Experience unparalleled value with TopWorx T-Series switchboxes, engineered to deliver complete functionality within sleek, compact direct-mount enclosures, maximizing space without compromising on performance.
T-Series switchboxes offer versatility with an array of position sensors, integrated solenoid valves, and advanced bus networks. Ideal for all hazardous areas, they proudly hold IECEx, ATEX, and UL certifications, ensuring robust compliance and safety.

Direct-Mount Stainless Steel
Flameproof/Intrinsically Safe/
Explosion Proof /Non-Incendive
Class I Div 1 & 2
Class II Div 1 & 2
Ex ia IIC T6/T4/T3
Ex d IIB or IIC T6/T4
Tamb -65°C to 100°C
Ex tb IIIC T135C
Tamb -50°C to 100°C
II2GD, IP66/67, Type 4X
Direct-Mount Aluminum
Flameproof/Intrinsically Safe/Explosion Proof /Non-Incendive
Class I Div 1 & 2
Class II Div 1 & 2
Ex ia IIC T6/T4/T3
Ex d IIB or IIC T6/T4
Tamb -65°C to 100°C
Ex tb IIIC T135C
Tamb -50°C to 100°C
II2GD, IP66/67, Type 4X
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd., part of the esteemed Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, stands as a beacon of industry excellence, setting unparalleled benchmarks in technology and service.
With its prestigious foundation in Shanghai in 2013, Cold Valley has swiftly garnered recognition as a valued member of the Hanshan Intelligent Technology Co., Ltd. group, marking a significant presence in the industry.
Our pioneering founding team is composed of veteran professionals from top-tier international automation companies. Boasting a collective experience of over 20 years in the fields of automation and engineering, and more than 10 years in consulting and implementing digital solutions, our experts are dedicated to providing unparalleled automation and digitization products and services to a global clientele, all from our dynamic hub in Shanghai, China.
Leveraging over two decades of in-depth industry experience, Cold Valley has finely tuned its expertise in the petrochemical sector. Our profound grasp of the automation and digitalization needs across upstream, midstream, and downstream enterprises enables us to design sophisticated professional products and solutions. We enrich these offerings with automation and digitalization while providing extensive life cycle services to industries including petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals, ensuring excellence and innovation at every turn.






Frequently Asked Questions
How do I select the right product?
A: Upon receiving your inquiry, we will provide you with an in-depth technical document. This comprehensive guide empowers you to meticulously analyze the detailed process parameters and technical specifications crucial for your needs. Based on your distinct requirements, we will recommend the most suitable model, expertly curated to meet your specific demands.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once we receive your specified model, we will meticulously verify its appropriateness. If needed, we will offer further optimization suggestions to enhance cost-effectiveness. Upon confirmation, we will proceed with a formal quotation, ensuring clarity and value.