Why Choose the Rittal SZ2899.320 Stepped Collar for Cable Entry?
The Rittal SZ2899.320 is a practical stepped collar cable entry accessory designed for secure and careful cable routing through enclosure walls with a thickness range of 15–45 mm. As part of the Rittal SZ enclosure accessory range, it provides a reliable cable entry solution for industrial enclosures while helping maintain enclosure protection.
Designed for M32 cable entry holes, the SZ2899.320 provides a neat and protected transition point for cables entering electrical cabinets and control enclosures. The stepped collar design allows use across different wall thicknesses, helping simplify installation where flexible cable entry arrangements are required.
With an IP54 protection rating, the Rittal SZ2899.320 supports dependable operation in industrial environments by helping protect cable entry areas against dust and water splashing when correctly installed.
Key Advantages
Original Rittal cable entry accessory for industrial enclosure applications.
Suitable for wall thicknesses from 15–45 mm.
M32 hole compatibility for larger cable entry requirements.
Stepped collar design enables flexible mounting across different enclosure wall depths.
Provides a clean and professional cable entry solution.
Key Features
Rittal SZ enclosure accessory series.
Stepped collar design for careful cable entry.
M32 mounting hole size.
Suitable wall thickness range: 15–45 mm.
IP54 rated protection.
Designed for electrical enclosure and control cabinet installations.
Supports reliable cable routing in industrial applications.
Secure Cable Entry for Industrial Enclosures
Professional cable management is essential for maintaining the protection and reliability of industrial electrical enclosures. The Rittal SZ2899.320 stepped collar provides a controlled entry point for cables while helping maintain enclosure integrity and a professional installation finish.
The wide wall thickness compatibility allows this accessory to be used across a range of enclosure designs, providing panel builders and engineers with a dependable method for routing cables through cabinet walls while supporting IP54 protection requirements.
Typical Applications
Industrial electrical enclosure cable entry.
Control cabinet wiring systems.
Automation and machine building equipment.
Electrical distribution cabinets.
OEM control panel manufacturing.
Industrial equipment cable routing.
Technical Specifications
Manufacturer
Rittal
Series
SZ Enclosure Accessories
Model
SZ2899.320
Product type
Stepped collar cable entry accessory
Hole size
M32
Suitable wall thickness
15–45 mm
Protection rating
IP54
Application
Careful cable entry through enclosure walls
Mounting type
Enclosure wall installation
Frequently Asked Questions
What is the Rittal SZ2899.320 used for?
The Rittal SZ2899.320 is used as a stepped collar accessory for controlled cable entry through industrial enclosure walls.
What hole size is required for the SZ2899.320?
The Rittal SZ2899.320 is designed for an M32 cable entry hole.
What wall thickness can the stepped collar accommodate?
The SZ2899.320 is suitable for enclosure wall thicknesses from 15–45 mm.
What protection rating does this accessory provide?
The Rittal SZ2899.320 provides an IP54 protection rating when correctly installed.
Where is this cable entry accessory installed?
The accessory is installed in electrical enclosures and control cabinets to provide a neat and protected cable entry point.
Trusted by Electrical Panel Builders Worldwide
Rittal enclosure accessories are widely used by engineers, system integrators and control panel manufacturers to create secure, reliable and professionally assembled industrial installations.
Manufacturer
Rittal
Series
SZ Enclosure Accessories
Model
SZ2899.320
Product type
Stepped collar cable entry accessory
Hole size
M32
Suitable wall thickness
15–45 mm
Protection rating
IP54
Application
Careful cable entry through enclosure walls
Mounting type
Enclosure wall installation
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...