Product Overview

At Wilmall, our waterproof cable glands deliver high-performance sealing and reliable strain relief for your electrical connections. Designed to protect critical wiring, these cable fittings ensure long-lasting durability in demanding environments.

The Core Promise: Reliable Sealing and Strain Relief

Our cable glands provide robust sealing that prevents moisture, dust, and contaminants from entering your electrical enclosures. With integrated strain relief, they reduce mechanical stress on cables, protecting internal conductors and extending service life.

Ingress Protection Ratings: IP68 and IP67 Explained

Wilmall waterproof cable glands meet strict IP ratings to guarantee protection against water and dust:

• IP67: Dust-tight and protected against temporary immersion up to 1 meter depth for 30 minutes.
• IP68: Dust-tight and designed for continuous submersion in water beyond 1 meter, ideal for harsh underwater applications.

These ratings ensure your electrical systems maintain integrity even in extreme wet or dusty conditions.

Design Features: Sealing Ring and O-Ring Technology

Our glands incorporate advanced sealing ring and O-ring solutions that provide a vibration-proof lock for cable entries. This hermetic seal not only blocks moisture ingress but also prevents loosening caused by machinery vibrations, delivering secure cable fixation under heavy-duty industrial operation.

Wilmall cable glands combine superior waterproof integrity with mechanical strength to safeguard your cables in every application.

Technical Specifications of Waterproof Cable Glands

Understanding the technical specs of waterproof cable glands helps you pick the right weatherproof cable entry for your needs. Here’s a quick breakdown:

Thread Standards

We offer three common thread types to fit different setups:

Clamping Range

Our cable glands accommodate cable diameters from very thin to thick, ensuring firm strain relief without damage:

• Minimum Cable Diameter: 3mm
• Maximum Cable Diameter: Up to 40mm (varies by model)

Temperature Rating

• Static Temperature: -40°C to +100°C – for cables with minimal movement
• Dynamic Temperature: -20°C to +70°C – for cables under frequent bending or vibration

Flammability Rating

• Nylon (Polyamide PA66) cable glands meet UL94 V-2 standard, providing reliable flame retardance and safety in electrical enclosures.

This spectrum of technical options makes sure you get a sealed, secure connection with proper strain relief connector properties. Choosing between Metric, PG, and NPT threads depends on regional standards and your specific enclosure or conduit setup.

For cable glands that complement your wiring system, consider connecting devices like our industrial controllers and sensors found in our Proximity Switch Sensor selection guide.

Material Variants & Durability

Waterproof cable glands come in several material options to suit different environments and budgets:

• Nylon PA66: This is a lightweight, cost-effective choice popular in general automation. It offers excellent UV resistance, making it ideal for outdoor use without cracking or degrading. Nylon cable glands provide good electrical insulation and resist many acids and alkalis.
• Nickel-Plated Brass: Known for its mechanical strength, this material adds EMI shielding and resists corrosion, especially in industrial settings. The nickel plating boosts durability and offers an attractive finish, protecting the gland in harsher environments where metal protection is needed.
• Stainless Steel (304/316): For the toughest conditions like marine or chemical exposure, stainless steel glands deliver top corrosion resistance. SS316 is preferred in highly corrosive environments such as saltwater due to its enhanced chemical stability.
• Sealing Materials: To maintain the IP68/IP67 waterproof rating, glands use O-rings made from NBR (Nitrile Butadiene Rubber) or EPDM (Ethylene Propylene Diene Monomer). Both sealing materials ensure reliable, long-term watertight sealing against moisture and dust ingress.

Choosing the right material depends on the application’s environmental demands and the need for durability or cost-efficiency. For example, nylon is great for UV-exposed automation lines, while nickel-plated brass suits machinery needing EMI protection. Stainless steel is best if corrosion resistance is critical. Make sure the sealing ring complements the gland for maximum waterproof performance.

For related electrical sealing solutions, check out our range of emergency stop safety switches, which often require reliable cable gland connections.

Sizing & Selection Guide for Waterproof Cable Glands

Choosing the right waterproof cable gland size is crucial for ensuring a secure, sealed connection. Here’s a simple guide to help you match cables with the correct gland size.

