Socket D 487 DII/E27 25A 500V 1P, 4 screws LE27KPS

Safe protection of single-phase circuits in industrial and domestic installations

The requirements imposed on modern distribution boards often demand a combination of high thermal resistance with mounting certainty. These are precisely the features that distinguish the ceramic fuse holder designed for DIN rail mounting, which effectively protects circuits against overloads and short circuits. Thanks to the use of porcelain as the housing material, the device maintains stability even under high-temperature conditions, which is crucial when operating with a rated current up to 25 A. This type of solution proves particularly effective where traditional plastic housings might degrade under the heat generated by cartridge fuses.

Mounting versatility and wide range of applications

This fuse holder has been designed with installation flexibility in mind. Its construction allows for quick mounting in a DIN rail system, significantly accelerating the installer's work during modernization or the construction of new distribution boards. A key element here is the loop terminal, which enables connection of conductors with a cross-section up to 10 mm². Such a solution eliminates the need for additional intermediate terminals, simplifying the current path and increasing its reliability.

The device supports cartridge fuses in the DII (E27) standard, making it compatible with a wide spectrum of fuses ranging from 2 A up to 25 A. This means that a single fuse holder can serve as protection for both delicate control circuits and more demanding power lines supplying higher-power equipment. The rated voltage of 500 V ensures an adequate safety margin in single-phase and three-phase installations (in a 1P configuration).

User safety and construction durability

Safety is a priority; therefore, the product is equipped with a protective cover. Its presence not only protects the mechanism against accidental contact with live parts but also shields the interior from dust and moisture, extending the service life of the entire assembly. The porcelain housing additionally provides thermal and electrical insulation, minimizing the risk of overheating adjacent components in the distribution board.

In practical installation, specific mounting and operational capabilities are important:

• The porcelain housing ensures high resistance to high temperatures and electric arcs, which is crucial during prolonged operation under load.
• Mounting in a DIN rail system allows for quick and secure fixation without the need to drill additional holes in the distribution board panel.
• The use of DII / E27 cartridge fuses with a range from 2 A to 25 A provides great flexibility in selecting protection for various current circuits.
• The possibility of connecting conductors with a cross-section up to 10 mm² directly to the loop terminal simplifies wiring in distribution boards with larger conductor cross-sections.

The device operates at a rated voltage of 500 V, and its single-pole construction (1P) fits perfectly into phase protection schemes. The protective cover not only fulfills safety functions but also protects against dust, which is important in industrial or workshop environments. Thanks to its solid construction and precisely selected materials, the fuse holder meets the rigorous safety standards applied in the electrical industry, offering stable operation for years without the need for additional maintenance. This is a solution dedicated both to professionals who value simple installation and to end-users seeking reliable protection for their electrical installations.