Siemens HF363N Safety Switch – HF Series – 100A – 3 Pole – 600VAC – Heavy Duty Fusible Disconnect with Solid Neutral – NEMA 1 Indoor Enclosure

The Siemens HF363N is a heavy-duty fusible safety switch designed for reliable power isolation, equipment protection, and service disconnect applications in commercial, institutional, and industrial facilities. Rated at 100A and 600VAC, this 3-pole switch features a 4-wire configuration with a solid neutral, providing dependable switching performance and overcurrent protection when used with Class H, J, K, R, or T fuses.

With a high interrupting rating of 200kAIC at 600V, the HF363N delivers exceptional fault-current protection for demanding electrical distribution systems. Its NEMA Type 1 enclosure is intended for indoor installations, while the heavy-duty single-throw mechanism ensures long-term reliability in critical applications.

Specifications

• Brand: Siemens
• Part Number: HF363N
• Series: HF Series
• Frame Type: HF
• Category: Safety Switch / Disconnect Switch
• Duty Rating: Heavy Duty
• Fusibility: Fusible
• Actuator Type: Single Throw
• Contact Configuration: 3PST
• Enclosure Type: NEMA 1 (Indoor)

Electrical Ratings

• Current Rating: 100A
• Voltage Rating: 600VAC
• Number of Poles: 3 Pole
• Phase: 3 Phase
• Number of Wires: 4
• Interrupting Capacity: 200kAIC @ 600V

Fuse Compatibility

• Class H Fuses
• Class J Fuses
• Class K Fuses
• Class R Fuses
• Class T Fuses

Features

• Heavy-duty fusible safety switch
• 3-pole, 4-wire configuration with solid neutral
• High 200kAIC interrupting capacity
• Surface-mounted installation
• Mechanical lug terminal connections
• Reliable single-throw operating mechanism
• Designed for commercial and industrial power systems

Construction

• NEMA 1 indoor steel enclosure
• Heavy-duty industrial switching mechanism
• Surface-mount design
• Engineered for long service life and dependable operation

Standards and Approvals

• UL Listed
• Siemens Authentic Product

Environmental Ratings

• Operating Temperature: -29°C to 85°C

Applications

• Commercial power distribution systems
• Industrial electrical installations
• Institutional facilities
• Motor and equipment disconnect applications
• Service entrance equipment
• HVAC and mechanical systems
• Lockout/Tagout (LOTO) safety procedures
• Electrical maintenance and isolation applications

Returns are easy

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

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