Siemens 3NE1333-0 Fast Acting Fuse 450A 690V Industrial

Siemens 3NE1333-0 SITOR fuse link, NH2 (Size 2), 450 A at 690 V AC (440 V DC) with blade contacts is a fast-acting protective device designed for semiconductor protection in low‑voltage switchgear. This SITOR fuse link carries a gS rating per DIN EN 60269-1 and supports a high short‑circuit breaking capacity of 71 kA at 690 V AC, making it suitable for high-energy fault conditions. It is intended for use with standard NH fuse bases in Siemens SITOR installations and operates over an ambient temperature range of –20 °C to +50 °C, ensuring reliable performance in typical industrial environments. The 3NE1333-0 is positioned to protect power semiconductors and other high‑current loads in industrial electronics and protection circuits where precise, rapid interruption is required.