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Compact NSX - Micrologic Trip Unit
LV431150 Circuit breaker ComPact NSX250B, 25 kA at 415 VAC, MicroLogic 2.2 trip unit 250 A, 4 poles 4d
Original price was: ₦717,510.00.₦665,000.28Current price is: ₦665,000.28. 7.5% VAT
Circuit breaker ComPact NSX250B, 25 kA at 415 VAC, MicroLogic 2.2 trip unit 250 A, 4 poles 4d
| range |
ComPact
|
|
|---|---|---|
| product name |
ComPact NSX
|
|
| range of product |
ComPact NSX100…250
|
|
| device short name |
NSX250B
|
|
| product or component type |
Circuit breaker
|
|
| device application |
Distribution
|
|
| Number of poles |
4P
|
|
| protected poles description |
3t + N/2
3t 4t |
|
| neutral position |
Left
|
|
| [In] rated current |
250 A at 40 °C
|
|
| [Ue] rated operational voltage |
690 V AC 50/60 Hz
|
|
| network type |
AC
|
|
| network frequency |
50/60 Hz
|
|
| suitability for isolation |
Yes conforming to EN/IEC 60947-2
|
|
| utilisation category |
Category A
|
|
| [Icu] rated ultimate short-circuit breaking capacity |
15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
|
| Performance level |
B 25 kA 415 V AC
|
|
| trip unit name |
Micrologic 2.2
|
|
| trip unit technology |
Electronic
|
|
| trip unit protection functions |
LSoI
|
|
| control type |
Toggle
|
|
| Circuit breaker mounting mode |
Fixed
|
| [Ui] rated insulation voltage |
800 V AC 50/60 Hz
|
|
|---|---|---|
| [Uimp] rated impulse withstand voltage |
8 kV
|
|
| [Ics] rated service short-circuit breaking capacity |
20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 |
|
| mechanical durability |
20000 cycles
|
|
| electrical durability |
5000 cycles at 690 V In
10000 cycles at 690 V In/2 10000 cycles at 440 V In 20000 cycles at 440 V In/2 |
|
| mounting support |
Backplate
|
|
| upside connection |
Front
|
|
| downside connection |
Front
|
|
| connection pitch |
35 mm
|
|
| protection type |
L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection |
|
| trip unit rating |
250 A at 40 °C
|
|
| Long-time pick-up adjustment type Ir (thermal protection) |
Adjustable 9 settings
|
|
| [Ir] long-time protection pick-up adjustment range |
100…250 A
|
|
| Long-time protection delay adjustment type tr |
Fixed
|
|
| [tr] long-time protection delay adjustment range |
11 s at 7.2 x Ir
16 s at 6 x Ir 400 s at 1.5 x Ir |
|
| thermal memory |
20 minutes before and after tripping
|
|
| Short-time protection pick-up adjustment type Isd |
Adjustable 9 settings
|
|
| [Isd] Short-time protection pick-up adjustment range |
1.5…10 x Ir
|
|
| Short-time protection delay adjustment type tsd |
Fixed
|
|
| Instantaneous protection pick-up adjustment type Ii |
Fixed
|
|
| [Ii] instantaneous protection pick-up adjustment range |
3000 A
|
|
| earth-leakage protection |
Without
|
|
| Neutral protection settings |
0.5 x Ir (3t + N/2)
1 x Ir (4t) No protection (3t) |
|
| Number of slots for electrical auxiliaries |
5 slot(s)
|
|
| local signalling |
Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
|
| Width (W) |
140 mm
|
|
| Height (H) |
161 mm
|
|
| Depth (D) |
86 mm
|
|
| net weight |
2.8 kg
|
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