Siemens HF363NR Safety Switch – VBII Series – 100A – 3 Pole – 600VAC – Heavy Duty Fusible Disconnect with Solid Neutral – NEMA 3R Outdoor Enclosure

The Siemens HF363NR is a VBII Series heavy-duty fusible safety switch engineered for reliable power isolation, overcurrent protection, and service disconnect applications in commercial and industrial electrical systems. Rated at 100A and 600VAC, this 3-pole switch features a 4-wire configuration with a solid neutral, providing dependable switching performance and enhanced protection when used with properly rated fuses.

Designed for indoor or outdoor installations, the HF363NR is housed in a rugged NEMA Type 3R rainproof steel enclosure that protects against weather exposure. With a high short-circuit current rating of 200kA and a heavy-duty single-throw operating mechanism, this switch delivers reliable performance in demanding electrical distribution environments.

Specifications

• Brand: Siemens
• Part Number: HF363NR
• Series: VBII Series
• Type: HF
• Category: Safety Switch / Disconnect Switch
• Duty Rating: Heavy Duty
• Fusibility: Fusible
• Configuration: Single Throw
• Contact Configuration: 3PST / TPST
• Enclosure Type: NEMA 3R (Outdoor Rated)
• Material: Steel
• Insulation Type: Non-Insulated

Electrical Ratings

• Current Rating: 100A
• Voltage Rating: 600VAC
• Frequency: 60 Hz
• Number of Poles: 3 Pole
• Phase: 3 Phase
• Number of Wires: 4
• Short Circuit Current Rating: 200kA

Motor / Load Ratings

• 1-Phase Applications: Up to 25 HP
• 3-Phase Applications: Up to 30 HP

Features

• Heavy-duty fusible safety switch
• 3-pole, 4-wire configuration with solid neutral
• High 200kA short-circuit current rating
• Weather-resistant NEMA 3R enclosure
• Surface-mount installation
• Mechanical lug terminal connections
• Reliable single-throw operating mechanism
• Suitable for indoor and outdoor applications

Construction

• Heavy-duty steel enclosure
• NEMA 3R rainproof design for outdoor installations
• Surface-mounted configuration
• Rugged industrial-grade switching mechanism
• Built for long service life in demanding environments

Physical Specifications

• Dimensions: 21.95 in H × 10.92 in W × 10.17 in D
• Temperature Rating: -29°C to 85°C

Standards and Approvals

• UL Listed
• Siemens Authentic Product

Applications

• Commercial power distribution systems
• Industrial electrical installations
• Outdoor service entrance equipment
• Motor disconnect and isolation applications
• HVAC and mechanical systems
• Equipment maintenance and safety disconnects
• Lockout/Tagout (LOTO) procedures
• Utility and infrastructure facilities

Returns are easy

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

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