Abb THN3363R Heavy Duty Safety Switch 100A 3P 600V

Product Description

The ABB THN3363R is a heavy-duty fusible safety switch rated for 100 amps, 3-pole operation at 600 volts. It is housed in a NEMA 3R enclosure, making it suitable for outdoor and weatherproof installations where rain and sleet exposure is a concern. This disconnect switch provides a reliable means of manually isolating electrical equipment from its power source. It is typically installed by licensed electricians on commercial and industrial equipment, HVAC systems, and other motor-driven loads requiring a lockable, visible-blade disconnect.

The THN3363R is used in applications where a robust, outdoor-rated disconnect is required by code. Common installation scenarios include rooftop HVAC equipment disconnects, compressor circuits, and other 3-phase or single-phase electrical loads up to 100 amps at 600 volts. The NEMA 3R enclosure makes it appropriate for exposed exterior mounting where precipitation protection is needed.

Key Features

• 100-amp continuous current rating for heavy-duty service
• 3-pole configuration supports 3-phase and single-phase load applications
• 600-volt rating suitable for a wide range of commercial and industrial circuits
• NEMA 3R enclosure rated for outdoor use with protection against rain and sleet
• Heavy-duty construction designed for reliable lockable disconnect service

Compatibility

Designed as an OEM-style heavy-duty safety switch for use as a fusible disconnect on commercial and industrial electrical systems requiring a 100-amp, 3-pole, 600-volt NEMA 3R-rated switch.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the upstream circuit and verify absence of voltage before beginning installation or servicing. The enclosure must be mounted securely to a structurally sound surface with the conduit entries properly sealed to maintain the NEMA 3R rating. Do not exceed the ampere or voltage ratings marked on the device.