itsce-604050012 - SACESales.com

SACE Isomax S circuit-breakers
for power distribution
Electronic releases
Protection functions and parametrisation of the SACE PR211/P, PR212/P releases
Protection function
Trip threshold
CANNOT
BE EXCLUDED
Against overload with inverse long time
delay and trip characteristic according to
a time dependent curve (I 2 t = constant)
I1 = 0,4 - 0,5 - 0,6 - 0,7 - 0,8 - 0,95 - 1 x In PR211/P (I - LI)
I1 = 0,4 - 0,5 - 0,55 - 0,6 - 0,65 - 0,7 - 0,75 - 0,8 - 0,85 - 0,875 -
0,9 - 0,925 - 0,95 - 0,975 - 1 x In PR212/P (LSI - LSIG)
Release between 1,05 ... 1,30 x I1 (IEC 60947-2)
CAN
BE EXCLUDED
Against short-circuit with inverse short
time delay and trip characteristic with
dependent time (I 2 t = constant) or
independent time
I 2 t=cost
ON
I 2 t=cost
OFF
I2 = 1 - 2 - 3 - 4 - 6 - 8 - 10 x In
Tolerance + 10%
I2 = 1 - 2 - 3 - 4 - 6 - 8 - 10 x In
Tolerance + 10%
CAN
BE EXCLUDED
Against short-circuit with adjustable
instantaneous trip
I3 = 1,5 - 2 - 4 - 6 - 8 - 10 - 12 x In (*)
Tolerance + 20%
(*) For S5 630, I3 max = 8 x In
3
CAN
BE EXCLUDED
Against earth fault with short inverse
time delay and trip characteristic
according to a dependent time curve
(I 2 t = constant)
I4 = 0,2 - 0,3 -0,4 - 0,6 - 0,8 - 0,9 - 1xIn
Tolerance + 20%
SACE PR211/P electronic release, functions I or LI
Protection L
Against overload
Protection I
Against short-circuit with
instantaneous trip
Socket for Test
SACE TT1 Test unit
GSIS9054
3/12 ABB SACE