| Miniature circuit breaker 240 V 14kA, 1-pole, B, 45 A, D=70 mm according to UL 489, equal polarity |
Model |
Product brand name | SENTRON |
Product designation | Miniature circuit breakers |
Design of the product | Miniature circuit-breaker 5SJ4 |
General technical data |
Number of poles | 1 |
Number of poles / Note | 1P |
Tripping characteristic class | B |
Installation environment regarding EMC | Suitable for environment B (immunity to interference not applicable) |
circuit-breaker / Design | 5SJ4 |
Mechanical service life (switching cycles) / typical | 20 000 |
Reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750 | F |
Overvoltage category | 3 |
Voltage |
Type of voltage | AC/DC |
Insulation voltage / at AC / rated value | 440 V |
Supply voltage |
Supply voltage / at AC / rated value | 400 V |
Supply voltage frequency / rated value | 50 Hz |
Protection class |
Protection class IP | IP20, with connected conductors, IP 40 in the handle range |
Switching capacity |
Switching capacity current | |
acc. to EN 60898 / rated value | 10 kA |
acc. to IEC 60947-2 / rated value | 15 kA |
Dissipation |
Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 5.7 W |
Electricity |
Tripping residual / rated value / derated current / at 40 Cel | 45 A |
Current / at AC / rated value | 45 A |
Main circuit |
Type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02 | 240/120 |
Operating voltage | |
at AC / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum | 120 V |
at DC / 1-channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum | 60 V |
at DC / rated value / maximum | 60 V |
Suitability for operation | Mechanical engineering / industry |
Product details |
Product feature / Touch protection | Yes |
Product component | |
Tunnel terminals top | No |
Tunnel terminals bottom | No |
combined terminal top | Yes |
combined terminal bottom | Yes |
Product feature | |
halogen-free | Yes |
sealable | Yes |
silicon-free | Yes |
Product extension / can be installed / supplementary devices | Yes |
Product function |
Product function | |
Note | Terminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in |
neutral conductor switching | No |
Short circuit |
Breaking capacity short-circuit current (Icn) / at AC / acc. to UL 1077 and CSA C22.2 No.235 | 14 kA |
Number |
Number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 6 |
Connections |
Connectable conductor cross-section / finely stranded / with core end processing | |
minimum | 1.5 mm² |
maximum | 25 mm² |
Position / of power supply cord | Any |
Mechanical Design |
Height | 90 mm |
Width | 18 mm |
Depth | 70 mm |
Mounting position | any |
Installation depth | 70 mm |
Number of width units | 1 |
Mounting type | on standard mounting rail |
Net weight | 167 g |
Environmental conditions |
Degree of pollution | 3 |
Influence of the surrounding temperature | max. 95% humidity |
Vibration resistance | 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
Vibration resistance / acc. to IEC 60068-2-6 | 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
Ambient temperature | |
minimum | -25 °C |
maximum | 55 °C |
during storage / minimum | -40 °C |
during storage / maximum | 75 °C |