Solar PV & ESS DC Disconnect Switch Supply – North Carolina Installers

ValuAdd delivers industrial-grade DC disconnect switches engineered specifically for North Carolina's growing solar and energy storage installations. Our UL 98B certified INOSYS and SIRCO switches provide reliable, code-compliant isolation for photovoltaic arrays and battery energy storage systems. With breaking capacities up to 750 VDC per pole, visible contact verification, and arc fault containment technology, we supply the critical safety components North Carolina solar installers trust for residential, commercial, and utility-scale projects.

Industrial DC disconnect switch for solar PV and energy storage systems

Our DC Disconnect Switch Solutions

Comprehensive UL 98B certified disconnect switches engineered for solar PV arrays and battery energy storage systems across North Carolina.

INOSYS LBS UL 98B Disconnect Switches

Multi-polar DC disconnect switches with 750 VDC breaking capacity per pole, visible contacts with arc fault containment, and direct position indication. Available up to 1500 VDC, current ratings 10A-1200A, designed for DC-PV2 utilization category with harsh environment testing.

SIRCO MOT DC ESS Switches

Heavy-duty disconnect switches rated up to 1500 VDC and 2000A with motorized remote operation capability. Features patented high-breaking capacity technology, rapid arc extinguishing, and environmental rating for salt spray, high temperature, and humidity conditions.

SIRCO UL 98C Power Circuit Protection

Double-breaking per pole design for 800 VAC safety isolation with current ratings 400A-1000A. Glass fiber reinforced polyester construction, visual position indicators, and versatile connection options supporting up to 6 x 185 mm² capacity.

RMS Modular Fuse Holders

UL 4248-1 certified fuse holders with 100 kA breaking capacity and IP2X safety protection. Available in 50A and 100A ratings, 45-mm modular format with built-in fuse melting indicators and simultaneous multipolar breaking capability.

Installation Accessories & Mounting

Complete range of busbar supports, cable management solutions, and mounting bases. Features short circuit tested reliability, UV-resistant construction, and tool-free installation options for streamlined solar PV and ESS system assembly.

Technical Support & Component Selection

Expert engineering assistance for proper disconnect switch sizing, configuration selection, and compliance verification. Territory-based technical support ensuring correct component specification for North Carolina solar and energy storage projects.

Safety-Critical Components

Engineered for North Carolina's Solar & ESS Infrastructure

North Carolina's rapid solar adoption demands disconnect switches that meet stringent UL 98B standards while withstanding the state's humidity, temperature fluctuations, and coastal salt spray conditions. ValuAdd supplies INOSYS and SIRCO disconnect switches specifically tested for harsh environmental exposure, ensuring reliable isolation and arc fault protection throughout the system lifecycle. Our solutions support North Carolina's commitment to renewable energy with components that installers can specify with confidence, backed by comprehensive technical documentation and territory-based engineering support for code compliance and proper application.

Solar PV disconnect switch installation on commercial rooftop system
Proven Performance

Trusted by Industry Leaders

Industrial manufacturing and system integrators rely on ValuAdd for critical electrical infrastructure components.

"The quality of American Electrical components through ValuAdd has been outstanding. Their technical datasheets and multilingual support make specification easy."

Sarah Patterson

"ValuAdd provided excellent guidance on selecting the right ROG sensor diameter for our busbar configuration. The integration with our DIRIS meters was seamless."

Sarah Rodriguez

"ValuAdd's deep knowledge of electrical components and their manufacturer relationships have been invaluable for our panel building projects. They consistently deliver the right solutions."

Mike Johnson

"The quality of American Electrical components through ValuAdd has been outstanding. Their technical datasheets and multilingual support make specification easy."

Sarah Patterson

"ValuAdd provided excellent guidance on selecting the right ROG sensor diameter for our busbar configuration. The integration with our DIRIS meters was seamless."

Sarah Rodriguez

"ValuAdd's deep knowledge of electrical components and their manufacturer relationships have been invaluable for our panel building projects. They consistently deliver the right solutions."

Mike Johnson

"The quality of American Electrical components through ValuAdd has been outstanding. Their technical datasheets and multilingual support make specification easy."

Sarah Patterson

"ValuAdd provided excellent guidance on selecting the right ROG sensor diameter for our busbar configuration. The integration with our DIRIS meters was seamless."

