TopWorx T-Series switchboxes represent unparalleled value, offering a complete suite of functionalities within a sleek, compact, direct-mount enclosure, ensuring all your operational needs are met with efficiency.
Engineered with a diverse range of position sensors, integral solenoid valves, and bus networks, the T-Series is meticulously designed for comprehensive compatibility across all hazardous zones, boasting prestigious 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., a proud beacon of the Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. family, stands as a hallmark of industry excellence.
Founded with great distinction in the bustling city of Shanghai in 2013, we are an esteemed affiliate of the renowned Hanshan Intelligent Technology Co., Ltd. group.
Our pioneering team is comprised of seasoned experts, originating from top-tier international automation companies and boasting over 20 years of collective experience; we combine our vast engineering acumen and over a decade's expertise in consulting and implementing cutting-edge digital solutions, committed to delivering premium automation and digitization products and services to a global audience, right from our headquarters in the dynamic hub of Shanghai, China.
With a rich legacy spanning over two decades, Cold Valley has perfected its prowess in the petrochemical arena, possessing a deep and intuitive understanding of automation and digitalization demands throughout every facet of upstream, midstream, and downstream enterprises. We specialize in crafting state-of-the-art professional products and solutions, infused with the latest in automation and digitalization, while offering expansive life cycle services to diverse 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: When we receive your inquiry, we provide an extensive technical document, designed to empower you with a thorough examination of all detailed process parameters and necessary technical specifications. From your distinct requirements, we will recommend the most suitable model, expertly tailored to your specific needs.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once we receive your specified model, we conduct a meticulous verification of its suitability. If needed, we provide further optimization suggestions to ensure cost-effectiveness. Upon confirmation, we will proceed with a formal quotation.