Solar DC Isolator Switch Manufacturer & Supplier

Premium IP66 waterproof DC isolator switches for PV safety. Up to 1500V DC rating, ultra-fast 3ms switching time, and globally certified for residential and industrial solar installations.

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Our DC Isolator Switch Series

Reliable Disconnection Solutions for Maximum Solar Safety

ST-IS32 Enclosed DC Isolator

ST-IS32 (Enclosed)

Max Voltage1000V/1200V DC
Current Range16A - 32A
WaterproofIP66 / IP67
Switching Time< 3ms
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ST-IS40 High Current Isolator

ST-IS40 (High Current)

Max Voltage1200V DC
Current Range40A - 50A
Poles2P / 4P
CertificationTUV / SAA
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ST-IS DIN Rail Mount Isolator

ST-IS (DIN Rail)

Max Voltage1000V DC
MountingDIN Rail / Panel
CurrentUp to 32A
HandleLockable
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ST-IS1500 Utility Scale Isolator

ST-IS1500 (Utility)

Max Voltage1500V DC
ApplicationUtility Solar
RatingHigh Breaking
StandardIEC 60947-3
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Core Technical Advantages

Engineered for Instant Disconnection and Long-Term Reliability

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Ultra-Fast Switching

Patented spring-driven mechanism ensures a switching time of less than 3ms, effectively suppressing DC arcs for maximum safety.

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IP66 Waterproofing

Designed for the harshest outdoor environments, our enclosed isolators feature an IP66/IP67 rating with UV-resistant materials.

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Lockable Safety Handle

The ergonomically designed handle can be locked in the 'OFF' position, preventing unauthorized operation during system maintenance.

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Superior Contact Design

Utilizes self-cleaning silver-plated contacts to ensure low resistance and long-term durability, even after thousands of operations.

Global Application Scenarios

Essential Safety Disconnection for Every PV Installation

Rooftop PV Installation

Residential Rooftop Systems

Commercial Solar Site

Commercial & Industrial Sites

Utility Solar Farm

Utility-Scale Solar Farms

Manufacturing Excellence & Quality Assurance

ShineTong is a specialized DC isolator switch manufacturer with over 15 years of industry experience. Our factory features state-of-the-art automated testing labs for arc-extinguishing verification.

We perform 100% functional testing, including waterproof validation and contact resistance measurement. As your reliable partner in international solar safety, we provide full OEM/ODM factory support for global distributors.

TUV Certificate CE Certificate SAA Certificate RoHS Certificate
ShineTong DC Isolator Factory

Frequently Asked Questions

Expert Insights into Solar DC Safety Disconnection

What is the purpose of a DC isolator switch? +
A DC isolator switch is used to manually disconnect the DC power from solar panels before it reaches the inverter. This is critical for safe maintenance, repair, and emergency shutdown.
Are ShineTong isolators compliant with Australian standards? +
Yes. Our DC isolator switches are fully SAA certified and comply with the latest AS/NZS 60947.3:2018 standards, making them ideal for the Australian market.
What is the advantage of an IP66 enclosure? +
An IP66 rating ensures that the switch is completely dust-tight and protected against powerful water jets. This allows for reliable outdoor installation in all weather conditions.
Do you support private labeling for wholesale orders? +
Absolutely. As a leading manufacturer, we provide comprehensive OEM services, including custom laser marking, handle color customization, and specialized packaging.

Request a Professional DC Isolator Proposal & Price List

Contact our expert sales team for wholesale pricing, factory lead times, and technical support for your PV safety requirements.

Address: High-Tech Industrial Zone, Zhejiang, China

Email: safety@shinetong.com

WhatsApp: +86 158 8888 8888