| SENTRON, Fuse switch disconnector 3NP4, 3-pole, NH00, 160 A, for Busbar system 8US 40 mm, screw terminal, Fuse monitoring: yes |
Model |
Product brand name | SENTRON |
Product designation | 3NP4 fuse switch disconnector |
Design type | For snapping on 40 mm busbar systems, with adapter, deep, with AUX -/1 NO + 1 NC, without high-speed closing, with fuse monitoring SUE |
Version of fuse monitoring | Yes |
Design of the operating mechanism | Cover handle |
Design of the load switch / Strip form | No |
General technical data |
Number of poles | 3 |
Size of disconnecting link | NH000, NH00 |
Size of fuse link | NH000, NH00 |
Continuous current / at 35 °C / rated value | 160 A |
power factor cos phi / in utilization category | |
AC-21 B / at 400 V | 0.95 |
AC-21 B / at 500 V | 0.95 |
AC-22 B / at 400 V | 0.65 |
AC-22 B / at 500 V | 0.65 |
circuit-breaker / Design | 3NP407 |
Mounting type | Plug-in |
Fuse system | LV HRC fuse |
Voltage |
Type of voltage | AC/DC |
Insulation voltage / rated value | 690 V |
Surge voltage resistance / rated value | 6 kV |
Protection class |
Protection class IP / on the front | IP00 |
Dissipation |
Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 3.33 W |
Electricity |
Current / rated value | 160 A |
Continuous current | |
rated value | 160 A |
at 40 °C / rated value | 157 A |
at 45 °C / rated value | 152 A |
at 50 °C / rated value | 146 A |
at 55 °C / rated value | 138 A |
at 60 °C / rated value | 131 A |
at 65 °C / rated value | 123 A |
at 70 °C / rated value | 115 A |
Let-through current / I2 t / maximum permissible / in utilization category | |
AC-21 B / at 400 V | 225 000 A²·s |
AC-21 B / at 500 V | 225 000 A²·s |
AC-22 B / at 400 V | 225 000 A²·s |
AC-22 B / at 500 V | 225 000 A²·s |
Let-through current / Ic / maximum permissible / in utilization category | |
AC-21 B / at 400 V | 15 kA |
AC-21 B / at 500 V | 15 kA |
AC-22 B / at 400 V | 15 kA |
AC-22 B / at 500 V | 15 kA |
Main circuit |
Operating voltage | |
at AC / at 50/60 Hz / rated value | 690 V |
at AC / rated value / maximum | 690 V |
at DC / rated value | 220 V |
Rated current Ie / maximum / in utilization category | |
AC-21 B / at 400 V | 160 A |
AC-21 B / at 500 V | 160 A |
AC-22 B / at 400 V | 160 A |
AC-22 B / at 500 V | 100 A |
Suitability |
Suitability for use | system protection |
Main switch | No |
switch disconnector | Yes |
EMERGENCY OFF switch | No |
safety switch | Yes |
Product function |
Product function / fuse monitoring | Yes |
Short circuit |
Maximum short-circuit current breaking capacity (Icu) / at 400 V / rated value | 0.8 kA |
Conditional rated short-circuit current / in utilization category | |
AC-21 B / at 400 V | 50 kA |
AC-21 B / at 500 V | 50 kA |
AC-22 B / at 400 V | 50 kA |
AC-22 B / at 500 V | 50 kA |
Connections |
Type of electrical connection | 2.5 - 70 mm² |
for main current circuit | screw-type terminals |
Mechanical Design |
Height | 172.3 mm |
Width | 108 mm |
Depth | 229 mm |
Number of width units | 1 |
Mounting type | Busbar |
Mounting type | |
floor mounting | No |
front mounting | No |
rail mounting | Yes |
Busbar center-to-center spacing | 40 mm |
Net weight | 1 792 g |
Environmental conditions |
Degree of pollution | 3 |
Installation altitude / at height above sea level / maximum | 2 000 m |
Ambient temperature | |
during operation / minimum | -25 °C |
during operation / maximum | 55 °C |
during storage / minimum | -50 °C |
during storage / maximum | 80 °C |