Thread Size Comparison

Cable Diameter Matching

• Measure the cable outer diameter carefully.
• Select a gland with a clamping range that fits within your cable size for a tight seal.

Selecting the correct size guarantees waterproof integrity and reliable strain relief. For specific industrial or harsh environments, you can check examples like the industrial automation M48 stainless steel cable gland for precise dimensions and fitting advice.

Always confirm the cable gland’s thread type matches your equipment’s threading standards for easy installation and a solid seal.

Industry Applications of Waterproof Cable Glands

Waterproof cable glands are essential across a wide range of industries, thanks to their ability to provide reliable sealing and strain relief under tough conditions.

Outdoor Applications

• Solar PV Systems: Protect cables in harsh sun and rain exposure, ensuring uninterrupted energy flow.
• LED Street Lighting: Maintain weatherproof cable entry points for long-lasting performance.
• Surveillance Cameras: Ensure IP68 cable connectors keep outdoor camera installations dry and secure.

Industrial Settings

• Machinery Control: Provide durable cord grips to secure electrical connections in factory environments.
• Distribution Panels: Keep cables sealed against dust and moisture for enhanced safety.
• Robotics: Utilize vibration-proof strain relief connectors to prevent loosening during constant movement.

Harsh Environments

• Marine Vessels: Stainless steel glands resist corrosion while maintaining sealing integrity in salty conditions.
• Wastewater Treatment Plants: Rubber sealing rings safeguard cable entries against water ingress and chemical exposure.

These applications highlight the versatility of nylon, nickel-plated brass, and stainless steel waterproof cable glands in demanding environments. For equipment requiring precise electrical connectivity and protection, choosing the right cable gland is crucial.

Explore related industrial solutions like proximity sensors or specialized current transformers to complement your electrical setup.

Installation Instructions for Waterproof Cable Glands

Installing a waterproof cable gland correctly ensures reliable sealing and strain relief for your electrical connections. Follow these simple steps to assemble the body, seal, and nut properly:

• Body: Insert the cable gland body into the enclosure or panel hole, ensuring the thread matches the hole size.
• Seal: Slide the integrated sealing ring or O-ring onto the gland body to create a waterproof barrier.
• Nut: Screw the locking nut onto the gland body from the inside, tightening it against the seal.

Torque Recommendations

To maintain the IP68 or IP67 waterproof rating, apply the correct torque when tightening the nut:

• Avoid over-tightening, which can damage the seal or deform the gland.
• Use a calibrated torque wrench if possible; recommended torque values vary by gland size and thread type.
• Tighten just enough to compress the O-ring fully, ensuring a vibration-proof, waterproof grip.

Proper torque preserves the cable gland’s integrity, preventing moisture ingress even under difficult conditions. For detailed size specifications and installation nuances, refer to Wilmall’s high-strength metric thread gland product page.

Certifications & Compliance

Our waterproof cable glands come with essential certifications like CE, RoHS, and UL, ensuring they meet strict safety, environmental, and quality standards. These approvals guarantee that the cable glands are reliable and safe for use in a wide variety of industries worldwide.

In addition, each product batch undergoes comprehensive IP testing reports to verify the IP68 and IP67 ratings. This rigorous testing confirms the glands provide exceptional waterproof and dust-tight sealing, essential for maintaining the integrity of your electrical enclosure seal and preventing moisture ingress.

Choosing certified Wilmall cable glands means you get durable, compliant products that offer peace of mind for your electrical connections in harsh and demanding environments. For applications requiring robust sealing solutions, our glands meet global standards and deliver consistent performance.

Precision Sealing for Harsh Environments

Wilmall waterproof cable glands are built to keep your electrical connections safe and secure, especially in tough conditions. They provide reliable strain relief and hermetic sealing, ensuring cables stay locked in place without any leaks. Thanks to the IP68 rating, our cable glands use a high-quality rubber seal and O-ring that block moisture completely—even under water pressure—making them perfect for submersible or outdoor use.

