浙江奔一电气有限公司

What 浙江奔一电气有限公司 does

Zhejiang Benyi Electric Co., Ltd. (浙江奔一电气有限公司), operating under the brands ZJBENY and BENY, is a Wenzhou-headquartered Chinese manufacturer founded in 2011 specializing in photovoltaic DC-side electrical protection components. Its product portfolio spans seven core lines: DC isolator switches (BYSS, BH, BDH, BB1H series), DC miniature and molded-case circuit breakers (BB1, BB2, BD, BDM series), DC surge protectors (BUD series including T1+T2 composite), DC fuses (BR, BRL series), DC contactors (BEVR series), combiner boxes (DC, AC, grid-tie, AFCI variants), and intelligent products including rapid shutdown devices and micro-inverters. The company's flagship BYSS series integrates intelligent monitoring with AI-enabled fault diagnosis, and its 2026-launched DC2000V high-voltage safety solution features second-generation self-developed arc-extinguishing chamber technology with dual-breakpoint rotating contacts achieving millisecond-level interruption for utility-scale solar and energy storage applications.

The business model is hardware sales through three channels: (1) direct OEM supply to major global PV inverter manufacturers including SMA, ABB, SolarEdge, QCELLS, SunPower, and Sungrow (deepened through Sungrow's 2023 Excellence Quality Award); (2) direct sales to large-scale PV project developers and EPC contractors for utility-scale solar deployments; and (3) an international distributor and reseller network covering 60+ countries. Pricing is quote-based rather than publicly listed, with a standard 5-year product warranty and 25-year warranty on rapid shutdown devices. The company holds over 100 PCT patent applications, reports R&D investment exceeding 20% of revenue, and operates 12 production lines across a 30,000 sqm manufacturing facility in Wenzhou's Beibaixiang industrial cluster, producing 2 million fuse units and 200,000 circuit breaker units annually. Products are certified to UL (first Chinese recipient for PV DC isolator switches in 2017), TÜV Rheinland, CB, CE, IEC, SAA, CCC, and RoHS standards, and are deployed in over 2 million project implementations across 100+ countries. The company is privately held, founder-led by Chairman Wang Renyuan (王仁远), and operates through wholly-owned subsidiaries in Zhejiang, Shanghai, Hong Kong, and additional overseas entities.

Name

浙江奔一电气有限公司

Legal name

浙江奔一新能源有限公司

Website

https://zjbeny.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

11–50 employees

Short description

ZJBENY is a Wenzhou, China-based manufacturer of photovoltaic DC electrical protection components — isolator switches, circuit breakers, surge protectors, fuses, contactors, and combiner boxes — supplying global PV inverter OEMs (SMA, ABB, SolarEdge, Sungrow) and project developers across 100+ countries with patented arc-extinguishing technology.

Ownership category

akta.pro rank

Product category

Photovoltaic DC Protection Components

NAICS

Electrical Equipment Manufacturing (3353), Electrical Equipment Manufacturing (33531), Current-Carrying Wiring Device Manufacturing (335931)

SIC

Switchgear & Switchboard Apparatus (3613), Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Solar Balance-of-System Components (Cables, Combiner Boxes, Switchgear, Transformers) (EUAMABAG)

akta.pro secondary industries

Circuit Protection Devices (MCBs, MCCBs, ACBs, fuses, RCD/GFCI, surge protection) (IMAGAEAB), TVS/ESD & Surge Protection Devices (HDAHAHAE), Solar Inverters, Power Electronics & MLPE (String/Central Inverters, Optimizers, Microinverters) (EUAMABAE)

Keywords

• DC isolator switches
• DC circuit breakers
• PV combiner boxes
• DC surge protectors
• PV DC contactors

Headquarters

HQ city

Wenzhou

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales

Revenue model

1. Photovoltaic DC Electrical Components: Manufacture and sale of PV DC electrical protection components including combiners, DC isolator switches, DC circuit breakers, DC surge protectors, DC fuses, DC contactors, and rapid shutdown devices. Products are sold to PV inverter manufacturers, project developers, and system integrators globally. One-time hardware sale model with long product lifespans and recurring replacement/service revenue.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Zhejiang Benyi Electric (ZJBENY) manufactures DC-side electrical protection components for solar photovoltaic systems. Its product portfolio spans DC isolator switches, DC miniature and molded-case circuit breakers, DC surge protective devices, DC fuses, high-voltage DC contactors, PV combiner boxes (DC, AC, grid-tie, and AFCI variants), rapid shutdown devices, and intelligent micro-inverters. The portfolio is engineered around proprietary arc-extinction technology to support DC2000V high-voltage safety in utility-scale, commercial, and residential PV installations.

