TopWorx T-Series switchboxes are engineered to deliver exceptional value, offering comprehensive functionality within sleek, compact direct-mount enclosures.
Equipped with a diverse range of position sensors, integrated solenoid valves, and bus networks, the versatile T-Series is perfect for all hazardous environments, proudly bearing IECEx, ATEX, and UL certifications.

Direct-Mount Stainless Steel Enclosures
Designed for Flameproof and Intrinsically Safe Operations
Explosion Proof and Non-Incendive Options Available
Complies with Class I Div 1 & 2 Standards
Complies with Class II Div 1 & 2 Standards
Certified for Ex ia IIC T6/T4/T3
Certified for Ex d IIB or IIC T6/T4
Operating Temperature Range: Tamb -65°C to 100°C
Ex tb IIIC T135C Compliant
Operates within Tamb -50°C to 100°C
Rated II2GD, IP66/67, and Type 4X for Enhanced Protection
Direct-Mount Aluminum Enclosures
Features Flameproof, Intrinsically Safe, Explosion Proof, and Non-Incendive Capabilities
Meets Class I Div 1 & 2 Standards
Meets Class II Div 1 & 2 Standards
Certified for Ex ia IIC T6/T4/T3 Applications
Certified for Ex d IIB or IIC T6/T4 Applications
Temperature Operating Range: Tamb -65°C to 100°C
Ex tb IIIC T135C Certified
Supports Operating Temperatures Tamb -50°C to 100°C
Rated II2GD, IP66/67, and Type 4X to Ensure Superior Protection
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd., a distinguished member of the prestigious Hanshan (Cold Mountain) Intelligent Technology Co., Ltd. group, stands as a beacon of innovation and excellence in the industry;
Established with a mission of excellence in Shanghai since 2013, the company proudly affiliates with the revered Hanshan Intelligent Technology Co., Ltd. group;
Our pioneering team consists of seasoned experts drawn from leading international automation companies, collectively bringing together over two decades of rich experience in the automation industry and engineering, complemented by more than ten years in consulting and implementing cutting-edge digital solutions. We are committed to providing unparalleled automation and digitalization products and services to our esteemed global clientele, with our headquarters nestled in the pulsating hub of Shanghai, China;
Leveraging over 20 years of profound industry experience, the company has meticulously refined its expertise in the petrochemical domain. This extensive background grants us a comprehensive understanding of the automation and digitalization requisites of upstream, midstream, and downstream enterprises. We excel in crafting bespoke professional products and solutions enriched with advanced automation and digitalization technologies. Moreover, we offer all-encompassing life cycle services to a diverse range of industries, including 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 provide you with a comprehensive technical document, empowering you to meticulously examine the detailed process parameters and essential technical specifications. In alignment with your unique requirements, we will recommend the most suitable model, perfectly tailored to your specific needs, ensuring an impeccable fit.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once we receive your specified model, we will conduct an initial verification of its suitability. If necessary, we will offer additional optimization suggestions to enhance cost-effectiveness. Upon confirmation, we will proceed with delivering a formal quotation, ensuring a seamless transition to the next phase.