KOT21 series
KOT21 series is a 122MM round rear lamp with combination functions including tail, brake, and running lights. It features diffused optics for even light distribution and is approved to ECE R3, R6, R7, R23, and R38.
KOT21 series at a Glance
KOT21 series is a 122MM round rear lamp with combination functions including tail, brake, and running lights. It features diffused optics for even light distribution and is approved to ECE R3, R6, R7, R23, and R38. The lamp operates on a 10-30V voltage range and is designed for permanent mounting on vehicle rear ends. It is suitable for use in ECE markets and supports direct fitment in compliant vehicle designs.
Stated on Our Catalogue Record
- 122MM round rear lamp
- Combination functions
- ECE R3
- R6
- R7
- R23
- R38
- Diffused tail
- Running
- DI 10-30V
Key Benefits
- Diffused optics provide even light distribution without hot spots
- ECE R3 R6 R7 R23 R38 approvals allow direct fitment in ECE registered vehicles
- 10-30V operating voltage covers most vehicle electrical systems
- Combination functions reduce the number of separate lamps needed
- Rounded design fits flush with vehicle body for clean mounting
Application Scenarios
01Trucks and trailers operating in European and other ECE mark
Trucks and trailers operating in European and other ECE market countries
02Fleet vehicles requiring compliant rear lighting for roadsid
Fleet vehicles requiring compliant rear lighting for roadside safety
03Utility and municipal vehicles needing durable rear lamps fo
Utility and municipal vehicles needing durable rear lamps for night operations
04Agricultural and construction machinery with rear lighting r
Agricultural and construction machinery with rear lighting requirements
Who It Is For
- Upfitters building commercial and utility vehicles for ECE markets
- Distributors supplying rear lighting to European and international markets
- OEMs integrating compliant rear lamps into vehicle designs
- Fleet operators replacing older non-approved rear lamps
Problems It Solves
- Non-approved rear lamps cannot be registered in ECE markets and cause customs delays
- Older lamps with separate tail and brake functions increase wiring complexity
- Poorly diffused optics create uneven light patterns that reduce visibility
- Lamps not rated for 10-30V may fail under fluctuating vehicle voltage
Technical Features
01122MM round housing with flush mounting design
122MM round housing with flush mounting design
02Combination functions: tail, brake, and running lights
Combination functions: tail, brake, and running lights
03Diffused optics for wide-angle light spread
Diffused optics for wide-angle light spread
04Approved to ECE R3, R6, R7, R23, R38
Approved to ECE R3, R6, R7, R23, R38
05Operates on 10-30V electrical system
Operates on 10-30V electrical system
What Our Records State for KOT21 series
Only values documented for this model are listed. Anything not shown is confirmed in writing on request.
| Product Type | Round rear lamp with combination functions |
|---|---|
| Size | 122MM diameter |
| Optics | Diffused |
| Functions | Tail, Brake, Running |
| Approvals | ECE R3, R6, R7, R23, R38 |
| Voltage Range | 10-30V |
Materials
- Plastic housing with metal mounting base
Manufacturing Process
01LED module assembly and optical alignment
LED module assembly and optical alignment
02Housing injection molding and finishing
Housing injection molding and finishing
03Sealing and gasket installation
Sealing and gasket installation
04Final photometric and function testing before packing
Final photometric and function testing before packing
Quality Control
- Function test on every unit before packing
- Approval testing to ECE R3, R6, R7, R23, R38 at the series level
- Seal integrity check under pressure and vibration
Customization Options
- Colour combinations of LED modules on request
- Mounting bracket configuration to suit vehicle rear end
- Lens finish (matte or chrome) available per order
How KOT21 series Compares
| Separate tail and brake lamps | KOT21 reduces wiring complexity and mounting points while maintaining ECE compliance |
|---|---|
| Non approved rear lamp | KOT21 has ECE R3 R6 R7 R23 R38 documentation, so it can be registered in ECE markets without additional certification |
Use Guide
01Mount on a clean, flat rear surface with the correct bracket
Mount on a clean, flat rear surface with the correct bracket alignment
02Confirm the vehicle voltage is within 10-30V before connecti
Confirm the vehicle voltage is within 10-30V before connecting
03Ensure the lens is clean and free of debris before installat
Ensure the lens is clean and free of debris before installation
04Use the provided gaskets to maintain sealing in wet or dusty
Use the provided gaskets to maintain sealing in wet or dusty conditions
Other Models Buyers Compare With KOT21 series
Where KOT21 series Is Fitted
Agricultural Machinery
Kowin provides road-legal signal lamps and high-performance work lighting for agricultural machinery used on public roads and in-field opera
Truck and Trailer Builders
Truck and trailer builders requiring homologated rear signalling and position lighting for each build. Kowin supplies ECE R3 R6 R7 R23 R38 c
Guides That Cover This Product
10-30V and 10-80V Systems When Voltage Range Decides the Product
Voltage range is a critical specification when selecting vehicle lighting for industrial and emergency applications. Using a lamp
Rear Signal Lamp Regulations R3 R6 R7 R23 and R38
Rear signal lamps must meet multiple international regulations to ensure visibility and safety. The ECE R3, R6, R7, R23, and R38 s
KOT21 series Questions Buyers Ask
Is the KOT21 series approved for use in Europe
Yes. The lamp is approved to ECE R3, R6, R7, R23, and R38. We can provide the certificate copies on request.
What is the voltage range for the KOT21 series
The lamp operates on a 10-30V electrical system. Confirm your vehicle's voltage before installation.
Can the LED colour layout be changed
Yes. Colour combinations of the LED modules are customizable. Send your layout request and we will confirm it.
Does the lamp come with a mounting bracket
Yes. The lamp includes a mounting bracket suitable for standard rear end installations. Custom brackets are available on request.
Can I order the lamp with a chrome finish
Yes. Chrome finish on the lens is available as an option. Specify your preference when placing the order.
Request A Quote for KOT21 series
Send the quantity, the colour or beam configuration you need and the destination market. We reply with the specification sheet, the approval documents held for this model and a price.
Write to [email protected] and tell us the model, quantity and destination market. We answer with the specification sheet and a quotation.