Why Choose the IMO COMBI308/LEER Black Junction Box?
The IMO COMBI308/LEER is a compact and reliable black junction box designed for professional electrical installation applications where secure cable connections and environmental protection are required. This industrial enclosure solution provides a practical housing option for wiring junctions in automation, control and general electrical systems.
Featuring a durable polypropylene housing with a sealed design, the COMBI308/LEER provides reliable protection for internal connections. The enclosure includes 8 × 20 mm threaded membrane entries, allowing straightforward cable routing and installation without requiring additional drilling for standard entry points.
With compact dimensions of 85 mm × 85 mm × 51 mm, an IP66/IP67 protection rating and black finish, the IMO COMBI308/LEER is suitable for indoor and outdoor electrical applications where dependable junction protection is required.
Key Advantages
Compact junction box solution for electrical installation applications.
IP66/IP67 protection helps protect internal connections from dust and moisture.
Includes 8 × 20 mm threaded cable entries for flexible installation.
Durable polypropylene construction suitable for demanding environments.
Black finish provides a professional appearance for visible installations.
Quick and simple installation with integrated mounting features.
Key Features
IMO COMBI junction box series.
Model: COMBI308/LEER.
Product type: Junction box.
Colour: Black.
Material: Polypropylene.
Protection rating: IP66/IP67.
Dimensions: 85 mm × 85 mm × 51 mm.
Cable entries: 8 × 20 mm threaded membrane entries.
Voltage rating: 400 V.
Suitable for general electrical and industrial wiring applications.
Reliable Protection for Electrical Connections
Junction boxes provide essential protection for electrical connections by enclosing wiring points and helping maintain safe, organised installations. The IMO COMBI308/LEER combines a compact design with strong environmental protection, making it suitable for a wide range of electrical connection requirements.
Designed for installers, electricians and industrial engineers, this junction box supports efficient cable management and dependable operation in automation, lighting and general electrical systems.
Typical Applications
Industrial electrical installations.
Automation and control systems.
Lighting and power connection points.
Machine wiring applications.
Outdoor electrical junctions.
General cable management installations.
Technical Specifications
Manufacturer
IMO
Series
COMBI Junction Boxes
Model
COMBI308/LEER
Product type
Junction box
Material
Polypropylene
Colour
Black
Protection rating
IP66/IP67
Dimensions (L × W × H)
85 × 85 × 51 mm
Cable entry type
20 mm threaded membrane entries
Number of entries
8
Operating temperature range
-30 °C to +100 °C
Glow wire test
750 °C
Rated voltage
400 V
Frequently Asked Questions
What is the IMO COMBI308/LEER used for?
The IMO COMBI308/LEER is a junction box used to protect and organise electrical cable connections in industrial and general electrical installations.
What protection rating does the COMBI308/LEER provide?
The junction box provides an IP66/IP67 protection rating when installed using the appropriate cable entry configuration.
What are the dimensions of the COMBI308/LEER?
The IMO COMBI308/LEER measures 85 mm × 85 mm × 51 mm.
How many cable entries does this junction box have?
The COMBI308/LEER includes 8 × 20 mm threaded membrane entries for cable installation.
What material is the COMBI308/LEER made from?
The enclosure is manufactured from polypropylene for durability and reliable protection.
Trusted by Electrical Installers Worldwide
IMO electrical components are trusted by installers and engineers worldwide for reliable performance, practical installation and dependable industrial solutions.
Manufacturer
IMO
Series
COMBI Junction Boxes
Model
COMBI308/LEER
Product type
Junction box
Material
Polypropylene
Colour
Black
Protection rating
IP66/IP67
Dimensions (L × W × H)
85 × 85 × 51 mm
Cable entry type
20 mm threaded membrane entries
Number of entries
8
Operating temperature range
-30 °C to +100 °C
Glow wire test
750 °C
Rated voltage
400 V
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
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.
What product ranges do you supply
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...