900A NH3UD69V900PV

Product Description

The NH3UD69V900PV (900A) is a high-performance NH3 size semiconductor protection fuse from Mersen (Protistor series), designed for heavy-duty industrial power and converter protection.

It is an ultra-fast aR-type NH fuse link, mainly used to protect power electronics like IGBT, diode, and thyristor-based systems in high-current applications.

Key Features

• High-capacity industrial fuse for semiconductor protection
• Ultra-fast aR (partial range) characteristic for precise fault interruption
• Designed to withstand high fault currents with controlled I²t energy
• Silver element construction for superior performance and reliability
• High breaking capacity for safe disconnection under extreme fault conditions
• NH blade-type design for standard industrial fuse switch systems
• Visual and optional remote fuse status indication
• Stable operation in high-load power distribution systems
• Suitable for harsh industrial environments
• Reliable protection for modern power electronics and converters

Specifications

• Product Type: NH Fuse Link / Semiconductor Protection Fuse
• Model: NH3UD69V900PV
• Series: Protistor NH
• Manufacturer: Mersen
• Rated Current: 900A
• Rated Voltage: 690V AC (IEC) / 700V AC (UL)
• Fuse Size: NH3
• Operating Class: aR (ultra-fast semiconductor protection)
• Breaking Capacity: up to 170 kA
• Technology: Silver element, sand-filled body
• Contact Type: NH knife-blade terminals
• Application: VFD drives, rectifiers, UPS systems, motor drives, industrial converters
• Protection Type: Short-circuit and semiconductor protection
• Indicator: Combined visual/optional remote indicator