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China industrial plug manufacturer switch socket
China junction box manufactuer
Solar DC Connector DC isolated Switch Solar combiner box Inverter
Frequency-inverter motor protector waterproof electric
Smart home Alarm system security
tuya smart sensor gas wifi door window
Welcome to Shenzhen Posher Electric Co.,LTD

——Electrical Enclosure Manufacturers

      Founded in 2006, Bsumwell is a leading manufacturer of industrial waterproof electrical products, with its headquarters and factory located in Wenzhou, Zhejiang—known as "China's Electrical Capital. Our global sales division in Shenzhen leverages the logistical advantages of the Yangtze and Pearl River Deltas, ensuring efficient supply chain access via nearby ports in Wenzhou, Ningbo, and Shenzhen.

Get Your Free Sample and Factory Offer​​​​​​​​​​​​​​​​​​​​​
Hot Products
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  • Metal cable glands
    Metal cable glands
    Model PG normal type and PG-L longer type M normal type and M-L longer type Name Nylon cable gland Material Nylon+NBR Color Black/Grey/ODM temperature -40 to 100℃
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  • Waterproof metal pushbutton & indicator
    Waterproof metal pushbutton & indicator
    Max. Current: 20mA Max. Voltage: 220V
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  • EL Series Bus bar Support Insulators Dmc/Smc Standoff Busbar Insulator Low Voltage
    EL Series Bus bar Support Insulators Dmc/Smc Standoff Busbar Insulator Low Voltage
    Support Busbar Insulator bar Insulator busbar Terminal Insulator
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  • Low Voltage Insulators High Performance Insulation Materials & Elements
    Low Voltage Insulators High Performance Insulation Materials & Elements
    BSUMWELL SMC/BMC Low Voltage Busbar Insulators - High-Performance Electrical Supports
    Discover BSUMWELL’s low voltage insulators, crafted from SMC/BMC materials for superior electrical insulation. These busbar insulators feature brass/steel inserts, offering high hardness and corrosion resistance, with no fracture at low temperatures or deformation at high temperatures. Ideal for electrical distribution systems, they support busbar connections in low-voltage cabinets, frequency converters, and distribution boxes. Certified CE/ROHS, the insulators ensure reliable performance in high-strength, heat-resistant applications. Whether for commercial power setups or industrial equipment, these high-performance insulators combine durability with easy installation. Explore OEM options for customized solutions in low-voltage electrical systems.
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  • Power Distribution Box Heavy-Duty SUS304 Outdoor Waterproof Box Design
    Power Distribution Box Heavy-Duty SUS304 Outdoor Waterproof Box Design
    Unlock reliable outdoor power management with Bsumwell's SUS304 stainless steel distribution box! Built with 0.8mm thick corrosion-resistant steel and IP30 waterproof rating, this wall-mounted solution offers rugged durability for harsh environments. Choose from 12+ sizes, support custom circuit configurations, and rely on CCC-certified safety. Perfect for construction sites, generators, industrial setups, and residential outdoor use.
     
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  • IP67 Waterproof Plastic Junction Box - 150x150x90mm Outdoor Electrical Enclosure
    IP67 Waterproof Plastic Junction Box - 150x150x90mm Outdoor Electrical Enclosure
    Our IP67-rated plastic junction box is built for outdoor durability, featuring an ABS shell for corrosion resistance and flame retardancy. With dimensions of 150x150x90mm, this weatherproof enclosure includes abundant accessories like NPT cable glands, stainless steel brackets, and a pre-installed mounting plate. RoHS certified, it ensures safe, reliable protection for outdoor electrical connections in harsh environments.
     
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  • Customizable 3-Circuit Solar PV Combiner Box with Lightning Protection & IP63 Rating
    Customizable 3-Circuit Solar PV Combiner Box with Lightning Protection & IP63 Rating
    Our Customizable Solar PV Combiner Box is designed for reliable solar energy management, featuring 3 circuits and 1-row switches for efficient power integration. With a rugged 201/304 stainless steel shell (IP63 rating) and wall-mounted installation, it ensures protection against dust and water while supporting outdoor/indoor use. Ideal for commercial and residential solar systems, the 750800200mm (2.0mm thickness) design offers robust performance. Fully customizable to your specifications—contact us for a tailored quote!
     
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  • Outdoor Solar Energy Pv Combiner Box Circuit Breaker Up To 1000v Shallow Electrical Box Outdoor
    Outdoor Solar Energy Pv Combiner Box Circuit Breaker Up To 1000v Shallow Electrical Box Outdoor
    BSUMWELL 1000V IP65 Solar PV Combiner Box with Circuit Breaker - Outdoor Electrical Solution
    Discover BSUMWELL’s Solar PV Combiner Box, a robust solution for outdoor solar energy systems. This 1000V-rated box features IP65 waterproofing, dustproofing, and UV resistance, ideal for connecting solar panel arrays. Equipped with circuit breakers, surge protection, and DC fuses, it safely combines multiple strings of PV panels into a unified output. The ABS/PC construction ensures durability, while cable glands and MC4 terminals enable easy wiring. Perfect for solar power stations, home setups, or photovoltaic irrigation projects, this solar array combiner box simplifies power distribution. Explore OEM/ODM options for customized solutions in renewable energy systems.
     
