Description
The Square D H222NRB is a heavy-duty, fusible safety switch designed to provide reliable manual disconnect for power circuits in commercial and industrial environments. Rated at 60 amps and up to 240VAC/250VDC, this 2-pole switch features a NEMA 3R enclosure suitable for indoor and outdoor installations.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Safety Switch |
| Part Number |
H222NRB |
| Subcategory |
Fusible Safety Switch |
| Duty Rating |
Heavy Duty |
| Disconnect Type |
Fusible |
| Action |
Single Throw |
| Amperage |
60 Amp |
| Voltage Rating |
240 VAC / 250 VDC |
| Poles |
2 |
| Phases |
3 |
| Mounting Type |
Surface |
| Terminal Type |
Lugs |
| Fuse Type |
Class H, K, R, or J |
| Short Circuit Current Rating |
10kA (H/K), up to 200kA (R/J) |
| Enclosure Rating |
NEMA 3R |
| Enclosure Material |
Galvannealed Steel |
| Environmental Rating |
Rainproof, Sleet/Ice Proof |
| Factory Installed Neutral |
Yes |
| Wire Size |
AWG 14–3 Cu / AWG 12–3 Al |
| Dimensions (HxWxD) |
14.88 in x 6.63 in x 4.88 in |
| Weight |
8.82 lb |
Information About H222NRB
The H222NRB is part of Square D’s Heavy Duty safety switch line, engineered for dependable isolation and protection of electrical circuits. It features a single-throw, fusible disconnect design with factory-installed neutral, supporting safe servicing and maintenance operations. Constructed with a galvannealed steel enclosure, the switch is rated NEMA 3R for rainproof and sleet/ice-proof performance. Designed for surface mounting, it accommodates a wide conductor range and supports multiple fuse classes for flexible system integration.
Key Features:
- 60 Amp Rating: Designed for moderate-load commercial and industrial circuits.
- 2-Pole Configuration: Suitable for single-phase and applicable multi-phase systems.
- Fusible Disconnect Design: Supports Class H, K, R, or J fuses for circuit protection.
- NEMA 3R Enclosure: Rated for indoor and outdoor rainproof installations.
- Heavy Duty Construction: Built with steel enclosure for long-term durability.
- Wide Wire Compatibility: Accepts AWG 14–3 copper and AWG 12–3 aluminum conductors.
- Surface Mount Installation: Enables straightforward wall or panel mounting.
The H222NRB delivers the reliability and precision required for safe power isolation and heavy-duty disconnect applications.
