Technical FAQs 4

What is a solar isolator?

These devices are designed to isolate the electrical current from the solar array, allowing for safe maintenance and repair. At Tradezone, we offer a wide range of high-quality Solar Isolators from reputable brands such as CBI Heinemann, Gen3 Industrial Switchgear, NHP, PGK Distribution, and ZJ BENY.

What breaker do I need for a transformer isolating inverter?

For transformer isolating inverters you will need a DC breaker or isolator that is double pole (breaks negative and positive simultaneously) and is rated to break 1.25 x the Short Circuit Current (Isc) rating of the solar PV array AND 1.2 x the Open Circuit voltage (Voc) of the array. For transformerless, see ‘4’ below.

What are the different types of solar isolators?

Our range of Solar Isolators includes DC isolators, AC isolators, and weatherproof isolator switches. We also offer a range of accessories, including MC4 connectors and busbars. With a range of options available, you can find the perfect Solar Isolator for your needs.

Where can I buy high-quality solar isolators?

At Tradezone, we offer a wide range of high-quality Solar Isolators from reputable brands such as CBI Heinemann, Gen3 Industrial Switchgear, NHP, PGK Distribution, and ZJ BENY. By shopping with Tradezone, you can experience the benefits of fast shipping, competitive pricing, and exceptional customer service.

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Brief Guide to Selecting Breakers and

For transformer isolating inverters you will need a DC breaker or isolator that is double pole (breaks negative and positive simultaneously) and is rated

PV DC Circuit Breakers

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For transformer isolating inverters you will need a DC breaker or isolator that is double pole (breaks negative and positive simultaneously) and is rated to break 1.25 x the Short Circuit

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