The TopWorx T-Series switchboxes are the epitome of exceptional value, seamlessly integrating full functionality within compact, direct-mount enclosures that redefine efficiency.
Equipped with an extensive array of position sensors, integral solenoid valves, and advanced bus networks, the T-Series is designed for optimal performance in all hazardous areas, proudly bearing IECEx, ATEX, and UL certifications for unparalleled safety and reliability.

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., proudly a distinguished member of the Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, stands as a beacon of industry excellence;
Since its prestigious establishment in Shanghai in 2013, the company has been an esteemed affiliate of Hanshan Intelligent Technology Co., Ltd. group;
Our founding team is comprised of veteran professionals from leading international automation companies; they collectively boast over 20 years of comprehensive experience in the automation industry and engineering; paired with more than a decade of specialized expertise in consulting and implementing cutting-edge digital solutions; committed to providing top-tier automation and digitization products and services to our global clientele; with our headquarters nestled in the dynamic metropolis of Shanghai, China;
Backed by over two decades of extensive industry experience, the company has finely honed its proficiency in the petrochemical sector; holding a deep understanding of the automation and digitalization needs across upstream, midstream, and downstream enterprises; we excel in crafting sophisticated and professional products and solutions, enriched with advanced automation and digitalization, while also delivering comprehensive life cycle services to a wide array of industries including petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.






Frequently Asked Questions
How do I select the ideal product for my needs?
A: Upon receiving your inquiry, we will provide you with an extensive and detailed technical document. This invaluable resource will allow you to thoroughly evaluate the detailed process parameters and technical specifications that are crucial. Based on your specific requirements, we will recommend the most suitable model that is meticulously tailored just for you.
I would like to confirm a model. Can you facilitate that?
A: Absolutely. Upon receipt of your specified model, we will first verify its appropriateness. If necessary, we will offer additional optimization suggestions for enhanced cost-effectiveness. Once confirmed, we will proceed with a formal quotation to ensure complete satisfaction.