Flex Protect Strain Relief Bushings - STRB279R

Flex Protect Strain Relief Bushings – 19 - 19.8mm Mounting Hole Diameter – 9.1mm Min to 10.9mm Max Cable Diameter – 66mm Length | Vital Parts – STRB279R

Flex Protect Strain Relief Bushings are part of the original Heyco range and serve as a cost-effective alternative to the Lockit versions. Manufactured from UL94V-2 rated Nylon 6/6, these bushings feature a spring-like flexible arm that allows the cable to bend without sharp kinks, helping to protect against stress, fatigue and pull-out. They are designed to insulate and secure cables while improving product longevity across electrical assemblies.

What are Flex Protect Strain Relief Bushings?

Flex Protect Bushings are panel-mounted cable supports designed to manage bend radius while preventing cables from being dislodged. Their flexible arm ensures a smooth cable bend while still anchoring the wire in place. These bushings are compatible with Round cable types and can be installed into a panel hole using pliers. Ideal for electrical enclosures, consumer electronics or industrial equipment, they offer reliable strain relief and cable guidance.

Key Features:

• Manufactured from UL94V-2 rated Nylon 6/6
• Flexible spring-like design supports cable bends
• Insulates and absorbs push/pull forces on wiring
• Push-fit mounting into pre-drilled panel holes
• Available for Round cable profiles

Key Applications and Industries

• Consumer electronics and appliance power leads
• Electrical enclosures requiring controlled cable exits
• Machinery and control panel strain relief
• Flexible routing points in cable assemblies
• Alternative to snap-in Lockit strain relief options

Technical Specifications :

• Mounting Hole Diameter: 19 - 19.8mm
• Prevent Rotation: 16.8mm
• Panel Thickness: 3.2mm
• Min Cable Diameter: 9.1mm
• Max Cable Diameter: 10.9mm
• Total Length: 66mm
• Material: Nylon 6/6 (UL94V-2 rated)
• Temperature resistance: -18°C to +105°C
• Mounting style: Push-fit into panel hole
• Fitment types: Round cable types

Certifications:

• UL Recognised – File E15331
• Certified by CSA – File 8919
• Passes CSA's 50,000 cycle vacuum cleaner strain relief test (C22.2 No 67)

Installation Notes:

These bushings are installed using pliers for secure placement within a panel hole. Choose part numbers ending in “R” for round cable fitment or “F” for flat cable fitment. Assembly pliers are available separately in our tooling section.

Why Choose Vital Parts?

• UK-based supplier with fast dispatch and expert support
• Bulk discounts and trade pricing for larger orders
• Full range of strain relief bushings for all cable types

If you need assistance selecting the right size or would like to discuss custom options , contact our expert team at 01233 713581.

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