General
Nominal voltage	0,6/1 kV
Test voltage	4 kV
Installation temperature range	-5 to +70 °C
Temperature range after installation	-30 to +70 °C
Operation temperature	+70 °C
Bend radius single-core	15 x cable diameter
Bending radius multi-core	12 x cable diameter
Flame retardancy	VDE 0472 Part 804, test type B
Circuit board construction	Round stranded
Conductor material	Copper
Insulating material	PVC
Outer sheath	PVC black
Conductor marking	according to VDE 0293-308

The cable of the brand VDE-Kabel, type NYY-J 5X25 RM, is a fixed installation power and control cable designed for use outdoors, in the ground, indoors, and in cable ducts. It is used for the transmission of electrical power and control signals in industrial, commercial, and municipal installations. The designation NYY-J indicates a cable with PVC insulation and outer sheath, where the letter J denotes the integrated green-yellow protective earth conductor. The designation RM indicates a round multi-strand copper conductor manufactured according to VDE 0295, offering good flexibility and mechanical durability.

Applications
This cable is suitable for a wide range of installation scenarios, particularly where permanent, robust, and weather-resistant installation is required. It is commonly used in building electrotechnics, road and traffic construction, agriculture, and industry. Installation can be carried out directly in the ground, in cable ducts, or indoors, with the PVC insulation and black-colored outer sheath ensuring high mechanical and chemical resistance.

Functions and Equipment in Detail
The conductor is made of bare copper manufactured according to VDE 0295. The designation RM means that it is a round multi-strand conductor, offering better flexibility compared to single-strand conductors. The conductors are insulated with PVC, with color coding according to VDE 0293-308. With five conductors, the green-yellow protective earth conductor (J) is included, ensuring compliance with VDE and DIN regulations for electrical installations. A filler layer ensures uniform shape and mechanical stability of the cable.

Technology Explained Simply
The rated voltage is 0.6/1 kV, meaning the cable is suitable for applications in low-voltage technology. The test voltage of 4 kV ensures the cable remains stable even under increased electrical stress. The maximum operating temperature is +70 °C, with the cable tolerating installation temperatures from -5 °C to +70 °C and post-installation temperatures from -30 °C to +70 °C. The bending radius is 15 times the cable diameter for single-strand conductors and 12 times for multi-strand conductors, which must be considered during installation. Flame retardancy according to VDE 0472 Part 804, test method B (equivalent to IEC 332-1), ensures limited flame spread in case of fire.

Compatibility and Accessories
The cable is designed for use in existing and new installations complying with VDE and DIN standards. It can be connected with standard cable lugs, cable glands, and other connection elements suitable for PVC insulation. Use in cable ducts or direct burial in the ground requires no additional protective measures, as the cable is already designed for these environments.

Installation and Mounting
Installation is carried out by direct burial in the ground, in cable ducts, or indoors. During installation, the specified bending radii must be observed to ensure the mechanical integrity of the cable. The installation temperature should be between -5 °C and +70 °C. After installation, the cable can withstand temperatures down to -30 °C, making it suitable for cold regions as well.

Operational Advantages
The cable offers high mechanical strength, weather resistance, and electrical reliability. The integrated green-yellow protective earth conductor (J) meets requirements for electrical safety. The PVC insulation and outer sheath provide high chemical resistance against moisture, UV radiation, and common environmental substances. Flame retardancy according to VDE 0472 Part 804, test method B, reduces fire risk and increases operational safety.