Description
Thermal device circuit breaker
1-channel thermal device circuit breaker for protecting loads at 250 V AC / 72 V DC in the event of an overload. For installation on fuse terminal blocks and interfaces for flat plug-in fuse of type C according to standard ISO 8820-3. With fixed nominal current: 8 A
Product properties
| Product type |
Thermal device circuit breakers |
| Type |
Male |
| Number of positions |
1 |
| No. of channels |
1 |
| Insulation characteristics |
| Overvoltage category |
II |
| Degree of pollution |
2 |
Electrical properties
| Fuse type |
Automatic device |
| Fuse |
Slow-blow |
| General |
| Rated voltage |
250 V AC |
| Rated voltage |
65 V DC |
| Rated voltage |
250 V AC (AC according to UL 1077) |
| Rated voltage |
72 V DC (DC according to UL 1077) |
| Rated current I<sub>N</sub> |
8 A |
| Rated surge voltage |
2.5 kV |
| Insulation resistance R<sub>iso</sub> |
> 100 MΩ (500 V DC) |
| Tripping method |
T (thermal) |
| Device resistance |
0.05 Ω |
| Rated short-circuit switching capacity I<sub>cn</sub> |
64 A (250 V AC / 65 V DC) |
| Rated short-circuit switching capacity I<sub>cn</sub> |
160 A (30 V DC) |
| Short-circuit switching capacity |
2000 A (250 V AC / UL 1077) |
| Short-circuit switching capacity |
2000 A (72 V DC / UL 1077) |
| Dielectric strength |
3000 V AC (Actuation area) |
| Dielectric strength |
1500 V AC (Installation area) |
| Switching cycles, max. |
6000 (At 1 x I<sub>n</sub>, low-induction) |
| Switching cycles, max. |
3000 (At 1 x I<sub>n</sub>, inductive) |
| Switching cycles, max. |
500 (At 2 x I<sub>n</sub>, inductive) |
| Contact switching type |
Type C in accordance with ISO 8820-3 |
Connection data
| Nominal current |
8 A |
| Nominal voltage |
250 V AC |
| Nominal voltage |
65 V DC |
| Connection method |
pluggable |
Dimensions
| Width |
8.2 mm |
| Height |
24.4 mm |
| Height NS 35/7,5 |
55 mm |
| Depth |
44.5 mm |
Material specifications
| Color |
black (RAL 9005) |
| Flammability rating according to UL 94 |
V-0 |
| Insulating material group |
IIIb |
| Insulating material |
PPS |
Mechanical properties
| Mechanical data |
| Open side panel |
No |
Environmental and real-life conditions
| Ambient conditions |
| Degree of protection |
IP40 (Actuation area) |
| Ambient temperature (operation) |
-20 °C … 60 °C |
| Altitude |
4000 m |
| Humidity test |
240 h, 95 % RH, 40 °C |
Standards and regulations
| Standards/specifications |
EN 60934 |
Mounting
| Mounting type |
on base element |
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