Deskripsi
Range name | Compact NSX |
Main function | Moulded Case Circuit Breaker (MCCB) |
Sub-range name | NSX250F |
Rated Voltage (AC) – Phase-to-phase | 690 V |
Rated impulse voltage (Uimp) | 8 kV |
Rated insulation voltage (Ui) | 800 V |
Rated current | 250 A |
Frame current rating | 250 AF |
Trip current rating | 250 AT |
Ultimate short circuit current breaking capacity (Icu) | (220-240Vac) 85 kA |
(380-415Vac) 36 kA | |
(440Vac) 35 kA | |
(500Vac) 30 kA | |
(525Vac) 22 kA | |
(660-690Vac) 8 kA | |
Service short circuit current breaking capacity (Ics) | (220-240Vac) 85 kA |
(380-415Vac) 36 kA | |
(440Vac) 35 kA | |
(500Vac) 30 kA | |
(525Vac) 22 kA | |
(660-690Vac) 8 kA | |
Service short circuit current breaking capacity as a percentage of Icu | (Ics%)100 % |
Poles | 3 Pole(s) |
Protected poles | 3 Pole(s) |
Utilisation category | A |
Compliant with standard(s) | IEC60947-2 |
NEMA AB1 | |
Electrical durability (with load) | (440Vac; In/2) 20000 operations |
(440Vac; In) 10000 operations | |
Mechanical durability (at no load) | 20000 operations |
Degree of pollution | 3 |
Trip unit type | TMD |
Thermal-Magnetic (adjustable) | |
Protection function | Thermal protection (Overload) |
Magnetic protection (Short-circuit) | |
Protection settings | (Over-current) adjustable from 0.7 – 1.0 x In |
(Short-circuit pickup current) adjustable 5-10xIn | |
Type of terminal | sLug |
Functions | Moulded Case Circuit Breaker (MCCB) |
Primary brand | Schneider Electric |
Secondary brand | Merlin Gerin |