Sarah Rodriguez

"ValuAdd's deep knowledge of electrical components and their manufacturer relationships have been invaluable for our panel building projects. They consistently deliver the right solutions."

Mike Johnson
The ValuAdd Advantage

Why North Carolina Solar Installers Choose ValuAdd

We deliver the technical expertise and certified components that ensure safe, compliant solar PV and energy storage installations.

UL 98B Certified

All DC disconnect switches meet rigorous UL 98B standards, ensuring code compliance for North Carolina solar installations and inspector approval.

Harsh Environment Tested

Products validated for North Carolina's coastal humidity, salt spray, and temperature extremes—from -40°F to 122°F operation with no derating.

Territory-Based Support

Dedicated engineering assistance for component selection, configuration, and technical questions specific to North Carolina electrical codes and project requirements.

Fast Delivery

Efficient shipping and logistics ensure critical disconnect switches and accessories arrive when your installation schedule demands them.

Expert Technical Team

Experienced engineers dedicated to your project success.

Michael Johnson, Plant Engineer at ValuAdd

Michael Johnson

Plant Engineer, Industrial Manufacturing

Michael Johnson brings extensive experience in machinery protection and reducing unexpected downtime across demanding manufacturing facilities. His deep understanding of electrical isolation requirements and safety systems makes him an invaluable resource for solar installers navigating complex DC disconnect switch specifications. Michael has worked on numerous large-scale industrial projects where equipment reliability and code compliance are non-negotiable. He specializes in helping system integrators and installers select the right disconnect switches for their specific voltage, current, and environmental requirements. Michael's hands-on approach to technical support ensures that every component recommendation is backed by real-world application knowledge and proven performance data. His expertise extends to troubleshooting installation challenges and providing guidance on best practices for harsh environment applications, making him a trusted advisor for North Carolina solar professionals seeking reliable, compliant solutions for photovoltaic and energy storage systems.

Sarah Rodriguez, Electrical Engineer at ValuAdd

Sarah Rodriguez

Electrical Engineer, System Integrator

Sarah Rodriguez specializes in the selection and implementation of critical electrical components for industrial control systems, with particular expertise in soft starters and disconnect switches for demanding applications. Her engineering background enables her to navigate complex electrical specifications and translate them into practical, code-compliant solutions for solar PV and energy storage installations. Sarah works closely with electrical contractors and system integrators across North Carolina, providing technical guidance on proper disconnect switch sizing, arc fault protection requirements, and UL 98B compliance verification. She has successfully supported numerous utility-scale solar projects where safety-critical components must perform flawlessly under harsh environmental conditions. Sarah's systematic approach to component selection ensures that installers receive not just products, but complete technical solutions backed by comprehensive documentation and application notes. Her ability to bridge the gap between product specifications and real-world installation requirements makes her an essential partner for North Carolina solar professionals pursuing reliable, inspector-approved electrical infrastructure.

Frequently Asked Questions

What DC voltage ratings are available for solar PV disconnect switches?

ValuAdd supplies DC disconnect switches with voltage ratings up to 1500 VDC (with options up to 2000 VDC), suitable for residential, commercial, and utility-scale solar installations. Our INOSYS LBS switches offer 750 VDC breaking capacity per pole, while SIRCO MOT DC ESS models handle up to 1500 VDC with 2000A current ratings. All products are UL 98B certified and comply with DC-PV2 utilization category requirements for photovoltaic applications.

Are these disconnect switches suitable for North Carolina's climate conditions?

What safety features are included in these DC disconnect switches?

Do these products meet North Carolina electrical code requirements?

What current ratings are available for solar installations?

How quickly can I receive DC disconnect switches for my project?

What technical support is available for component selection?

Can these disconnect switches be used with battery energy storage systems?

Need Help Selecting the Right Disconnect Switch?

Our technical team provides expert guidance on component selection, sizing, and code compliance for your solar PV or ESS project.

Get Technical Specifications & Pricing

Submit your project requirements and our engineering team will provide detailed component recommendations, technical documentation, and pricing for your North Carolina solar or energy storage installation.

Contact Us Today

For immediate assistance, feel free to give us a direct call at You can also send us a quick email at