Uncompromising Quality, Unbeatable Cost

UL489 Miniature Circuit Breaker Manufacturer

Elevate Your Electric Projects with Our UL489 (UL-US-2342759-0) Circuit Breakers That Deliver Maximum Reliability Without Breaking the Bank.

UL 489 Miniature Circuit Breaker HCUB1 60 25 r
ul certified logo

UL489 Certified Quality

UL 489 Listed Circuit Breakers for North American Markets

High Breaking capacity

Breaking capacity up to 22 kA
Rated Currents up to 70A
Rated voltage up to 1000Vdc

No Nuisance Tripping

Great primary branch protection and fast short-circuit interrupt to ensure your electrical safety

Easy Installation and Maintenance

Space and Time Saving Mount with Din 35mm & back-fixing auxiliary contact

Check Our UL489 MCB/MCCB Series

UL AC Thermal Magnetic Miniature Circuit Breaker

  • Rated current: 5-60A
  • Rated voltage: AC120/240
  • Terminal: BB/QC

UL Photovoltaic DC Hydraulic MCB

  • Rated Current: AC 0.5-125A, DC 0.5-400A
  • Maximum Voltage: 250Vac, 80Vdc
  • Rated Voltage: 250V, 500v, 750v, 1000Vdc

UL Thermal Magnetic AC Specialty Equipment Circuit Breaker

  • Rated current: 10-200A
  • Ratage Voltage: 277Vac/480Vac

UL PV DC Molded-Case Circuit Breaker

  • Rated Current: 100, 125, 140, 160, 180, 200, 225, 250A
  • Ratage Voltage: 1000Vdc

Leverage Our 20 Years of Electrical Expertise for Your Unparalleled Reliability

Benefit from nearly two decades of electrical proficiency as you invest in products synonymous with reliability and performance.
Our seasoned team's extensive technical knowledge in electrical systems serves to elevate the safety and efficacy of your projects.


Years Industry Experience


Countries & Areas


Happy Customers

Enhance Quality and Cost-Effectiveness

Unlock the true potential of your electronic component manufacturing with our state-of-the-art Production Management System. Seamlessly integrating innovation and precision, our system empowers your operations for peak efficiency, seamless coordination, and unmatched quality control.

UL489 Miniature circuit Braker Manufacturer Factory 5
UL489 Miniature circuit Braker Manufacturer Lab

Unleash Safety, Satisfaction, and Support

At HIITIO, beyond exceptional UL489 Circuit Breakers, we deliver a comprehensive service package, guaranteeing your satisfaction, safety, and ongoing support. Choose us for a holistic solution that sets a new standard.

Not Sure Which One Fits Your Needs?

Contact us to get the solution perfectly aligned with your project

With a wide range of models to choose from, finding the perfect UL489 MCB can a challenge. Don’t worry – we’re here to help! Our experienced electrical experts will guide you towards the right choice that aligns perfectly with your needs!

Customized Solution for Your Project

Special Pricing for Proactive Inquiries

Full Access to Detailed Product Specifications

Free Sample to Quickly Start Test Process

Join Our Growing List of Satisfied Clients

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Years' OEM & ODM Experience


Production Lines


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Customer Satisfaction Rate

Collaborate with us to Create a Distinct Impact !

Our unwavering dedication revolves around delivering comprehensive services that propel your business toward success

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Zhejiang HIITIO New Energy Co., Ltd

Head Office

Hiitio specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.


No. 1125, Zhixing Road, Qiaonan Development Zone, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Province, China 311215

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  • 19

    Years of experience


    Countries & Areas

    500 +



    ㎡ Manufacturing Factory