Product overview

ZJBENY (浙江奔一电气有限公司) is a specialist manufacturer of DC electrical components for solar photovoltaic systems, offering a comprehensive portfolio of seven product lines: (1) DC isolator switches including the BYSS.1/BYSS.2 inverter-dedicated series, BH series for large-scale systems, BDH plastic-case series, and BB1H-63 micro isolator; (2) DC circuit breakers including BB1-63/BB1-80/BB2-40 micro breakers and BD/BDM plastic-case breakers; (3) DC surge protectors including the BUD-40/3, BUD-40/3 with remote signaling, and BUD-S1000/S1500 T1+T2 composite series; (4) DC fuses including BR-30 and BRL-30; (5) DC contactors BEVR11 and BEVR22; (6) Combiner boxes including DC, plastic DC, AC, grid-tie, and AFCI versions; and (7) Intelligent products including rapid shutdown devices and micro-inverters. The flagship BYSS series isolator switches integrate intelligent monitoring with AI fault diagnosis enabling proactive 'active defense.' ZJBENY's latest DC2000V high-voltage safety solution targets next-generation large-scale ground-mounted solar and energy storage systems, featuring second-generation arc-extinguishing technology with millisecond-level response. Products are certified to international standards including UL, CB, CE, TÜV, CCC, SAA, and RoHS. The company reports over 2 million project implementations across 100+ countries, holds 100+ PCT patents, and maintains over 20% R&D investment with 12 production lines.

Differentiator

Problem solved

Functional benefit

Products and services

• BYSS Series Inverter-Dedicated PV DC Isolator Switch (BYSS.1 and BYSS.2 series) Dedicated DC isolator switches engineered for direct integration into PV inverter products by global OEM inverter manufacturers, supporting DC2000V high-voltage operation and featuring proprietary arc extinction.
• BH Series PV DC Isolator Switch PV DC isolator switch designed for DC-side isolation in solar PV arrays, providing safe disconnection for maintenance and emergency response.
• BDH Series PV DC Molded-Case Isolator Switch Molded-case DC isolator switch designed for higher-current PV applications, providing isolation with robust arc extinction performance.
• BB1H-63 Series PV DC Micro Isolator Switch Compact micro DC isolator switch for residential and small commercial PV installations requiring DC-side isolation in space-constrained environments.
• BB1 Series PV DC Miniature Circuit Breaker (BB1-63 and BB1-80) PV DC miniature circuit breakers in 63A and 80A ratings for DC-side overcurrent protection in solar PV systems, with international safety certifications.
• BB2-40 Series PV DC Miniature Circuit Breaker PV DC miniature circuit breaker in the BB2-40 rating for DC-side overcurrent protection in solar PV systems.
• BD Series PV DC Molded-Case Circuit Breaker PV DC molded-case circuit breaker designed for higher-current DC-side overcurrent protection in utility-scale and commercial PV systems.
• BDM Series PV DC Molded-Case Circuit Breaker BDM variant molded-case DC circuit breaker for DC-side overcurrent protection in solar PV applications.
• BUD Series DC Surge Protective Devices (BUD-40/3, BUD-S1000, BUD-S1500) DC surge protective devices in standard, T1+T2 composite, and high-voltage (up to 1500V) variants for protecting PV arrays from lightning and transient overvoltage events.
• BR Series DC Fuses (BR-30 and BRL-30) DC fuses designed for PV DC-side circuit protection, available in standard and enhanced (BRL) variants.
• BEVR Series High-Voltage DC Contactors (BEVR11 and BEVR22) High-voltage DC contactors designed for switching and control of high-voltage DC circuits in PV systems, energy storage, and related applications.
• DC Combiner Box (including plastic variant) DC combiner boxes for aggregating multiple PV string inputs into a single DC output, available in metal and plastic enclosure variants for varied installation environments.
• AC Combiner Box AC combiner box for aggregating AC outputs from multiple inverters in PV systems on the AC side.
• AC Grid-Tie Box AC grid-tie box for connecting aggregated PV system outputs to the utility grid with required interface and protection.
• AFCI Combiner Box AFCI (Arc-Fault Circuit Interrupter) combiner box integrating arc-fault detection and interruption for fire safety in PV systems.
• BFS Series Rapid Shutdown Device Rapid shutdown devices designed to bring PV array voltages to safe levels within milliseconds for first-responder safety and code compliance (e.g., NEC 690.12).
• BYSS-63M Intelligent Rapid Shutdown Isolator Intelligent rapid shutdown isolator combining isolation switching, rapid shutdown functionality, and intelligent monitoring in a single integrated device.
• Intelligent Micro-Inverter Intelligent micro-inverter with module-level monitoring and control for residential and small commercial PV systems.

