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Zero Outage. Zero Fire Risk.
Full-Link Protection

Professional manufacturer of high-voltage DC contactors, hydraulic magnetic circuit breakers, and miniature circuit breakers for new energy, EV, energy storage, and industrial automation.

-40℃ ~ +85℃
Zero derating, zero nuisance trips
3ms
Ultra-fast cut-off
0.5A–50A
Wide-range adjustment
Explore Products
CHINEHOW Factory

About CHINEHOW

Zhejiang Chinehow Technology Co., Ltd., founded in 2003, is a professional enterprise specializing in the research, development, and manufacturing of circuit protection and connection products.

With over 217 employees, including 28 experienced R&D engineers, we occupy a production area of approximately 40,000㎡. Our global offices ensure localized service and customization to meet client needs across regions.

25+
Years Industry Expertise
98
Electrical R&D Engineers
960
Global Workforce
40,000㎡
Production Area

Our Core Values

💡

Sci-Tech Innovation

Driving breakthroughs in circuit protection with cutting-edge R&D and engineering excellence.

🤝

Sharing

Collaborating globally to deliver shared value and sustainable energy solutions.

❤️

Heart-Stirring

Committed to safety, reliability, and customer trust in every product we build.

Our Products

CHC6 Series High Voltage DC Contactor

CHC6 Series

High-voltage DC contactor with ceramic sealing. Ideal for EV and energy storage systems requiring ultra-fast response and high reliability.

  • • Voltage: Up to 1500VDC
  • • Current: 100A
  • • Sealed ceramic construction
  • • 3ms ultra-fast cut-off
CHC-100DCB-AC

CHC-100DCB-AC

Dual-purpose DC/AC contactor for hybrid systems. Designed for seamless integration in complex power architectures.

  • • Dual DC/AC capability
  • • 100A rated current
  • • Compact DIN rail mount
  • • -40℃ to +85℃ operation
CHC-500DCE-CAC

CHC-500DCE-CAC

High-capacity contactor for main distribution and industrial applications. Ensures zero interruption under extreme loads.

  • • 500A continuous current
  • • 1500VDC max
  • • Hermetically sealed
  • • Zero derating design
CVP-SM Hydraulic Magnetic Breaker

CVP-SM Series

Hydraulic-magnetic miniature circuit breaker with precise trip characteristics. No thermal drift, ideal for sensitive electronics.

  • • 0.5A–50A adjustable
  • • Hydraulic-magnetic actuation
  • • -40℃ to +85℃ stable
  • • 3ms short-circuit response

CVP-BM Series

Robust hydraulic-magnetic breaker for industrial automation and servo systems. Millisecond-accurate protection.

  • • 1A–63A range
  • • Vibration-resistant design
  • • DIN rail mountable
  • • Zero nuisance tripping

CHM3 Series MCCB

Miniature molded-case circuit breaker for compact power distribution. High breaking capacity in small footprint.

  • • Up to 125A
  • • 6kA breaking capacity
  • • IEC 60947-2 compliant
  • • Tool-free connection

CRS1 Series Isolated Switch

DIN rail or panel-mounted isolated switch for safe disconnection in PV and energy storage systems.

  • • 63A–125A ratings
  • • Visible break contact
  • • Lockable handle
  • • IP20 protection

CVP-CHB1 IEC MCB

Miniature circuit breaker compliant with IEC standards. Used in global distribution panels and control cabinets.

  • • B, C, D curves available
  • • 6kA interrupting capacity
  • • 1–63A range
  • • Fire-retardant housing

THERMAL PROTECTORS

Precision thermal cut-offs for motors, transformers, and power electronics. Prevents overheating damage.

  • • 50℃–150℃ trip range
  • • Auto or manual reset
  • • Compact design
  • • High cycle life

IEC/NEMA Sockets

Industrial-grade power inlet and outlet solutions. Safe, reliable connections for equipment and charging stations.

  • • IEC 60320 & NEMA compliant
  • • 10A–32A ratings
  • • IP44 and IP67 options
  • • Flame-retardant materials

Key Applications

🚗

New-Energy Vehicles

End-to-end protection from motor to battery pack. Ensures zero fire risk in e-propulsion systems.

⚡

Rapid Charging

Final electrical safety gate for ultra-high-voltage, zero-downtime charging stations.

🔋

Energy Storage

Source-grid-load-storage integrated protection. Prevents thermal runaway and short circuits.

💻

Chip Protection

Ultra-reliable, zero-flicker power distribution for semiconductor manufacturing.

🤖

Intelligent Automation

Millisecond-accurate protection for robots, servo drives, and CNC systems.

🌐

Industrial Power

From end branches to main distribution, full-link protection with zero expansion anxiety.

Support & Services

❓

FAQ

Find answers to common technical and installation questions.

📥

Download

Access product datasheets, catalogs, and compliance certificates.

🎥

Video

Watch installation guides, product demos, and safety tutorials.

🔧

After-Sale Service

Dedicated support for troubleshooting, warranty, and field assistance.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to contact CHINEHOW directly.

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