n
ÀRange selector x1 / x10 / x100
Check that selected ntervent on value matches the lowest sens b l ty detec-
table by the connected r ng current transformer.
Õ ÕSignaling LED
LED off
LED on
LED blinking
ŒTest key
It allows to s mulate alarm cond t on, LED Trip sw tch ng on and output
relay sw tch ng.
œReset key the alarm stays unt l the operator doesn’t act on RESET key.
Reset s not poss ble w th pers stent res dual current: >50% I
Δ
n.
–Selector PF / AL.50%
PF = alarm
(17-18-19) + POWER FAIL s gnal ng (60-61-62)
Al.50% = alarm
(17-18-19)
+ pre-alarm 50%
Δ
n
(60-61-62)
—Switch for state of output relay: Nd (normally de-energ sed) negat ve secur ty
Ne (normally energ sed) pos t ve secur ty.
Pre-alarm relay s always normally de-energ zed.
POWER FAIL relay s always normally energ sed
“Setting intervention delay
Select ng the ntervenct on threshold on pos t on 0,03 the ntervent on delay
s automat call excluded, ndependently of pos t on of range selector, À.
To set ntervent on threshold ∂I
Δ
n = 30mA w th nstantaneous nterven-
t on, select 0,03 and make sure that selector Às on pos t on x1.
”Instantaneous display of earth leakage current ( n % of selected I
Δ
n value)
On off harmonic filter
ATTENTION
By connecting the harmonic component filter, the differential must not be used
to protect people.
WIRING INSTRUCTIONS
• Mount ng pos t on do not affect n any way the proper work ng.
• Setting operations (intervention threshold, delay time, etc.) must be carried
out with non fed meter.
• Please carefully follow the w r ng d agram; an error n connect ng the relay
may g ve r se to rregular work ng or damages.
• Four full funct onal of the earth relay the follow ng nstallat on recommen-
dat on should be adopted.
+To reduce as much as poss ble the d stance between r ng current transformer
and relay.
+To use only sh elded or tw sted cables for the r connect on
+To avo d n plac ng r ng current transformer-relay connect on cables
parallelly to power w res
+To avo d n mount ng r ng current transformer and relay near sources of ntense
electromagnet c f elds (b g transformers).
+Pass act ve conductor only through toro d (draw D1)
+When us ng bl nd cable, ensure ground connect on of armature (draw D2)
+Ensure the central pos t on ng of conductor through toro d (draw D3). n
0,03 0,05 0,075 0,1 0,15 0,2 0,3
x1 30mA 50mA 75mA 100mA 150mA 200mA 300mA
x10 300mA 500mA 750mA 1A1,5A 2A3A
x100 3A5A7,5A 10A 15A 20A 30A
I
Δ
n
Ã
On
Õ
Trip / Fail
• • Assenza tensione alimentazione ausiliaria o apparecchio fuori servizio
Lack of aux l ary voltage supply or out of order meter
Z•Sorveglianza • Superv s on
Z Z Allarme • Alarm
Z• Z• ZInterruzione collegamento toroide relè
Connect on breakdown between relay and r ng current transformer
•
Z
•Z•Z
~
0n
PF
0ff
h.f.filter
55
66
88
3
3
1111
99
10
22
1
44
7
7
Istruzioni d’uso
User’s Guide
RD3B2
BTicino SpA
Via e Borri, 231
21100 Varese - ITALY
www.imeita y.com
LE12568AA 10/20 - 01 IM
L1
L2
L3
N
20
B A
AUX.SUPPLY
Bm
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
50%
TRIP
L1
L2
L3
N
20
B A
AUX.SUPPLY
Ba
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
50%
TRIP
L1
L2
L3
N
20
B A
AUX.SUPPLY
Bm
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
