Mersen A070URD33LI0450 - LI Fuse 700V/450A (200kA AIC)

Mersen A070URD33LI0450 is a low-voltage square body fuse designed for high-current circuit protection in industrial power distribution systems. This SB-3 class fuse features a 700V AC rating with a 450A current capacity and 200kA interrupting rating at full voltage, housed in a durable PSC-style body with NA long blade connections for secure mounting. Its VF velocity characteristic ensures rapid fault clearing, while the LI-type construction provides reliable protection against overloads and short circuits. Compliant with industry standards for low-voltage fuses, it is commonly deployed in motor control centers, switchgear, and heavy industrial equipment requiring robust overcurrent protection.

Key Features & Specifications

• Type: PSC Square Body LI-type fuse with NA long blade connection
• Voltage Rating: 700V AC
• Current Rating: 450A
• Class Rating: SB-3
• AIC Rating: 200kA@700V
• Velocity Characteristic: VF (Very Fast)
• Weight: 2 lb
• Applications: Industrial power distribution, motor protection, switchgear