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NL1 Series DC Disconnector Switch | 2P/4P 1200VDC DIN-Rail
NL1 series dc disconnector switch, DIN-rail 2P/4P up to 1200VDC.
IP20 protection, black rotary handle with compact structure.
IEC 60947-3 compliant, ideal for صناديق التجميع الكهروضوئية and inverter DC panels
لمحة عامة
إن dc disconnector switch NL1 series is designed for integration in
صناديق التجميع الكهروضوئية, inverter inputs, and
DC distribution panels.
It offers safe isolation of photovoltaic strings with 2-pole and 4-pole options
and a voltage rating up to 1200VDC.
Featuring a compact body and a black rotary handle, NL1 is an economical and reliable indoor solution.
الميزات الرئيسية
- dc disconnector switch rated up to 1200VDC
- Available in 2P and 4P configurations
- DIN-rail mounted, IP20 enclosure
- Polarity-free wiring, interchangeable + and –
- Current ratings: 16A / 25A / 32A
- Mechanical endurance: 18k cycles; Electrical: 2k cycles
- Impulse withstand: 8.0 kV, Short-time withstand: 1kA, 1s
- متوافق مع IEC 60947-3
الخصائص الكهربائية
| Function | Isolator, Control |
| الأعمدة | 2 ف-2/ف-4 |
| Rated Operational Voltage (Ue) | 300–1200 VDC |
| Rated Insulation Voltage (Ui) | 1200 VDC |
| Short-time Withstand (Icw) | 1 kA, 1 s |
| Impulse Withstand Voltage (Uimp) | 8.0 kV |
| Ingress Protection | IP20 |
| Service Life | Mechanical 18,000 / Electrical 2,000 |
Rated Voltage / Current
| النوع | 300V | 600V | 800V | 1000V | 1200V |
|---|---|---|---|---|---|
| FMPV16-NL1 | 16A | 16A | 12A | 8A | 6A |
| FMPV25-NL1 | 25A | 25A | 15A | 9A | 7A |
| FMPV32-NL1 | 32A | 32A | 17A | 10A | 8A |
Switching Configurations
- 2P – isolate one PV string
- 4P – isolate dual strings simultaneously
- 4T / 4B / 4S – four poles in series with flexible wiring
- 2H – two poles paralleled for higher current
الأبعاد
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التطبيقات
The NL1 dc disconnector switch is commonly used in indoor PV systems requiring compact and
reliable DC isolation. It is ideal for صناديق التجميع, inverter connections,
و فتيل التيار المستمر panels. For slim-panel installations, see
NL1-T series.
الأسئلة الشائعة
Q1: What is the NL1 dc disconnector switch used for?
A1: The NL1 is designed for safe DC isolation in PV combiner boxes, inverter inputs, and DC distribution panels.
Q2: What versions are available in the NL1 series?
A2: The NL1 is available in 2P and 4P versions, supporting voltages up to 1200VDC.
Q3: What is the handle type of NL1?
A3: The NL1 features a compact black rotary handle with standard push operation.
Q4: Does the NL1 comply with international standards?
A4: Yes, it complies with IEC 60947-3.
Q5: Is the NL1 polarity sensitive?
A5: No, the NL1 is polarity-free, so + and – connections can be interchanged.
Q6: What endurance does the NL1 provide?
A6: It offers 18,000 mechanical operations and 2,000 electrical operations.
Q7: Can the NL1 be installed on DIN rails?
A7: Yes, the NL1 is designed for 35 mm DIN-rail installation.
Q8: What current ratings are supported?
A8: NL1 models are available in 16A, 25A, and 32A ratings.
Q9: What applications is NL1 most suited for?
A9: It is ideal for residential and commercial PV systems where standard compact DIN-rail mounting is required.
Q10: Is OEM/ODM customization available?
A10: Yes, OEM/ODM labeling and customization are available on request.
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