Fuse base, 1-pole design, cable terminals: screw M10. PBD 1 Un: 690 V~ In: 250 A 63-820991-011

Fuse base – reliable protection for electrical installations

This single-pole fuse base, designed to work with knife-type fuses, is a key element in protecting electrical circuits. Designed for mounting in distribution boards, it provides effective protection against overload and short circuit. Its solid construction and precise workmanship guarantee long-lasting and trouble-free operation.

This base is compatible with fuse cartridges of size 1, allowing adaptation to the specific needs of the installation. Screw terminals M10 allow connection of conductors with a cross-section of up to 120 mm², ensuring a secure and stable connection. Rated voltage of 690 V~ and rated current of 250 A make it an ideal solution for demanding industrial and commercial applications.

Construction features and application

Made of high-quality materials, the base is characterized by high resistance to environmental conditions and mechanical damage. Its simple construction facilitates assembly and maintenance, which translates into saving time and costs. Designed to operate at a frequency of 40-60 Hz, it ensures reliable operation in various electrical systems. The rated withstand current of 40 kA demonstrates its ability to withstand high overvoltages, which increases the safety of the installation.

• Solid construction: Ensures durability and resistance to mechanical damage.
• Screw terminals M10: Allow connection of conductors with a large cross-section (up to 120 mm²).
• High parameters: Voltage 690 V~ and current 250 A allow use in demanding installations.
• Compatibility: Designed for fuse cartridges size 1 (NH1).
• Versatility: Ideal for both professional installers and end-users looking for reliable electrical installation protection.
• Mechanical durability: Withstands up to 250 operating cycles, guaranteeing long service life.