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Air Circuit Breaker
Industry type:Productivity and energy
Product model number:BA4000-UN/BWA4000-U
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Shihlin Electric is an active promoter in Taiwan's energy transition to the 20-30-50 power generation goal and a non-nuclear homestead policy in 2025. The BA-4000UN/BWA4000-UN is the latest showcase of the company's effort in the ACB line to the green energy industry. The ACB is self-developed and manufactured by Shihlin Electric in Taiwan and can achieve rated voltage of AC1140V. The ACB aims at the standard AC800V switchboard market of the solar photovoltaic system.

Features of product:
1. Leading the industry in Taiwan to launch 4000AF, AC1140V ACB for the renewable energy market
2. Breaking capacity: 40kA/AC1140V
3. Vertical or horizontal wiring applicable; ease for connecting to the busbar
4. Materials and substances complied with RoHS directive & REACH to avoid human body damage and secondary pollution of the environment
5. Certificate: TUV, Energy Bureau of Taiwan approved


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Shihlin Electric, founded in 1955, is a leading electric manufacturer in Taiwan. The company comprises four main businesses:

Automobile Equipment
Shihlin established excellent manufacturing and customizing capabilities through strategic alliances with major Japanese enterprises for automobile equipment; EV components and charging piles are the latest additions.

Heavy Electric
Shihlin is an essential provider of power transmission equipment in Taiwan. Furthermore, the company is also a national award-winning electrical system integrator.

Breaker & Switchgear
Shihlin is the best low-voltage breaker and switchgear supplier in Taiwan. Recent products include breakers for renewable power generation/storage systems and EV charging piles.

Factory Automation and Integration Service
Shihlin's FA products cover inverters, servo motors, and sensors. Our automation integration service plays a pivotal role in the industrial upgrading in Taiwan.



Shihlin Electric, since 1955, is always a cornerstone in Taiwan's electrical manufacturing industry. With a solid foundation of excellence in automobile equipment, heavy electric, breaker & switchgear, and factory automation, Shihlin Electric enters a new era of sustainable development by implementing green supply chains, green manufacturing process, and Launched a series of green products. Shihlin Electric has introduced the charging pile for two-wheel and four-wheel EVs and will expand the services to charging station operation. Furthermore, in the field of renewable energy, Shihlin Electric has achieved success in solar/wind power generation and storage in the domestic market. It also aims to become the best EPC company in Taiwan. Looking to the future, Shihlin Electric will respond to Taiwan's industrial upgrading with our motto "Changes for the Better. Create the Future" in mind, marching toward the world market and contributing to the sustainable future of Taiwan.

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