Vertical fuse switch disconnector holder block | 3P | 160A | 690V | for NH00 fuses | for panel mounting

Technical Specifications:
Electrical Parameters:

Rated Operating Voltage (Ue): AC400V / AC500V / AC690V
Rated Operating Current (Ie): 613A (AC400V), 125A (AC500V), 100A (AC690V)
Thermal Continuous Current (Ith): 160A (AC400V), 125A (AC500V), 500A (AC690V)
Utilization Category: AC-23B, AC-22B
Limited Short-Circuit Current (Iq): 50kA
Insulation Voltage (Ui): 1000V
Impulse Withstand Voltage (Uimp): 8 kV
Frequency: 50/60 Hz
Electrical Durability: 200 cycles
Mechanical Data:

Mechanical Durability: 1400 cycles
Copper Busbar Distance: 185 mm
Protection Degree: IP20 (open state), IP30 (closed state)
Operating Temperature: -5°C to +55°C
Operating Mode: Continuous operation
Control: Handle-operated
Mounting Type: Vertical
Operating Altitude Above Sea Level: ≤2000 m
Pollution Degree: 3
Overvoltage Category: III
Fuse Data (RT16NTNH – GB/T13539.2, IEC 60269-2):

Operating Current (In): 160A (AC400V), 125A (AC500V), 100A (AC690V)
Power Loss (P): 12W
Additional Features:

Electronic Fuse Monitoring System (EFM) – Optional installation.
Micro switch for open/close signal outputs – Can be integrated.
Applications:
Industrial electrical distribution systems
Electrical panels and substation equipment
Overload and short-circuit protection
Fuse-based load switching in high-power electrical installations
Energy, manufacturing, and industrial facilities requiring reliable current disconnection
Pros:
High short-circuit current threshold – ensures a high level of protection.
Powerful current disconnection – suitable for high-load systems.
Integratable EFM module – allows electronic monitoring of fuse status.
Compact vertical installation – saves space in electrical panels.
High insulation level and impulse voltage resistance.
Strong mechanical resistance – ensures a long service life.
Cons:
Requires additional fuse selection – no built-in fuse, must be purchased separately.
Only vertical installation – may be inconvenient in some electrical panel configurations.
Proper connection tightening required – to avoid poor contact.
The vertical fuse disconnector holder is a high-quality electrical disconnection device designed for reliable protection of electrical networks against overloads and short circuits. This device is particularly suitable for industrial electrical distribution systems that require high current disconnection capacity and reliable protection. With additional accessories such as electronic fuse monitoring (EFM) or micro switches for signaling, this model can be effectively adapted to various electrical installations.