General
When mounted in rows, the nominal device current can be limited to just 80% or must be overdimensioned accordingly.
Product type
Thermomagnetic device circuit breakers
Rated insulation voltage Ui
250 V AC (IEC 60934)
277 V AC (UL 1077)
Rated current IN
0.5 A (IEC 60934)
0.5 A DC (inductive load according to UL 508 - with plug-in base)
0.5 A DC (low-induction load according to UL 1077)
inductive load according to UL 1077
Insulation resistance Riso
Rated short-circuit switching capacity Icn
Minimum operating voltage Umin DC
Maximum operating voltage Umax DC
Maximum operating voltage Umax. AC
Minimum operating current Imin
Rated voltage
80 V DC (IEC 60934)
80 V DC (UL 1077)
80 V DC (UL 508 - with plug-in base)
Max. operating current Imax
Rated insulation voltage U<sub>i</sub>
250 V AC (IEC 60934)
277 V AC (UL 1077)
Rated current I<sub>N</sub>
0.5 A (IEC 60934)
0.5 A DC (inductive load according to UL 508 - with plug-in base)
0.5 A DC (low-induction load according to UL 1077)
inductive load according to UL 1077
Rated surge voltage
2.5 kV (Increased insulation in actuation area)
Insulation resistance R<sub>iso</sub>
Auxiliary circuit
277 V AC / 0.5 A (Low-induction)
277 V AC / 1 A (Low-induction, maximum of 2000 cycles)
50 V DC / 1 A (Low-induction)
Tripping level
Trip-free mechanism (positive)
Required backup fuse
≥ 15 A (I > I<sub>cn</sub>)
Rated short-circuit switching capacity I<sub>cn</sub>
Short-circuit switching capacity
1000 A AC (277 V AC)
1000 A DC (50 V DC)
Dielectric strength
1000 V AC (Open auxiliary circuit)
1500 V AC (Main to auxiliary circuit)
1500 V AC (Open main circuit)
1500 V AC (Position to position)
3000 V AC (Actuation area)
Switching cycles, max.
3000 (80 V DC/1 x I<sub>n</sub>)
6000 (240 V AC / 1 x I<sub>n</sub>)
Power dissipation
1.25 W (in nominal operation per channel)
Voltage drop
2.5 V (at 1 x I<sub>n</sub>)
Minimum operating voltage U<sub>min</sub> DC
Maximum operating voltage U<sub>max</sub> DC
Maximum operating voltage U<sub>max.</sub> AC
Minimum operating current I<sub>min</sub>
Max. operating current I<sub>max</sub>
Color
black (RAL 9005)
gray (RAL 7042)
Flammability rating according to UL 94
Insulating material group