Description
The Leviton N3303-DS Powerswitch® Industrial Grade AC Manual Motor Controller delivers safe, reliable ON/OFF switching control and local disconnect capability for heavy-duty three-phase motor loads. Housed in a weather-resistant NEMA Type 3R gray steel enclosure, this 30 Amp, 600 VAC three-pole (3-pole) manual motor controller is specifically built for outdoor or harsh industrial environments where exposure to falling rain, sleet, or ice formation is a factor.
Engineered for demanding commercial and industrial environments, the N3303-DS features flame-retardant (UL 94 V-0) thermoplastic polyester body components and .031″ thick silver-cadmium contacts designed to resist arcing over a 6,000-cycle inductive motor load lifecycle. Equipped with versatile back and side wiring options for #10 to #8 AWG conductors and clearly marked terminal identifiers (L1, L2, L3, T1, T2, T3), this enclosed switch is an ideal solution for outdoor pumping stations, rooftop HVAC units, conveyor lines, and industrial air compressors.
Key Features
- Three-Phase Motor Control: Rated for 30 A / 600 VAC 3-pole switching and certified as a suitable motor disconnect switch.
- NEMA Type 3R Outdoor Enclosure: Weather-resistant gray steel housing protects internal switch mechanism against rain, sleet, and external ice formation.
- Silver-Cadmium Contacts: High-grade .031″ thick contacts provide superior arc resistance and conductivity rated for 6,000 inductive motor load cycles.
- Flexible Back & Side Wiring: Accommodates #10–#8 AWG copper wire with clearly stamped L1, L2, L3 and T1, T2, T3 terminal markings.
- Rugged Industrial Construction: Thermoplastic polyester face, base, and toggle offer high impact and heat resistance across operating temperatures from -40°C to 60°C.
- 10-Year Limited Warranty: Backed by Leviton’s 10-year warranty for reliable long-term service in heavy manufacturing environments.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | N3303-DS |
| Brand | Leviton (Powerswitch® Series) |
| Product Type | Enclosed AC Manual Motor Controller / Disconnect Switch |
| Amperage Rating | 30 A |
| Voltage Rating | 600 VAC |
| Poles / Phase | 3-Pole (Three-Pole / Three-Phase) |
| Enclosure Rating & Color | NEMA Type 3R (Outdoor/Rainproof), Gray Steel Cover |
| Wiring / Termination | Back & Side Wired (Terminals L1, L2, L3 & T1, T2, T3) |
| Terminal Conductor Range | #10 to #8 AWG |
| Terminal Screw Torque | 25 in-lbs maximum |
| Grounding | Grounded to Enclosure |
| Contact Material | Silver-Cadmium (.031 in Thick) |
| Body & Toggle Material | Thermoplastic Polyester (UL 94 V-0 Rated) |
| Operating Temperature | -40°C to 60°C (-40°F to 140°F) |
| Inductive Load Endurance | 6,000 cycles at full rated current |
| Dielectric Voltage Withstand | Withstands 2200 V for 1 minute |
| Standards & Certifications | UL 60947-4-1 (supersedes UL 508), cUL per CSA C22.2 No. 111 (File #E63969), ANSI C-73, NEMA WD-1 & WD-6, NOM-ANCE |
| Warranty | 10-Year Limited Warranty |
| Primary Applications | Outdoor motor disconnect, rooftop HVAC equipment, outdoor pumping stations, conveyor systems, industrial compressors |
Reviews
There are no reviews yet.