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1way white yellow color empty Switch 12mm Push Button Switch power Switch push button switch box
1 Way White Yellow Color Empty Switch 12mm Switch Power Push Button Switch with Box
Wholesale stainless steel metal chassis case sheet metal fabrication waterproof electric box sheet metal housing / Outdoor weak current engineering or cctv stainless steel box and waterproof electrical box and junction box / 304 Stainless Steel Electrical Enclosures Waterproof Metal Junction Box IP65 Rated Corrosion-Resistant Highly Durable / empty push button switch box
 
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Smart Matter Automatic Smart Wifi App Control Tuya Gas Motor Valve Water Level Controller Valve
Smart Matter Automatic Smart Wifi App Control Tuya Gas Motor Valve Water Level Controller Valve
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Copper Busbar Insulators Epoxy Resin Insulating Busbar Low Voltage Epoxy Resin Stand off Insulator Sensor Eco-friendly
Low Voltage Insulators High Performance Insulation Materials & Elements
BSUMWELL SMC/BMC Low Voltage Busbar Insulators - High-Performance Electrical Supports
Discover BSUMWELL’s low voltage insulators, crafted from SMC/BMC materials for superior electrical insulation. These busbar insulators feature brass/steel inserts, offering high hardness and corrosion resistance, with no fracture at low temperatures or deformation at high temperatures. Ideal for electrical distribution systems, they support busbar connections in low-voltage cabinets, frequency converters, and distribution boxes. Certified CE/ROHS, the insulators ensure reliable performance in high-strength, heat-resistant applications. Whether for commercial power setups or industrial equipment, these high-performance insulators combine durability with easy installation. Explore OEM options for customized solutions in low-voltage electrical systems.
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Underground Junction Box box electrical outdoor
Custom Underground Outdoor IP68 ABS Plastic PC Project Electrical Junction Box Instrument Enclosures
Custom Underground Outdoor IP68 ABS/PC Electrical Junction Box for Waterproof Enclosures
This custom underground outdoor junction box features IP68 waterproof rating, ideal for protecting electrical connections in harsh environments. Made of durable ABS and PC materials, it ensures corrosion resistance and long-term reliability. Suitable for outdoor installations, underground wiring, and weatherproof applications, this enclosure meets strict standards for dust and water ingress. Perfect for industrial, residential, or commercial projects requiring secure, buriable electrical enclosures.
 
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Industrial WiFi circuit breaker
Bulk 3-Phase Meters Industrial-Grade WlFl Real-Time Energy Monitoring Energy Meter
DIN Rail Energy Meters DDS238-4 WIFI(D3415) Smart Zigbee Energy Meter
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Grey dustproof power distribution box
IP66 Waterproof Grey Lockable Electrical Enclosure with Hinged Door for Outdoor Use
300*200*170 IP66 waterproof lockable grey/clear junction box enclosure distribution box
 
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Single-Phase WiFi Energy Meter – DIN Rail Smart Meter with Remote Monitoring & Real-Time Data
Wholesale Single-Phase WiFi Meters High-Accuracy kWh Meters with Alexa/Google Compatible
Global Certifications Factory Direct DDS238-1 WIFI (D1104) Smart WiFi Energy Meter
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battery box and solar panel
Outdoor Solar Energy Pv Combiner Box Circuit Breaker Up To 1000v Shallow Electrical Box Outdoor
BSUMWELL 1000V IP65 Solar PV Combiner Box with Circuit Breaker - Outdoor Electrical Solution
Discover BSUMWELL’s Solar PV Combiner Box, a robust solution for outdoor solar energy systems. This 1000V-rated box features IP65 waterproofing, dustproofing, and UV resistance, ideal for connecting solar panel arrays. Equipped with circuit breakers, surge protection, and DC fuses, it safely combines multiple strings of PV panels into a unified output. The ABS/PC construction ensures durability, while cable glands and MC4 terminals enable easy wiring. Perfect for solar power stations, home setups, or photovoltaic irrigation projects, this solar array combiner box simplifies power distribution. Explore OEM/ODM options for customized solutions in renewable energy systems.
 
