Siemens HF365NRA Safety Switch – VBII Series – 400A – 3 Pole – 600VAC – Heavy Duty Fusible Disconnect with Solid Neutral – NEMA 3R Outdoor Enclosure

The Siemens HF365NRA is a VBII Series heavy-duty fusible safety switch designed for high-capacity power distribution, motor control, and service entrance applications in commercial and industrial environments. Rated at 400A and 600VAC, this 3-pole switch features a 4-wire configuration with a solid neutral, ensuring safe and reliable disconnect performance when used with properly rated fuses.

Built with a rugged NEMA Type 3R enclosure, the HF365NRA is suitable for outdoor installations, providing protection against rain and environmental exposure. Its high short-circuit rating of 200kA, heavy-duty switching mechanism, and robust steel construction make it a dependable solution for demanding electrical distribution systems.

Specifications

• Brand: Siemens
• Part Number: HF365NRA
• Series: VBII Series
• Type: VBII Fusible Heavy Duty Low Voltage Single Throw
• Category: Safety Switch / Disconnect Switch
• Duty Rating: Heavy Duty
• Fusibility: Fusible
• Contact Configuration: 3PST / TPST
• Enclosure Type: NEMA 3R (Outdoor Rated)
• Material: Steel
• Mounting Type: Surface

Electrical Ratings

• Current Rating: 400A
• Voltage Rating: 600VAC
• Frequency Rating: 60 Hz
• Number of Poles: 3 Pole
• Phase: 3 Phase
• Number of Wires: 4
• Short Circuit Current Rating: 200kA

Motor / Load Ratings

• Horsepower Rating: 125 HP
• Operating Temperature: -29°C to 85°C

Features

• Heavy-duty fusible safety switch
• 3-pole, 4-wire configuration with solid neutral
• High 200kA short-circuit current rating
• NEMA 3R weatherproof enclosure for outdoor use
• Rugged steel construction for industrial durability
• Surface-mounted design
• Mechanical lug connections
• Suitable for service entrance and motor control applications
• Reliable manual disconnecting means for safety and maintenance

Construction

• Heavy-duty steel enclosure
• NEMA 3R rainproof outdoor design
• Industrial-grade switching mechanism
• Built for long-term performance in harsh environments
• Surface-mounted installation

Applications

• Outdoor industrial power distribution systems
• Commercial electrical installations
• Service entrance equipment
• Motor control and protection systems
• HVAC and mechanical equipment disconnects
• Manufacturing and processing facilities
• Equipment isolation and maintenance safety procedures
• Lockout/Tagout (LOTO) compliance applications

Returns are easy

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

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