AZT-9
34
ZPrAE Sp. z o.o.
Si
gna
lli
ng
out
put
s
Current strength of contacts
4 A
Making capacity of contacts
3 A / 250 V AC
0,15 A / 250 V DC; L/R=40 ms
MZA and BAT modules
Number of output channels in MZA module
2 (change-over)
Number of output channels in BAT module
2 (change-over - bistable)
Delay of signalling channels
15 ms ÷ 45 ms
MWP module (option)
Number of output channels
8 (active with auxiliary power supply)
Delay of signalling channels
10 ms ÷ 15 ms
R
eco
rd
er
Procesing resolution A/C
12-bitów
Recording frequency
1 kHz
Single recording time of a disturbance
600 ms ÷ 60 s
Number of disturbance records
1 – 210 – (depending on time set)
Number of event records
1000
Number of event records for MGB module (option) 10000 (active with auxiliary power supply)
Ph
ase,
ear
th
-fa
ul
t,
neg
at
ive se
qu
en
ce co
m
po
nen
t pr
ot
ec
tions
Number of operation stages
3
Operating modes of each stage
OFF, OVER-CURR 50/51, UNDER-CURR 37
(required auxiliary power supply), IDMT EI ZPrAE,
IDMT SI IEC, IDMT VI IEC, IDMT EI IEC, IDMT LTI
IEC, IDMT MI IEEE, IDMT VI IEEE, IDMT EI IEEE,
IDMT I C08, IDMT STI C02
Setup resolution
0,1 I
n
Protections with independent characteristics
Starting threshold
0,2
I
n
÷ 40
I
n
Return ratio for overcurrent protection
0,95
±
0,03
Return ratio for undercurrent protection
1,05
±
0,03
Delay time tdel
0 ÷ 300 s
Reset time tres
0 ÷ 300 s
Time setup resolution
10 ms
Time setup guaranteed error
±
(0,1%
t
nastawy
+ 5 ms)
Protections with dependent characteristics
Starting threshold
0,2
I
n
÷ 4
I
n
Multiplier of TMS characteristic = tdel
0,01 s ÷ 10 s
Reset time tres (for IEC characteristics, ZPrAE)
0 ÷ 300 s
Multiplier of RTMS characteristics = tres (for
IEEE/C02/C08 characteristics)
0,01 s ÷ 5 s
Time setup resolution
10 ms
Time setup guaranteed error
±
(0,5%
t
theoretical
+ 5 ms) for:
–operation delay:
I
/
I
nastawy
> 10
– return delay: 0,1<
I
/
I
nastawy
<0,2
(accordingly with PN-EN 60255-151:2010)
CT
S
Fu
nc
tion
Starting threshold
I
2
/
I
1
20 % ÷ 90 %
Setup resolution
5 p. p.
Setup guaranteed error
±
3 p. p.
Return ratio
0,95
±
0,04
Delay time
0 ÷ 300 s
Time setup resolution
10 ms
Time setup guaranteed error
±
(0,1%
t
nastawy
+ 5 ms)