Solar PV Disconnector Switch DC1200V 4p 32A DIN Rail Mounted DC Isolator Switch Disconnector Used for Photovoltaic System

Customization: Available
Type: Low-voltage
Installation: Outdoor High-voltage

Product Description

Basic Information
Model NO. FMPV32-NL1 Operation Manual
Rated Voltage 1200V Rated Current 16A, 25A, 32A
Number of Poles 2P / 4P Protection Level IP20
Installation DIN Rail Mounting Opening Method 90° Rotary Switch
Certification ISO, GS, RoHS, CE HS Code 8536500000
Product Description

The FMPV32-NL1 Series DC changeover switches have been specifically designed to switch Direct Current (DC) at voltages up to 1000V - 1200V. Their robust design and ability to switch such voltages at rated current mean that they are ideally suited to be used in the switching of Photovoltaic (PV) systems.

In accordance with IEC standards, all photovoltaic installations must be equipped with a DC switch to safely disconnect the DC/AC inverter from the solar panels during maintenance or emergency situations.

Product Features
DC Isolator Switch Features
  • IP20 Protection Level for safe internal operation.
  • Standard Din rail mounted design for easy installation.
  • Switch body optimized for 4P configuration.
  • Available in 2 Pole and 4 Pole (Single/Double String).
  • Compliant with Standards: IEC60947-3, AS60947.3.
  • Utilization Categories: DC-PV2, DC-PV1, DC-21B.
  • High capacity support for 16A, 25A, 32A at 1200V DC.
Technical Parameters
Electrical Characteristics
Utilization category DC-PV2 / DC-PV1 / DC-21B
Rated operational voltage (Ue) 300V, 600V, 800V, 1000V, 1200V
Rated insulation voltage (Ui) 1200V
Rated short-time withstand current (Icw) 1kA, 1s
Rated impulse withstand voltage (Uimp) 8.0kV
Mechanical Service Life 18,000 Cycles
Electrical Service Life 2,000 Cycles
Storage temperature -40ºC ~ +85ºC
Polarity Non-polar (interchangeable "+" and "-")
DC Isolator Specifications
Dimensions & Details
Dimension Diagram
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Professional Capability

We are professional manufacturers of AC and DC electrical components, including cable glands, isolator switches, fuses, circuit breakers, and PV combiner boxes. Our comprehensive product line includes more than 1,000 models approved by TUV, CE, CQC, SGS, and ROHS.

Serving over 60 countries and regions worldwide, we strive to provide high-quality solar protection products and competitive solutions for all renewable energy installations.

Frequently Asked Questions
1. What is the maximum operating voltage for this DC isolator? The FMPV32-NL1 series is designed to handle rated operational voltages up to 1200V DC, making it ideal for high-voltage photovoltaic systems.
2. Does the switch require specific polarity for wiring? No, this isolator switch is non-polar. The "+" and "-" polarities can be interchanged according to your system requirements.
3. Is this switch suitable for outdoor environments? The switch has an IP20 protection level and is designed for rail mounting inside distribution boxes or enclosures, which can be placed in both indoor and outdoor environments depending on the outer enclosure's rating.
4. What international standards does this product comply with? The product complies with IEC60947-3 and AS60947.3 standards and holds certifications such as CE, TUV, and ROHS.
5. What is the mechanical life expectancy of the switch? The switch is engineered for high durability with a mechanical service life of approximately 18,000 cycles and an electrical life of 2,000 cycles.
6. Can I use this for both 2-pole and 4-pole applications? Yes, the series offers both 2P and 4P configurations to suit single or double string photovoltaic installations.

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