نقد و بررسی تخصصی کليد هوایی اشنایدر الکتریک 1250 آمپر سه پل کشویی سری NW قدرت قطع 65KA
circuit breaker Masterpact NW12N1 – 1250 A – 3 poles – drawout – w/o trip unit
48258
کليد هوایی 1250 آمپر سه پل کشویی سری NW قدرت قطع 65KA
NW12H13P2AD
| range of product |
Masterpact NW
|
|
|---|---|---|
| product or component type |
Basic frame
|
|
| device short name |
Masterpact NW12
|
|
| circuit breaker name |
Masterpact NW12N1
|
|
| poles description |
3P
|
|
| network type |
AC
|
|
| breaking capacity code |
N1
|
|
| suitability for isolation |
Yes conforming to IEC 60947-2
|
|
| utilisation category |
Category B
|
| network frequency |
50/60 Hz
|
|
|---|---|---|
| control type |
Push-button
|
|
| mounting mode |
Drawout
|
|
| [In] rated current |
1250 A at 40 °C
|
|
| [Ui] rated insulation voltage |
1000 V AC 50/60 Hz conforming to IEC 60947-2
|
|
| [Uimp] rated impulse withstand voltage |
12 kV conforming to IEC 60947-2
|
|
| [Icm] rated short-circuit making capacity |
187 kA 525 V AC at 50/60 Hz
187 kA 690 V AC at 50/60 Hz |
|
| [Ue] rated operational voltage |
690 V AC 50/60 Hz conforming to IEC 60947-2
|
|
| circuit breaker CT rating |
1250 A
|
|
| breaking capacity |
42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
42 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 690 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 220…240 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 380…415 V AC 50/60 Hz conforming to IEC 60947-2 |
|
| [Ics] rated service breaking capacity |
42 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
42 kA at 690 V AC 50/60 Hz conforming to IEC 60947-2 |
|
| protection type |
Without protection
|
|
| mechanical durability |
12500 cycles without maintenance conforming to IEC 60947-2
25000 cycles with maintenance conforming to IEC 60947-2 |
|
| electrical durability |
10000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-2
10000 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 |
|
| connection pitch |
115 mm
|
|
| [Icw] rated short-time withstand current |
22 kA 3 s conforming to IEC 60947-2
42 kA 1 s conforming to IEC 60947-2 |
|
| maximum breaking time |
25 ms
|
|
| maximum closing response time |
70 ms
|
|
| height |
439 mm
|
|
| width |
441 mm
|
|
| depth |
394.5 mm
|
| standards |
IEC 60947-2
|
|
|---|---|---|
| product certifications |
ASEFA
ASTA |
|
| pollution degree |
4 conforming to IEC 60664-1
|
|
| ambient air temperature for operation |
-25…70 °C
|
|
| ambient air temperature for storage |
-40…85 °C
|