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Reliable Industrial
Electrical Solutions

ZHEJIANG JOHNN ELECTRICAL CO.,LTD. is a leading Chinese manufacturer of industrial plug & socket, distribution boxes, junction boxes, isolator switches, and solar accessories. With certifications including ISO9001, ISO14001, CE, TUV, and CB, we deliver high-quality, innovative electrical components trusted worldwide.

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About JOHNN

ZHEJIANG JOHNN ELECTRICAL CO.,LTD. is engaged in the production of industrial plug & socket, distribution box, junction box, isolator switch, and electrical accessories. We operate under trusted brands such as JESIRO and JEVIS, and are recognized as one of the largest and most high-end manufacturers of electrical products in China.

JOHNN holds relevant patent certificates and has passed international management system certifications: ISO9001 (Quality), ISO14001 (Environmental), and ISO45001 (Occupational Health & Safety). Our products are certified with CE, ROHS, TUV, and CB, ensuring compliance with global standards.

  • Advanced R&D and skilled production team
  • State-of-the-art production lines and high-tech equipment
  • OEM and ODM orders welcome
Factory or Product Image

Our Products

Explore our wide range of industrial electrical components designed for durability, safety, and performance in demanding environments.

SHPN-36WAYS Distribution Box

SHPN-36WAYS

High-capacity solar distribution box with excellent UV resistance

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HA-12WAYS Distribution Box

HA-12WAYS

Compact and reliable distribution box for industrial applications

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EDSC100R-EL32R Plug

EDSC100R-EL32R

Industrial plug with short jumper, ideal for heavy-duty use

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DIN Rail Isolator Switch

DIN Rail Type Isolator

Reliable switching solution for control panels and enclosures

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IP66 Mini Isolator

IP66 Mini Isolator

Weatherproof isolator switch with high protection rating

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ZH607518 Junction Box

ZH607518

Aluminum junction box with superior heat dissipation

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JNOP2 Waterproof Switch

JNOP2

GWP series waterproof switch for outdoor applications

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JNOP3 Waterproof Switch

JNOP3

High-performance waterproof switch with mechanical interlock

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Applications

Our products are engineered for diverse industrial and renewable energy environments.

PV Power Stations

SHPN distribution boxes, MC4 connectors, and DC isolators for solar farms and rooftop installations.

Monitoring Systems

Waterproof junction boxes and enclosures for CCTV and security equipment.

Heat Pumps

Robust electrical enclosures and connection solutions for HVAC systems.

Camps & Farms

Portable socket boxes and weatherproof switches for temporary power setups.

Our Services

Pre-Sale Support

Our customer service team provides expert product knowledge and guides you to the best solution for your application.

On-Sale Assistance

We offer technical consultation for sales personnel and end-users, confirming requirements and delivering tailored solutions.

After-Sale Service

If any quality issues arise, we provide prompt support and replacement—because we stand by our products.

Need Custom Solutions?

JOHNN offers full customization for socket boxes, junction boxes, and enclosures—even single-unit orders. Tell us your specifications, and we’ll engineer the perfect solution.

Request Custom Quote

Get in Touch

For inquiries, quotes, or technical support, reach out through the official website.

+86-18105771210
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