| Circuit breaker Universal current 440 V DC/400 V AC 10kA, 2-pole, C, 1A for railway applications |
Model |
Product brand name | SENTRON |
Product designation | Miniature circuit breaker |
Design of the product | For railway applications |
General technical data |
Number of poles | 2 |
Number of poles / Note | 2P |
Tripping characteristic class | C |
circuit-breaker / Design | 5SY5 |
Mechanical service life (switching cycles) / typical | 20 000 |
Overvoltage category | III |
Voltage |
Type of voltage | AC/DC |
Insulation voltage | |
at DC / rated value | 250 V |
with multi-phase operation / at AC / rated value | 440 V |
Supply voltage |
Supply voltage | |
at AC / rated value | 400 V |
Supply voltage frequency | |
rated value | 50/60 Hz |
Protection class |
Protection class IP | IP20, with connected conductors |
Energy limiting class | 3 |
Switching capacity |
Switching capacity current | |
at DC / acc. to IEC 60947-2 / rated value | 15 kA |
acc. to EN 60898 / rated value | 10 kA |
Dissipation |
Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 1.2 W |
Electricity |
Current / at AC / rated value | 1 A |
Suitability for operation | universal current |
Product details |
Product feature / Touch protection | Yes |
Product component | |
combined terminal top | Yes |
combined terminal bottom | Yes |
Product feature | |
Properties for main switches in accordance with EN 60204-1 | Yes |
halogen-free | Yes |
sealable | Yes |
silicon-free | Yes |
Product extension / can be installed / supplementary devices | Yes |
Product function |
Product function / neutral conductor switching | No |
Short circuit |
Breaking capacity short-circuit current (Icn) | |
at DC / acc. to EN 60898-2 | 10 kA |
Number |
Number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 6 |
Connections |
Connectable conductor cross-section / stranded | |
minimum | 0.75 mm² |
maximum | 35 mm² |
Connectable conductor cross-section | |
solid | |
— minimum | 0.75 mm² |
— maximum | 35 mm² |
finely stranded / with core end processing | |
— minimum | 0.75 mm² |
— maximum | 25 mm² |
AWG number / as coded connectable conductor cross section | |
minimum | 14 |
maximum | 4 |
Tightening torque [lbf·in] / with screw-type terminals | |
minimum | 22 lbf·in |
maximum | 26 lbf·in |
Tightening torque / with screw-type terminals | |
minimum | 2.5 N·m |
maximum | 3 N·m |
Position / of power supply cord | AC as required, observe DC polarity |
Mechanical Design |
Height | 90 mm |
Width | 36 mm |
Depth | 76 mm |
Mounting position | any |
Installation depth | 70 mm |
Number of width units | 2 |
Mounting type | Quick assembly system |
Net weight | 333 g |
Environmental conditions |
Degree of pollution | 3 |
Influence of the surrounding temperature | Max. 95% humidity |
Vibration resistance / acc. to IEC 60068-2-6 | 50m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
Ambient temperature | |
minimum | -40 °C |
maximum | 70 °C |
during storage / minimum | -40 °C |
during storage / maximum | 75 °C |