Discover the brilliance of TopWorx T-Series switchboxes, which offer exceptional value by seamlessly integrating comprehensive functionality within their compact, direct-mount enclosures. These switchboxes are expertly crafted to withstand the demands of the process industry, ensuring peak performance in every application.
The versatile T-Series is engineered to excel in any hazardous area, offering a selection of position sensors, integral solenoid valves, and bus networks. It is backed by prestigious IECEx, ATEX, and UL certifications, confirming its readiness for use in challenging environments.

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., a distinguished member of the Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, epitomizes the pinnacle of industry innovation and excellence.
Established with honor in 2013 in the vibrant city of Shanghai, the company is a revered entity within the Hanshan Intelligent Technology Co., Ltd. group, known for its commitment to excellence.
Our team of founders consists of seasoned experts from leading international automation firms, boasting a collective wealth of over 20 years in the automation field and engineering. Complementing this is more than a decade of consulting and digital solutions implementation expertise, ensuring we deliver world-class automation and digitization products and services to a global audience, all from our dynamic headquarters in Shanghai, China.
With more than two decades of in-depth industry prowess, our company has cultivated a profound expertise in the petrochemical domain. We possess an intricate understanding of automation and digitalization needs across upstream, midstream, and downstream sectors. Our specialization lies in offering professional products and solutions that integrate automation and digitalization, along with delivering comprehensive life cycle services to a diverse range of industries such as petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.






You may have these questions
How do I select the right product?
A: Upon receiving your inquiry, we will equip you with a detailed technical document. This invaluable resource will enable you to scrutinize the intricate process parameters and essential technical specifications. Based on your unique criteria, we will recommend the most suitable model precisely tailored to meet your needs.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once we receive your specified model, we will conduct an initial suitability verification. If needed, we will offer further optimization suggestions to enhance cost efficiency. Upon confirmation, we will proceed with a formal quotation to ensure your complete satisfaction.