Siemens HF366R - Fusible Safety Switch 600A 600V (200kA AIC NEMA 3R)

Siemens HF366R is a heavy-duty fusible safety switch designed for industrial power distribution systems requiring high fault current protection. The 600V/600A rated disconnect features a rugged NEMA 3R enclosure with Class R fuse compatibility and 200kA interrupting capacity at 600V for reliable circuit isolation. Its 3-pole single configuration with PGP frame compatibility ensures robust performance in demanding environments, meeting industry standards for electrical safety. Typical applications include motor control centers, transformer protection, and main service disconnects in commercial/industrial facilities.

Key Features & Specifications

• Type: Fusible safety switch (VBII Series HF type)
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 261 lb industrial enclosure
• Standards: NEMA 3R rated
• Applications: Industrial power distribution, MCCs, service entrances
• Switch Type: Fusible
• Configuration: Single
• Poles: 3
• AIC rating: 200kA@600V
• Phase: 3
• Fuse Class: R
• Compatible Frames: PGP

Product Identification

• UPC: 783643151352
• GTIN: 00783643308794