Quantifiable outcome

• Millisecond-level DC circuit interruption with dual-breakpoint rotary contact arc extinction technology
• +4 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature6 records

Partnerships

Eight partnerships are on record, tiered core, major and supporting.

• 阳光电源 (Sungrow)coreStrategic or Co-development Partner · 1 January 2024Long-term deep cooperation with Sungrow, a global leading clean energy solutions provider (SSE: 300274), in PV, wind power, and energy storage fields. Won Sungrow's 2023 'Excellence Quality Award' for outstanding solution and product quality contributions. Joint innovation exploration in key new energy areas with complementary advantages.
• SMA Solar TechnologycoreTechnology or IntegrationZJBENY DC isolator switches are used by SMA, one of the world's leading PV inverter manufacturers. In May 2018, ZJBENY passed SMA China's factory audit and officially became a SMA China cooperative supplier.
• ABBmajorTechnology or IntegrationABB uses ZJBENY DC electrical components in PV system deployments. Listed as a key global partner on ZJBENY's homepage.
• SolarEdgemajorTechnology or IntegrationSolarEdge uses ZJBENY DC switches for PV system protection. Listed as a key global partner on ZJBENY's homepage.
• QCELLSmajorTechnology or IntegrationQCELLS uses ZJBENY DC electrical components. Listed as a key global partner on ZJBENY's homepage.
• SUNPOWERmajorTechnology or IntegrationSUNPOWER uses ZJBENY DC electrical components. Listed as a key global partner on ZJBENY's homepage.
• 飞书 (Feishu/ByteDance)supportingTechnology or IntegrationZJBENY partnered with Feishu (ByteDance's enterprise collaboration platform) to drive internal digital transformation. The 'Efficiency Pioneer AI Innovation Competition' was co-organized using Feishu and AI tool chains (Midjourney, Deepseek, Grok) to improve business processes, data analysis, and automation management.
• 浙江大学 (Zhejiang University)supportingStrategic or Co-development PartnerZJBENY partnered with Zhejiang University for industry-academia-research cooperation on key DC system technologies, strengthening joint research in DC electrical protection for new energy systems.

Scale indicators9 records

Recent moves7 records

Expansion highlights5 records

Emerging players

• GoodWe: Leading Chinese PV inverter manufacturer with growing BOS offerings; both a potential customer for ZJBENY DC components and a competitor developing integrated protection solutions.
• Sungrow Power Supply: China's largest PV inverter manufacturer and a key ZJBENY customer (2023 Excellence Quality Award). Increasingly developing in-house DC protection components, making it both a strategic partner and a potential competitive threat.

Broad incumbents

• ABB: Global electrical equipment giant offering low- and medium-voltage switchgear, DC protection, and inverter solutions. Listed as a ZJBENY customer/partner but also competes directly in DC protection for PV systems.
• Schneider Electric: Global leader in electrical distribution and industrial automation with a broad portfolio of switchgear, circuit breakers, and DC protection products that compete with ZJBENY in utility-scale PV and energy storage projects.
• Chint Group: Major Chinese electrical equipment manufacturer with broad portfolios in switchgear, circuit breakers, and PV solutions; provides domestic competition to ZJBENY and also a comparable Chinese brand exporting globally.
• Eaton: US-headquartered power management company with extensive DC switchgear, surge protection, and PV balance-of-system offerings that overlap with ZJBENY's product portfolio in North American and European solar markets.
• Siemens: German industrial conglomerate with a Smart Infrastructure division that offers DC protection, switchgear, and PV system solutions competing for the same utility-scale and C&I project contracts as ZJBENY.

Regional players

• Hopewind Electric: Chinese manufacturer of power electronics including PV inverters and associated BOS electrical components, offering overlapping product lines with ZJBENY in C&I and utility-scale solar.
• TBEA Sunoasis: China-based manufacturer of PV inverters and BOS components including combiner boxes and DC protection products; competes with ZJBENY primarily in the Chinese and emerging-market PV segments.

Direct peers

• SMA Solar Technology: German global PV inverter leader and a confirmed ZJBENY customer (China factory audit passed 2018); comparable at the system level since SMA integrates DC protection into its inverter platforms similar to ZJBENY's standalone BOS approach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks1 record

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/%E6%B5%99%E6%B1%9F%E5%A5%94%E4%B8%80%E7%94%B5%E6%B0%94%E6%9C%89%E9%99%90%E5%85%AC%E5%8F%B8

Compliance30 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 浙江奔一电气有限公司