TopWorx T-Series switchboxes offer unparalleled value by delivering comprehensive functionality within sleek, compact, direct-mount enclosures, making them a stellar choice for efficient and reliable operations.
Boasting a diverse array of position sensors, integral solenoid valves, and advanced bus networks, the T-Series is expertly crafted to be perfectly suited for all hazardous areas, fully backed by robust IECEx, ATEX, and UL certifications.

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 part of the distinguished Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, stands as a beacon of industry excellence.
Founded with a commitment to distinction in the bustling metropolis of Shanghai in 2013, this esteemed company is a prestigious member of the renowned Hanshan Intelligent Technology Co., Ltd. group.
Our visionary founding team is composed of seasoned experts from premier international automation firms, collectively boasting over 20 years of mastery in the automation industry and engineering. Furthermore, we offer more than a decade of specialized expertise in consulting and implementing cutting-edge digital solutions. Our unwavering dedication is to deliver superior automation and digitization products and services to our esteemed global clientele, all from our dynamic headquarters in the vibrant city of Shanghai, China.
With an impressive legacy of over two decades of profound industry expertise, our company has astutely honed its specialization within the petrochemical sector. We possess a sophisticated understanding of the intricate automation and digitalization needs spanning upstream, midstream, and downstream enterprises. Our forte lies in crafting bespoke professional products and solutions, enriched with unparalleled automation and digitalization capabilities. Additionally, we provide a comprehensive suite of life cycle services to a diverse array of industries including petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.






Important Inquiries You May Have
How can I ensure I select the ideal product for my needs?
A: Upon receiving your inquiry, we will provide you with an extensive technical document. This invaluable resource will enable you to meticulously evaluate the detailed process parameters and technical specifications essential to your requirements. Based on your unique needs, we will recommend the most fitting model specifically tailored for you.
I am interested in a confirmed model. Can you facilitate this?
A: Absolutely. Upon receipt of your specified model, we will initially assess its suitability. If necessary, we will offer additional optimization suggestions for enhanced cost-effectiveness. Once confirmed, we will proceed with providing a formal quotation to advance the process.