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Electrical electric waterproof ABS Box Plastic Box power distribution box exterior plug box
Electrical electric waterproof ABS Box Plastic Box power distribution box
BSUMWELL IP65 Waterproof ABS Plastic Electrical Distribution Box - Durable Power Solution
Discover BSUMWELL’s waterproof plastic electrical distribution box, engineered with an IP65 rating to protect against dust and water jets. Constructed from high-quality ABS plastic, this durable enclosure resists impacts, extreme temperatures, and corrosion, making it ideal for outdoor, industrial, and construction site applications. It features pre-drilled routing holes, a removable mounting plate, and a hinged cover with PU foaming seal for easy wiring organization. Whether managing power for permanent installations, temporary projects, or outdoor lighting systems, this versatile distribution box ensures secure cable management and reliable performance. Its standardized design fits common electrical setups, while the robust build withstands harsh environments—perfect for commercial, residential, or industrial power distribution needs.
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Aluminum Surface Electronic Power Enclosure Manufacturer IP65 Watertight Junction Box
Weather Resistant Box Aluminum Electronic Power Enclosure Junction Box
This die-cast aluminum junction box offers IP65 waterproof protection, ideal for outdoor electrical installations. Crafted from corrosion-resistant aluminum, it withstands harsh weather, dust, and impacts, suitable for power transmission, industrial machinery, and outdoor equipment. The enclosure features a gray anodized surface for scratch resistance and supports customizations like silk screening, hole punching, and laser engraving. With quick 3-7 day delivery, it balances durability and flexibility for commercial, residential, and industrial projects.
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waterproof junction box
PS-AL Series IP66 Waterproof Custom Electronics Enclosure Armoured Cable External Junction Box
Color and material：Grey Aluminum/Black or ODM aluminum weatherproof project box. Product performance：Moisture-proof & waterproof
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1P(2P,3P,4P) 16A/32A/64A/80A/100A Smart WiFi Circuit Breaker IoT Air Switch Overload Short Circuit Surge Protection Work with Smart Life Alexa
1P(2P,3P,4P) 16A/32A/64A/80A/100A Smart WiFi Circuit Breaker IoT Air Switch Overload Short Circuit Surge Protection Work with Smart Life Alexa
Standard-compliant:GB 10963.1;IEC60898-1
Rated voltage :AC 230V 1P 2P AC 400V 3P 4P Rated frequency:50Hz Number of poles:1P、2P、3P、4P Class of pollution:Level 2 Class of protection:IP20
Installation Category: Ⅱ Ⅲ
Specified used temperature:-25℃～+65℃
 
Rated current in shell leve:125A
Rated current:32A 40A 63A 80A 100A 125A
Instantaneous tripping from:C
Rated short circuit breaking capacity: 6kA
Rated impluse withstand voltage:6kV
Mechanical life: More than 10,000 times
Electrical life: More than 10,000 times Control mode:Working mode/Pairing mode
Packing indluded: 1*circuit breaker 1*Instruction manual
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Terminal For Ground Connection grounding Earthing connecting Terminal Plate
Uk6N Terminal For Ground Connection Grounding Earthing Terminales Agree With The 2C Series
Grounding Wire Terminal Block Earth Terminal Block Ground Terminal Block
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High accuracy WiFi energy meter
Low Power Loss Bidirectional Smart Meters Zigbee Smart Energy Meter 15-yr Data Storage
Smart Meter Supplier DDS238-2 Zigbee(D1212) Smart Zigbee Energy Meter
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High-Quality Customizable Stainless Steel Distribution Box - IP66 Waterproof Outdoor Cabinet
High-Quality Customizable Stainless Steel Distribution Box - IP66 Waterproof Outdoor Cabinet
Hot Sale IP66 Stainless Steel Outdoor Electrical Junction Box - Custom Waterproof Enclosure
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switch box manufacturer
PVC Distribution Box Inground Electrical Junction Box Waterproof Cover Supplier 56E1 56E2 56E3 56E4 56E6 56E8 56E9 56ES1 56ES2 outdoor Industrial sealed waterproof installation box
One & Two module enclusure cover Code 56E1 56E2 56E3 56E4 56E6 56E8 56E9 56ES1 56ES2 outdoor Industrial sealed waterproof installation box Factory wholesale
 
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PS-AL Series IP66 aluminum junction box square enclosure outdoor electrical box outlet
PS-AL Series IP66 aluminum junction box square enclosure outdoor electrical box outlet
Color and material：Grey Aluminum/Black or ODM aluminum weatherproof project box. Product performance：Moisture-proof & waterproof
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2/3/4-Gang UK Electrical Socket
3-Gang 13A Socket with 1-Circuit Breaker - UKCA Certified, Ideal for Irrigation Systems
Designed for UK households, the 3-gang model includes a 1-circuit breaker for independent control. UV-resistant PC housing and stainless steel screws ensure corrosion resistance, making it suitable for coastal gardens and commercial shop signage.
 
