TST Seal :
- Fireproof
- Cable fixinAg
- Watertight
- Airtight
- Dustproof
- Noise reduction
- Vibration reduction
- Pressure resistance
- Corrosion resistance
- EMI/EMP
- Pest & rodent resistance
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TST SEAL MCT through-hole seal: stable sealing, quick installation, and easy maintenance, solving the pain points of cabinet and equipment sealing

From industrial electrical control cabinets and communication cabinets to new energy cabinets and power distribution cabinets, cabinets and enclosures serve as the core carriers of various equipment. The sealing quality of cable penetration points directly affects the operational stability, service life, and safety level of the equipment. The TST SEAL MCT cable penetration sealing system is deeply optimized for cabinet scenarios. With its core advantages of reliable sealing, hassle-free installation, and convenient maintenance, it has become a universal sealing solution for cabinets and enclosures across the entire industry.
Lightweight and compact design
Adaptable to compact cabinet layout
Cabinets and enclosures generally prioritize space utilization, placing stringent requirements on the size and weight of sealing products. The TST SEAL MCT system employs a streamlined modular structure, resulting in a compact size and lightweight design that fits snugly against the cabinet’s installation thickness without encroaching on internal components or cabling space. It perfectly adapts to the compact layout requirements of various standard cabinets, custom cabinets, and wall-mounted enclosures, balancing high-level protection with overall cabinet aesthetics without compromising the original structural design.
Flexible adaptability of openings
Installation is efficient and worry-free.
The TST SEAL MCT system can flexibly adapt to the different openings of various cabinets , supporting convenient installation without complicated construction processes or large-scale modifications to the cabinet structure. Whether it is pre-installation on new equipment or upgrading existing cabinets, it can quickly and accurately adapt, significantly shortening the assembly cycle and reducing on-site construction costs.
Full-dimensional airtight protection
Isolate from external interference
Indoor and outdoor cabinets are constantly exposed to moisture, dust, oil, and pests, which can easily lead to short circuits in internal wiring and corrosion and aging of components. The TST SEAL MCT through-sealing system has excellent airtight protection performance, effectively preventing rainwater, dust, and foreign objects from entering, keeping the cabinet environment dry and clean, eliminating safety hazards such as corrosion and leakage at the source, and allowing equipment to operate stably even in complex working conditions such as humidity and dust.
Cable management
Reduce maintenance failures
Dense and messy cables inside cabinets are prone to wear, loosening, and compression, which are frequent causes of equipment failure. The TST SEAL MCT system adopts a modular cable management design, which can orderly fix and classify cables of different specifications, and achieve high-density multi-cable arrangement in a single hole, making the cabling inside the cabinet neat and standardized; at the same time, it reduces cable shaking and wear, lowers the probability of line failure, and makes subsequent inspection and maintenance more efficient and worry-free.
Can be turned on repeatedly
Adaptable for future expansion and modification
Equipment upgrades and cable additions/removals are common occurrences in long-term operations. Traditional sealing methods are difficult to modify after installation, and dismantling and modification can easily damage the cabinet and leave security vulnerabilities. The TST SEAL MCT sealing frame supports repeated opening, allowing for rapid upgrades and expansions without damaging the original cabinet structure when adding or replacing cables. This significantly reduces the cabinet’s overall lifecycle maintenance costs and adapts to the long-term iteration needs of equipment.
Authoritative certification
Universal Compliance in All Scenarios
Relying on stringent quality control, the TST SEAL MCT perforated sealing system has passed multiple authoritative domestic and international certifications, possessing reliable fire resistance, anti-aging, and corrosion resistance properties. It can be widely used in many fields such as industrial control, communications, rail transportation, new energy, and power distribution, meeting the safety standards of different industries and helping equipment to operate in compliance with regulations and stably.
Small seals protect big safety. The TST SEAL MCT permeable sealing system focuses on the pain points of actual use of cabinets and equipment, solves industry problems with its core performance, and provides long-term and reliable sealing protection for cabinet equipment across the industry.
Free Sample | Customization Supported | Global Sales | Factory Direct Sales | Agents Welcome |Ships within 24 hours (Email:alixich@tstcables.com)
TST SEAL has obtained certifications from DNV, RS, ABS, BV, RINA, CCS, CRCC, CCC, IOS, EN, ROHS & REACH, etc.







