Poznámky redaktora
Thermal overload relays T.50 0.2 0.08
to 250 0.
Technical data
Load rating auxiliary contacts
Type T7DU TA25DU . DU
Am setting
range
Signaling
contact (97, 98)
Terminals
L1, L3, L5
Manual test
Manual or
autom atic reset
Trip indication light
Reset button
-Tripping contact
(95,96)
Terminals
T1, T2, T3
Press Contacts Relay tripped Relay not tripped
blue button Manual Automatic Manual Automatic
NC 95-96 open open closed closed
NO 97-98 closed closed open open
Button Reset -
NC 95-96 closes when
Button‘s
pressed
NO 97-98 opens when
Button‘s
pressed
Button R/O Reset -
NC 95-96 closes when
Button‘s
released
opens when
Button‘s
pressed
closes when
Button‘s
released
opens when
Button‘s
pressed
closes when
Button‘s
released
NO 97-98 opens when
Button‘s
pressed
Position the connection terminals
TA25DU,TA42DU, TA200DU
TA75DU, TA80DU
TA450DU/SU
12
2CDC 106 014 C0203
.5 1.25 0.95
at 500 0..25 0.5 0.9 0.5
at 440 0.3 0....TA450DU/SU
Auxiliary switch NO
95 97-98 98
Rated operating voltage 500 500 500
Rated thermal current Ith 6
Rated operating current le
at 240 1.7 0..42
to 0..5 1.75
at 1.12 0.5 1.02 0.04
Maximum potential difference 500 500
between the and contacts 440 440
Short-circuit protection gL/gG 6
STOTZ circuit-breaker type:
S271 K1
S281 K1
Function the thermal overload relays
Frame size _
TA .17
to 120 0