For equipment exposed to constant vibration, the ratchet-lock design stops the glands from loosening, preserving the integrity of the seal and preventing cable damage. This makes Wilmall cable glands ideal for high-vibration machinery and harsh industrial environments. You can trust these cable gland joints to deliver consistent waterproof and weatherproof cable entry.

Explore detailed installation tips in our cable gland installation guide with watertight sealing for best results.

Material Specifications of Waterproof Cable Glands

Here’s a quick guide to the main materials used in waterproof cable glands, highlighting their strengths and ideal uses:

Each material comes with sealing ring/O-ring options like NBR or EPDM to maintain IP67/IP68 waterproof performance. The right choice depends on your environment and mechanical needs.

Explore durable cable gland options by material that fit your application at Wilmall, including heavy-duty nickel-plated brass models and versatile nylon glands for industrial control use. For instance, our industrial control buttons complement robust cable fittings in tough environments.

Thread Types and Dimensions

Waterproof cable glands come in various thread types designed to fit different standards and industries. The most common are:

• Metric (M-Series): These ISO standard threads range from M12 to M63, widely used in global industrial and automation applications for a reliable electrical enclosure seal.
• PG Threads: Popular in European machinery, PG threads cover sizes PG7 up to PG48, offering a traditional German standard for cable fitting and strain relief connector needs.
• NPT Threads: Known for their tapered design, NPT threads range from 1/4″ to 2″. They are common in North American oil and gas sectors, providing robust liquid tight conduit fittings.

To select the perfect size for your cable gland installation, refer to the detailed Wilmall Dimension Table which guides hole sizes and thread compatibility, ensuring a weatherproof cable entry that keeps your electrical connections safe.

Check out our pendant control station features for safety and durability to explore how proper thread sizing contributes to secure cable management in industrial setups.

Wide Clamping Range Technology

Our waterproof cable glands feature an innovative claw design that securely grips cables across a wide diameter range without causing damage. This means whether you have thinner wires or thicker cables, the gland adapts to provide a firm hold, eliminating the risk of slipping or crushing.

Beyond just holding the cable, these glands also offer excellent strain relief. They absorb pulling forces, protecting your internal electrical connections from stress and potential failure. This makes them perfect for installations where cables face movement, tension, or vibration.

By combining wide clamping range with robust strain relief, these cable glands ensure a long-lasting, reliable seal and connection for all your outdoor and industrial applications.

Common Applications for Wilmall Waterproof Cable Glands

Wilmall waterproof cable glands are trusted across multiple industries thanks to their reliable sealing and strain relief features. In renewable energy, they’re widely used in photovoltaic inverters and combiner boxes, providing secure, weatherproof cable entries that stand up to outdoor exposure.

In telecommunications, these cable glands protect sensitive wiring inside outdoor fiber optic junction boxes, ensuring dust-tight and waterproof integrity for uninterrupted network performance. For the automotive sector, Wilmall glands are a solid choice in EV charging stations and battery management systems, where robust, vibration-resistant cable fittings are critical.

These applications benefit from Wilmall’s wide clamping range and durable materials like nylon, nickel-plated brass, and stainless steel, all designed to maintain IP67/IP68 protection. For related products, you might find the durable GLS45C heavy-duty rotary encoder useful in automation setups alongside these glands.

Installation and Maintenance of Waterproof Cable Glands

Installing Wilmall waterproof cable glands is quick and hassle-free. There’s no need for disassembly—simply push the cable through the gland body and tighten the nut to secure a firm grip and effective strain relief. This quick-mount design helps maintain the IP68 cable connector’s seal without extra effort.

Proper washer placement is essential to ensure a watertight seal. Make sure the O-ring or sealing ring sits correctly between the gland components to prevent moisture or dust ingress. This positioning is key for maintaining the cable fitting’s weatherproof cable entry properties, especially in harsh environments.

For precise guidance, always refer to the manufacturer’s torque recommendations to avoid over-tightening, which can damage the seal, or under-tightening, which risks ingress.

Explore Wilmall’s full range of high-quality M-Series Metric Thread Cable Glands for reliable, easy-to-install solutions designed for your needs.

Frequently Asked Questions (FAQ)

If you still have questions about choosing the right waterproof cable gland or need help with thread sizing, feel free to contact us anytime.