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10A/16A RCD 5-Pin Socket
RCD Socket UK 13A 30mA Protection IP66 Waterproof BS 1363 Certified Outdoor Use
IP66-rated wall panels designed for UK markets, featuring 13A sockets with built-in 30mA RCD (BS 1363 compliant). Ideal for gardens, outdoor lighting, and commercial signage, these panels offer IP66 protection against rain and dust. Constructed with UV-resistant PC material and stainless steel screws, they meet BS 7671 electrical safety standards. Suitable for both residential and light industrial applications.
 
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Commercial 5-Pin USB Socket Outdoor 5-Pin USB Panel
USB Fast Charging Wall Panel - German/UK/French Plug, IP66 Waterproof, Commercial-Grade
Commercial-grade panels with USB QC 3.0 fast charging (18W) and heavy-duty sockets (16A for Germany, 13A for UK). Built with anti-corrosion nickel-plated contacts and stainless steel screws, these IP66 panels withstand industrial environments. VDE-certified for Germany, BS 1363 for UK, and NFC 61-314 for France. Perfect for hotels, co-working spaces, and factory breakout areas.
 
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About Us
Smart Manufacturing & Quality Assurance
  • Our Wenzhou factory is equipped with fully automated injection molding lines, high-precision potting equipment, and intelligent testing systems, achieving an annual production capacity of over 5 million units. We invest 5% of annual revenue in technological innovation, holding 12 patents for waterproof structural designs.​​​​​​​
  • From raw material injection to final product testing, a team of 300+ skilled workers and professional R&D engineers strictly controls every process, ensuring our core products—including waterproof junction enclosures and waterproof sockets—meet international standards such as IP66/IP68, CE, UL, and ROHS.​​​​​​​
  • As a one-stop provider, Bsumwell offers OEM/ODM custom and sample services with 25-day production. We provides 24/7 support for 50+ countries, serving 3,000+ industrial customers and 200+ overseas brands. Products apply to outdoor lighting, new energy and industrial control, with mature networks in Southeast Asia, Europe, and North America.

HOT PRODUCTS

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DC1000V 4in 1out PV Array Photovoltatic Solar Combiner Box
Weather Protected Waterproof Wall Socket
MCB Panel Board Electrical Distribution Box.jpg
Waterproof Plastic Cable Junction Box With Terminals
Zigbee 120 US White 1 234Gang/2Way Smart Wifi Touch Light Switch
Wireless Google Home Hvac Thermostat
China waterproof wall socket manufacture
China distribution box factory
China industrial socket manufactuer
WHY CHOOSE US
Our Collaboration Promise – 3 Stress-Free Policies for Easy Partnership
  • No MOQ + Free Sample Trial
  • 48H Shipping & Transparent Custom
  • Full-Proof Risk Protection
Professional Certification of Good Quality
We always look forward to your continuous support and inspection!
  • BSUMWELL 56SW332 SAA Certificate.jpg
  • certificate of conformity.jpg
  • certificate of compliance.jpg
  • certificate of origin.jpg
  • CE certificate Quality.jpg
  • 56SW310 SAA Certificate.jpg
  • 56SW320 SAA Certificate.jpg
  • 56SW232 SAA Certificate.jpg
Custom Order Process
01
Initial Consultation
Discuss your needs and project specifications with us.
02
Design Proposal
We create a custom design based on your requirements.
03
Quotation
Receive a detailed quote covering costs and timelines.
04
Order Confirmation
Confirm the order and approve the design, signs the contract.
05
Production Phase
We manufacture the product with strict quality control and testing.
06
Shipping​​​​​​​
Arrange delivery on time after product production is completed.
01 Initial Consultation - Discuss your needs and project specifications with us.
02 Design Proposal - We create a custom design based on your requirements.
03 Quotation - Receive a detailed quote covering costs and timelines.
04 Order Confirmation - Confirm the order and approve the design, signs the contract.
05 Production Phase - We manufacture the product with strict quality control and testing.
06 Shipping - Arrange delivery on time after product production is completed.
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Address: 
A430, Gaosheng Building, 18 Center Road, Xinqiao Street, Baoan, Shenzhen, China
Tel：+86 755-23576797 
 
Mobile/Wechat/WhatsApp: 
Vivi+86 18924592799
 
E-mail: 
sales@bsumwell.com
vic@bsumwell.com
lucy@bsumwell.com
vivi@bsumwell.com
 

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Address: 
A430, Gaosheng Building, 18 Center Road, Xinqiao Street, Baoan, Shenzhen, China
Tel：+86 755-23576797 
Mobile/ WhatsApp/ Wechat: 
Lucy+86 18927440949; Vivi+86 18924592799; Vicky+86 19925258045
E-mail: 
vic@bsumwell.com; lucy@bsumwell.com; vivi@bsumwell.com
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