NOARK 1500 Volt Disconnect Switches

January 19, 2024

NOARK Electric is now offering two families of 1500VDC disconnect switches  as new additions to its DC product catalog. The new disconnect switches are dc voltage rated up to 1500V (volts) and offer short time withstand ratings up to 150kA (kilo-amperes).

ASD25 DC Disconnect Switches

Noark Electric ASD25 DC disconnect switches are available in current ratings of 800A – 2500A with short‐time withstand current up to 150kA @ 1500 Vdc. The ASD25 DC disconnect switch features a poles‐in-series design and jumper connection configurations for both grounded and ungrounded systems. The ASD25 DC disconnect switch is backed by a 1‐year limited warranty.

Features include:

  • UL489B / UL489 Supplement SC Compliant.
  • Operating voltage up to 1500Vdc (4 poles in series)
  • Rated short time withstand current up to 150kA.
  • Can be used in grounded and ungrounded systems.
  • Ambient working temperature -40℃~70℃.
  • A full line of internal and external accessories available.
  • Factory mounted connection jumpers comply with UL regulations.

ASD16 DC Disconnect Switches

Noark Electric ASD16 DC disconnect switches are available in current ratings of 600A through 1600A with short-time withstand current up to 75 kA @ 1500 Vdc. The ASD16 DC disconnect switch features a poles-in-series design and jumper connection configuration for ungrounded systems. The ASD16 DC disconnect switch is backed by a 1-year limited warranty.

Features include:

  • Rated current 600 – 1600A.
  • Rated voltage up to 1500Vdc (4-Pole in series).
  • Short circuit withstand current 75kA.
  • 12,500 operations, before maintenance (Mechanical)
  • Compact design for limited space in combiner box or the solar inverter.
  • An extensive range of accessories.
  • Can be used in ungrounded systems.
  • Factory mounted connection jumpers comply with UL regulations.

How Do Disconnect Switched Improve Your Power Systems?

Disconnect switches, as the name suggests, are devices that enable the safe connection or isolation of electrical equipment from a power supply. With more focus on renewable forms of energy, there is an increasing demand for larger capacities with solar PV and battery storage strings. The resulting dc component requires a reliable means of power transfer and evacuation. This is where Noark Electric’s 1500Vdc disconnect switches come in handy.

The All-New Design 1500 Volt Disconnect Switch

Noark Electric’s 1500-volt disconnect switches are specifically designed for high-voltage dc applications and offer a wide range of benefits. Whether you’re dealing with solar power systems, battery, or energy storage systems these switches can provide a reliable and efficient solution.

Safety First

When it comes to electrical systems, safety should always be the priority. The 1500-volt disconnect switches are engineered to handle high dc voltages safely, while offering high current withstand capacity, making them suitable in protection scheme coordination. With their robust construction and advanced insulation materials, these switches can ensure safe power evacuation and transfer in solar farms and energy storage systems.

Flexibility and Versatility

One of the standout features of 1500-volt disconnect switches is their versatility. They come in various jumper connection configurations for grounded and ungrounded systems. In addition, they offer a variety of accessories, providing flexibility for different applications.

Easy Operation and Maintenance

Gone are the days of struggling with complex electrical systems. The 1500-volt disconnect switches are designed with user-friendly features, making operation and maintenance a breeze. From intuitive controls to clear visual indicators, these switches can simplify the process of isolating and reconnecting power, saving both time and effort.


In production settings, downtime can be costly. That’s why reliability is key when it comes to electrical components. The 1500-volt disconnect switches are built to last, with high-quality materials that can withstand harsh environmental conditions. Their robust design ensures uninterrupted power flow, minimizing the risk of unexpected shutdowns and maximizing productivity.


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