Siemens HF365SA Safety Switch – VBII Series – 400A – 3 Pole – 600VAC – Heavy Duty Fusible Disconnect – NEMA 4/4X 304 Stainless Steel Enclosure

The Siemens HF365SA is a VBII Series heavy-duty fusible safety switch designed for high-capacity power distribution, motor control, and equipment isolation in harsh and corrosive environments. Rated at 400A and 600VAC, this 3-pole, 3-phase switch features a fusible 3-fuse configuration that ensures reliable disconnect operation and strong short-circuit protection when used with properly rated fuses.

Built with a rugged NEMA 4/4X enclosure constructed from 304 stainless steel, the HF365SA is engineered for washdown, outdoor, and corrosive industrial applications. Its durable stainless-steel construction and high-performance switching mechanism make it ideal for demanding environments requiring both reliability and corrosion resistance.

Specifications

• Brand: Siemens Breakers
• Part Number: HF365SA
• Series: VBII Series
• Category: Safety Switch / Disconnect Switch
• Duty Rating: Heavy Duty
• Fusibility: Fusible
• Contact Configuration: 3PST / TPST
• Enclosure Type: NEMA 4/4X (304 Stainless Steel)
• Material: 304 Stainless Steel
• Mounting Type: Surface

Electrical Ratings

• Current Rating: 400A
• Voltage Rating: 600VAC
• Number of Poles: 3 Pole
• Phase: 3 Phase
• Number of Wires: 3

Features

• Heavy-duty fusible safety switch
• 3-pole, 3-phase configuration
• NEMA 4/4X stainless steel enclosure for corrosive environments
• 304 stainless steel construction for maximum durability
• Suitable for washdown and outdoor applications
• Reliable single-throw switching mechanism
• Mechanical lug connections
• Industrial-grade design for continuous duty applications
• High reliability for critical electrical distribution systems

Construction

• NEMA 4/4X stainless steel enclosure
• Corrosion-resistant 304 stainless steel body
• Heavy-duty industrial switching mechanism
• Surface-mounted design
• Built for harsh environmental conditions and long service life

Physical Specifications

• Weight: 99.803 lb

Applications

• Food and beverage processing facilities
• Chemical and petrochemical plants
• Wastewater treatment plants
• Marine and offshore environments
• Pharmaceutical and hygienic processing areas
• Outdoor industrial installations
• Washdown and corrosive environments
• Motor disconnect and equipment isolation applications
• Lockout/Tagout (LOTO) safety procedures

Returns are easy

You may return items within 30 days of delivery for a refund.

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