DC CIRCUIT BREAKER MANUFACTURER
Typically used to protect photovoltaic power generation systems that work on DC currents, SUNTREE line of DC circuit breakers are cost-effective and
high-quality solutions for your brand.

Our qualified team of experts, backed by 16 years of industry experience, understands what the market needs, and manufactures modular circuit
breakers based on your specifications. Expect fast and efficient production with our certified facility that houses many automated production lines,
churning out 200,000+ pieces annually. Place your bulk order today and take advantage of our amazing wholesale prices that are better than the competition.
OUR PRODUCT OFFERINGS
DC CIRCUIT BREAKER TESTING CENTER
SUNTREE has professional testing equipment to ensure the reliability of the products
Miniature circuit breaker electrical life
Test the electrical service life of miniature circuit breakers, requiring all < 125A products to reach 2000 times Testing standard: According to the order quantity, it is tested according to the QAL class I 0.65 Test products: circuit breaker
Molded case circuit breaker mechanical life
Test the mechanical life of all molded case circuit breakers, requiring ≤250A/10000 times 400/630A 4000 times 800A 1000 timesTesting standard: According to the order quantity, it is tested according to the QAL class I 0.65
High and low temperature test
Test the extreme operating environment of the product, requiring the product to operate normally at an ambient temperature of -20°C~70°CTesting standard: According to the order quantity, it is tested according to the QAL class I 0.65 Test products: DC circuit breakers, DC surge protectors, DC fuses and other full range of products
Glow wire flame test bench
Test plastic parts products, such as PA66, PA46, PBT, DMC, etc., the flame retardant materials for 960 ℃ 30 seconds burn test, requiring that when the plastic parts are separated from the product, the product flame to be extinguished within 30, and no burning materials fall.Testing standard:According to the order quantity, it is tested according to the QAL class I 0.65
BRINGING YOUR BRAND TO THE NEXT LEVEL
Working with our team not only increases your profit but also creates an indelible mark in your market.
hookSmall MOQ
Our low order quantity requirements help you order the exact amounts that your brand needs.
hookIn-House Manufacturing
Improved quality and coordination through effective in-house manufacturing standards, resulting in exceptional circuit breakers.
hookWholesale Discounts
Purchasing DC circuit breakers wholesale reduces production costs, giving your budget more freedom to move.
hookTimely Response
Fast and comprehensive response from our support team addresses your concerns within 12 hours.
hookInnovative Products
Drive for innovation pushes our team to create new and fresh DC circuit breakers for your market.
hook16 Years of Expertise
With 16 years of exposure in the industry, our team manufactures high-quality and fully-functioning DC circuit breakers.

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