SQUARE D HU363RB Heavy Duty Safety Switch – 100A, 600V, 3-Pole, NEMA 3R
The
Square D HU363RB is a heavy-duty, non-fusible safety switch designed for reliable power isolation in commercial and industrial electrical systems. Rated at 100 amps and 600 VAC/DC, this 3-pole single-throw disconnect provides safe and dependable manual disconnection for motors, HVAC equipment, and distribution panels. Housed in a NEMA 3R galvannealed steel enclosure, the HU363RB is suitable for indoor and outdoor installations, offering durability, high short-circuit ratings, and compliance with UL safety standards.
| Specification |
Value |
| Manufacturer |
Square D (Schneider Electric) |
| Model Number |
HU363RB |
| Product Type |
Single Throw Safety Switch |
| Disconnect Type |
Non-fusible |
| Duty Rating |
Heavy duty |
| Current Rating |
100 A |
| Voltage Rating |
600 V AC/DC |
| Number of Poles |
3 |
| Short Circuit Current Rating |
200 kA maximum |
| Enclosure Rating |
NEMA 3R |
| Enclosure Material |
Galvannealed steel |
| Mounting Type |
Surface mount |
| Electrical Connection |
Lugs |
| Wire Size (Copper) |
AWG 14 to AWG 1/0 |
| Wire Size (Aluminum) |
AWG 12 to AWG 1/0 |
| Factory Installed Neutral |
None |
| Certifications |
UL Listed (File E2875) |
| Feature |
Benefit |
| Non-Fusible Disconnect |
Ideal for upstream circuit protection applications |
| Heavy-Duty Construction |
Built for demanding industrial and commercial environments |
| NEMA 3R Enclosure |
Suitable for indoor and outdoor installations |
| 600V AC/DC Rating |
Supports a wide range of power distribution needs |
| High SCCR (200 kA) |
Enhanced protection in high fault-current systems |
| Surface Mount Design |
Easy installation on walls or equipment panels |
| Wide Wire Range Support |
Flexible compatibility with copper and aluminum conductors |
| UL Listed |
Meets recognized safety and compliance standards |
Applications: Motor disconnects, HVAC equipment isolation, industrial machinery, power distribution panels, commercial electrical systems, outdoor electrical enclosures, manufacturing facilities, utility and infrastructure systems