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The Opton FDB-0424G-E is a fiber optic splice closure equipped with 4 entries for backbone cables and 24 outputs for client cables. The diameter of the linear holes is 9 mm, while the output size is 2 x 3 – 5 mm. The product is made of ABS plastic and polycarbonate, fully adapted for outdoor use, and features an IP65 protection rating. Inside, there is a mounting frame that allows the installation of up to 24 SC Simplex adapters or 48 LC Duplex adapters. Beneath the large tray, on the opposite side of the frame, there are 24 slots for splice protectors. Additionally, there is a separate tray inside the closure for 12 splices. The closure stands out due to its large size, with dimensions of 34 x 26 x 10.5 cm, and features three dedicated areas for cable slack management. The product is designed for wall mounting, and the set includes mounting plugs.

Fiber Optic Splice Closure (4 Inputs, 24 Outputs)
The offered product is a fiber optic splice closure. It is equipped with 4 inputs for linear cables with a maximum diameter of 9 mm and 24 outputs for subscriber cables with dimensions of 2 x 3 – 5 mm. The outputs are designed for use with drop-type cables. All openings are secured with rubber grommets, which must be properly prepared before inserting the cables.
Frame for 24 Adapters
Inside the closure, there is a frame that allows you to install up to 24 SC Simplex adapters or 48 LC Duplex adapters.


36 Splice Slots
On the underside of the main tray, there are a total of 24 slots designated for splice installation. The holders are long and convenient to use; due to their height, if needed, you can mount splices in a stacked configuration, one on top of another, thereby increasing the capacity to 48. Additionally, inside the closure, there is a standard splice tray with 12 more slots.
Large Dimensions, Three Cable Slack Management Areas
The offered product stands out due to its dimensions—it is significantly larger than other closures in our range. This ensures comfortable working space and eliminates the need for tightly arranging each fiber. On both sides of the main tray, there are dedicated areas for coiling fiber or cable slack. Additionally, cable holders for storing backbone cable slack are located on the back of the closure.


Wall-Mount Installation, IP65 Protection Rating
The closure is made of polycarbonate and ABS plastic, fully adapted for outdoor use and featuring an IP65 protection rating. UV-resistant materials have been used, and a gasket protects the closure from water and dust ingress. Using the accessories included in the set, you can mount the product on a wall—mounting plugs are provided.
Specifications
Opton FDB-0424G-E | |
Dimensions | 340 x 260 x 105 mm |
Color | Gray PANTONE 428C |
Number and Size of Input Holes | 4 holes, diameter 9 mm |
Number and Size of Output Holes | 24 holes, size 2 x 3–5 mm |
Protection Rating | IP65 |
Mounting Method | Well-mounted |
Adapter Frame | For 24 SC Simplex / LC Duplex adapters |
Operating Temperature | -40°C to 65°C |
Installation Temperature | -5°C to 40°C |
Storage Temperature | -40° to 65°C |
Atmospheric Pressure | 70 ~ 106 Kpa |
Air Humidity | < 93% RH |