Thomas & Betts HD323SN-TB Heavy Duty Safety Switch

Description:

The Thomas & Betts HD323SN-TB Heavy Duty Safety Switch is used to safely disconnect and isolate three-phase electrical power in commercial and industrial electrical distribution systems. Commonly installed in manufacturing facilities, motor control centers, HVAC systems, process equipment, pump stations, and industrial machinery where a reliable service disconnect is required. Maintenance electricians, OEM manufacturers, and system integrators use this safety switch for new installations, equipment isolation, preventive maintenance, and replacement of existing heavy-duty disconnect switches.

Applications:

The Thomas & Betts HD323SN-TB is a heavy-duty, fusible safety switch designed to provide a visible means of disconnect for motors, feeders, branch circuits, and industrial equipment. Its NEMA 1 indoor enclosure is suitable for commercial and industrial applications requiring dependable manual isolation during servicing or emergency shutdown. The switch is commonly used in electrical distribution panels, manufacturing equipment, HVAC systems, conveyors, compressors, and other three-phase installations requiring safe power disconnection.

Technical Specifications:

• Brand: Thomas & Betts (ABB)
• Part Number: HD323SN-TB
• Product Type: Heavy Duty Fusible Safety Switch
• Series: HD Heavy Duty
• Current Rating: 100 A
• Voltage Rating: 240 VAC
• Number of Poles: 3 Pole
• Phase: 3 Phase
• Neutral: Factory Installed Neutral (NN1)
• Disconnect Type: Fusible
• Enclosure Type: NEMA 1 (Indoor)
• Mounting: Surface Mount
• Application: Service Disconnect and Equipment Isolation
• Typical Applications: Motor Control Centers, Industrial Machinery, HVAC Equipment, Manufacturing Facilities, Power Distribution Systems
• Manufacturer: ABB Installation Products (Thomas & Betts)
• Product Status: Discontinued / Obsolete

Common Replacements:

• Thomas & Betts HD323N-TB
• Thomas & Betts HD323NF-TB
• Thomas & Betts HD324N-TB