ABB / GE THN3365A1 400 Amp 3 Pole Heavy Duty Non-Fusible Safety Switch – NEMA 1 – 600V AC

The ABB / GE THN3365A1 is a 400 Amp, 3-pole heavy-duty non-fusible safety switch designed for industrial and commercial power distribution systems requiring reliable disconnect capability without integrated overcurrent protection. It provides a visible means of isolation for safe maintenance and servicing of electrical equipment. The NEMA 1 enclosure makes it suitable for indoor installations in clean, dry environments such as electrical rooms and controlled industrial facilities.

Voltage and Rating

• Current Rating: 400 Amps
• Voltage Rating: 600 VAC
• Number of Poles: 3
• Number of Wires: 3
• System Type: 3-phase applications
• Device Type: Heavy Duty Non-Fusible Safety Switch

Key Specifications

• Switch Type: Heavy Duty Non-Fusible Disconnect Switch
• Enclosure Type: NEMA 1 (Indoor general purpose)
• Application: Industrial and commercial power isolation
• Brand: GE / ABB
• Fusibility: Non-fusible

Technical Specifications

• Operation: Manual ON/OFF handle
• Mounting Type: Surface-mounted enclosure
• Construction: Heavy-duty industrial-grade metallic enclosure
• Safety Features: Lockable handle for lockout/tagout compliance
• Performance: Designed for high-capacity indoor electrical distribution systems

Physical Dimensions

• Height: 49.38 in
• Width: 24.58 in
• Depth: 13.28 in

Product Data

• Manufacturer Part Number: THN3365A1
• UPC: 783164645118
• Product Type: Heavy Duty Safety Switch
• Sub-Category: Non-Fusible Disconnect Switch

Applications

• Industrial electrical distribution systems
• Commercial power rooms
• Equipment isolation and maintenance safety
• Large HVAC and motor control disconnects
• Manufacturing facilities

Returns are easy

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

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.