ABB SACE Tmax XT2 - Performance Tables

1SDH002031A1002 ECN000092998 Rev. B SACE Tmax XT2 – XT4 | 78
24 - Performance tables
General notes
 The performances shown in the following tables are valid with intervention time  100 ms
and temperature and signals within operating limits. If these constraints are not respected,
tolerances can increase.
 Ekip Touch sends the TRIP command if the signal read exceeds the threshold for a time
longer than what is set (or resulting from the formula)
 With a time-dependent tripping curve the calculation refers to a signal that maintains a
constant value throughout the duration. Any variation of the alarm signal will result in a
different trip time
 The supplementary notes are shown after all the tables
Standard
Protections
Protection
[ANSI code]
Trip time t
t
(1)
Trip threshold
tolerance
(3)
Trip time tolerance
L [49]
Curve
t = k/I
2
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


󰇛
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󰇜

Activation for If in the
range:
(1.05-1.2) x I1
± 10 % with If  6 x In
± 20 % with If > 6 In
Curves
60255-
151
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
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

󰇢

󰇨
S [50TD / 51]
Curve
t = k
 tt = t2
± 7 % with If  6 In
± 10 % with If > 6 In
The better of: ± 10 % or
± 40 ms
Curve
t = k/I
2
 





± 15 % with If  6 x In
± 20 % with If > 6 In
S2 [50TD]
t
t
= t5
± 7 % with If  6 In
± 10 % with If > 6 In
The better of: ± 10 % or
± 40 ms
I [50]
t
t
 30 ms
± 10 %
--
G [50N TD /
51N]
Curve
t = k
 t
t
= t4
± 7 %
The better of: ± 10 % o
± 40 ms
(2)
Curve
t = k/I
2
 

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
󰇡

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
± 15 %
MCR
t
t
 30 ms
± 10 %
--
2I [50]
t
t
 30 ms
± 10 %
--
IU [46]
t
t
= t6
± 10 %
The better of: ± 10 % or
± 40 ms with t6 < 5 s;
± 100 ms with t6  5 s
Startup
Protection
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
S StartUp
t
t
= t2 startup
± 7 % with If  6 In
± 10 % with If > 6 In
The better of: ± 10 % or ± 40 ms
I StartUp
t
t
 30 ms
± 10 %
--
G StartUp
t
t
= t4 startup
± 7 %
The better of: ± 10 % or ± 40 ms
S2 StartUp
t
t
= t5 startup
± 7 % with If  6 In
± 10 % with If > 6 In
The better of: ± 10 % or ± 40 ms