Horizontal fuse switch disconnector holder block | 3P | 160A | 690V | for NH00 fuses

Technical Specifications

Electrical Parameters
Rated voltage (Ue): 400 V AC; 690 V AC (AC690)
Rated current (Ie): 160 A (AC400); 160 A (AC690)
Rated insulation voltage (Ui): 1000 V
Rated impulse withstand voltage (Uimp): 12 kV
Rated short-circuit current (Iq): 100 kA (AC400); 50 kA (AC690)
Usage category: AC-23B (AC400); AC-21B (AC690)
Electrical endurance: 200 cycles
Copper Contacts
Rated voltage (Ue): 380 V AC
Rated current (Ie): 160 A
Rated insulation voltage (Ui): 690 V
Rated impulse withstand voltage (Uimp): 8 kV
Rated short-circuit current (Icw): 8 kA / 1s
Usage category: AC-21B
Electrical endurance: 200 cycles
Rated frequency: 50/60 Hz
Number of poles: 3
Fuse Parameters
Fuse size: RT16/NT/NH IEC 60269-2 GB/T 13539.2 00
Rated current (In): 160 A
Power dissipation (P): 12 W
Mechanical endurance: 1400 cycles
Protection class (ON): IP20
Protection class (OFF): IP30
Micro switch connection option: Available (additional option)
Operating Conditions
Operating temperature: -5 ℃ ~ +40 ℃
Mounting category: III, IV
Pollution degree: 3
Altitude above sea level: ≤ 2000 m
Storage temperature: -25 ℃ ~ +55 ℃
Functions:

Reliable electrical circuit protection from overloads and short circuits.
Easy fuse replacement without additional tools.
Robust mechanism with 1400 cycle mechanical resistance.
Integrated micro switch (optional) to monitor ON/OFF status.
Compact design ensuring optimal space usage in electrical panels.
Usage:

Industrial electrical panels (control and distribution systems).
Power distribution equipment with NH fuses.
Infrastructure facilities – substations, commercial and industrial buildings.
High-current circuit protection in various industries.
Advantages:

High electrical insulation (up to 1000V).
High short-circuit withstand capacity (up to 100 kA).
Durability – mechanical resistance up to 1400 cycles.
Option to integrate micro switch for status monitoring.
Compact, easy-to-install design.
Disadvantages:

No protection against short circuits – additional fuses required.
Designed only for specific NH fuse types (NH00).
This horizontal fuse switch disconnector holder is a critical part of electrical distribution and protection systems, ensuring reliable operation and ease of maintenance.