S&C Electric 252125R4 - Class E Fuse Refill 15kV/200A (SM-4 Family)

S&C Electric 252125R4 is a Class E fuse refill designed for high-voltage circuit protection in power distribution systems. It features a 15 kV voltage rating and 200A current capacity, engineered for reliable interruption of fault currents. The SM-4 family fuse refill is constructed with precision-machined silver alloy elements housed in a durable fiberglass-reinforced epoxy tube. It meets IEEE C37.40 standards for expulsion-type fuses and is UL-recognized for industrial applications. Typical uses include protecting transformers, capacitors, and feeders in utility substations and industrial power systems.

Key Features & Specifications

• Type: Class E expulsion fuse refill, silver alloy elements, fiberglass-epoxy construction
• Voltage Rating: 15 kV
• Current Rating: 200A
• Family: SM-4
• Standards: IEEE C37.40, UL recognized
• Applications: Transformer/capacitor protection, feeder circuits
• Weight: 1 lb
• Section: Fuse Refills