50%
TRIP
L1
L2
L3
N
20
B A
AUX.SUPPLY
Ba
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
50%
TRIP
S 291/100 S 291/101 S 291/102 S 291/99
SICUREZZA NEGATIVA • NEGATIVE SECURITY PF SICUREZZA POSITIVA • POSITIVE SECURITY
L1
L2
L3
N
20
B A
AUX.SUPPLY
Bm
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
TRIP POWER FAIL
L1
L2
L3
N
20
B A
AUX.SUPPLY
Bm
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
TRIP POWER FAIL
L1
L2
L3
N
20
B A
AUX.SUPPLY
Ba
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
TRIP POWER FAIL
L1
L2
L3
N
20
B A
AUX.SUPPLY
Ba
TD
6
4
(+) (-)
TRANSFORMER
RESET TEST
132
21 19 18 17 60 61 62
TRIP POWER FAIL
S 291/140 S 291/141S 291/142S 291/143
SICUREZZA NEGATIVA • NEGATIVE SECURITY Al.50% SICUREZZA POSITIVA • POSITIVE SECURITY
L3 N
PE
L1 L2
L1L2
L3N
X
Y
Z
X=Y=Z
D1 D2 D3
NUCLEO CHIUSO / CLOSED CORE
CODICE PASSAGGIO CA O IΔn min(1) In 6In
CODE PASSING CABLE A A A
TDGA2 Ø 28 0,03 65 390
TDGB2 Ø 35 0,03 70 420
TDGH2 Ø 60 0,03 90 540
TDGC2 Ø 80 0,05 170 1020
TDGD2 Ø 110 0,1 250 1500
TDGE2 Ø 140 0,3 250 1500
TDGF2 Ø 210 0,3 400 2400
NUCLEO APRIBILE / OPEN CORE
CODICE PASSAGGIO CA O IΔn min(1) In 6In
CODE PASSING CABLE A A A
TDAA2 Ø 110 0,5 250 1500
TDAB2 Ø 150 0,5 250 1500
TDAC2 Ø 300 1 630 3780
Dametro: diametro foro interno trasformatore (passaggio cavi/sbarre)
IΔn m n: va ore minimo di I n impostabi e su re è differenzia e abbinato a
toroide
In: corrente nomina e de ’interruttore o sezionatore
I va ori indicati sono va idi unicamente con i conduttori passanti esatta-
mente a centro de toroide
Es. Sce ta trasformatore toroida e per corrente nomina e interruttore
(In) = 125A
Rispettando i parametri indicati da a normativa
IEC/EN 60947-2 allegato M.
occorre uti izzare un trasformatore
TDGC2
Corrente In = 170A
Corrente 6In = 1020A
In impianti con correnti transitorie debo i (< a 6In) è possibi e uti izzare
trasformatori toroida i di dimensioni inferiori, attenendosi a a seguente
formu a:
6In
(va ore indicato in tabe a)
=max. sovraccarico ammesso
Is
(corrente nomina e de ’interruttore uti izzato)
Es. Uti izzando un trasformatore TDGH2 con va ore
6In = 540A
con inter-
ruttore con corrente nomina e In=125A
540A
= 4,32
125A
I massimo sovraccarico ammesso è pari a 4,32 vo te a corrente de ’inter-
ruttore
Dameter: interna ho e of the transformer (bus bar and cab e passage)
IΔn m n: minimum va ue to be set on the Earth Leakage Re ay in order to
avoid unwanted tripping
In: rated current of the switch
The specified va ues are va id if the cab es are positioned in the centre of
the transformer
E.g. How to choose the correct transformer for a specific nomina current
(In) = 125 A
To comp y with the specification of the standard
IEC/EN 60947-2 annex M
,
the type
TDGC2
shou d be used
Current In = 170A
Current 6In = 1020A
Where the transients current are not so high, sma er transformers
(< a 6In) may be used provided that the fo owing ca cu ation is respected:
6In (see tab e)
=max over oad permissib e
Is(nomina current of the switch)
E.g. A
TDGH2
type with va ue
6In = 540A
in conjunction with a switch of
In=125A
540A
= 4,32
125A
Permissib e maximum over oad is
4,32
times the In of the switch.

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