Thermal
circuit-breakers:
Technical data
B 03
H 03
M 01, M02, M03
MR 03
MR 33
R 03
R 33
S 03
S 33
T 03
TB 450
0
C
::
Thermal circuit-breaker MR33
::
Circuit diagram
Contacts
NC
Nominal voltage
250V, 50 - 60 Hz
Life expectation in nominal conditions
10 000
Temperature range
65
0
C - 150
0
C
Temperature tolerance
+/- 5
0
C / +/- 7
0
C / +/- 10
0
C
Temperature change speed
0,5
0
C / 1 min
Acceptable temperature of environment
T 150
0
C
Thermic resistance
max. 230
0
C / 1 min
Electrical strenght of the insulation
2000V; 50Hz ; 1 min
Insulation resistance
>= 2 MOhm
*
NC - normally closed
*
NO - normally open
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