Square D Double Throw Non-Fusible Safety Switch, 30A, 240VAC, 3-Pole, NEMA 1, DTU321
$917.00
Square D DTU321 double throw non-fusible safety switch, 30A, 120/240VAC, 3-pole, 3-wire, 10HP, NEMA 1 enclosure. General duty disconnect for transfer switching applications between two power sources.
Square D Double Throw Non-Fusi...
$917.00
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Square D Double Throw Non-Fusible Safety Switch
The Square D (Schneider Electric) DTU321 is a general duty double throw non-fusible safety switch rated at 30A, 120/240VAC, 3-pole, 3-wire with a 10HP motor rating and NEMA 1 enclosure. Designed for transfer switching between two power sources — such as utility and generator — it provides a safe, code-compliant manual disconnect for commercial and industrial applications.
Key Features
- Double throw switching between two power sources (utility/generator transfer)
- Non-fusible design for applications where upstream overcurrent protection is provided
- 30A, 3-pole, 3-wire configuration for 3-phase transfer switching
- 10HP motor switching rating
- NEMA 1 enclosure for indoor, dry location installations
- 240VAC / 250VDC rated
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Square D (Schneider Electric) |
| Model | DTU321 |
| Product Type | Double Throw Non-Fusible Safety Switch |
| Ampere Rating | 30A |
| Voltage (AC) | 240VAC |
| Voltage (DC) | 250VDC |
| Poles | 3 |
| HP Rating | 10 HP |
| Enclosure | NEMA 1 |
| UPC | 78590117453 |
Documentation: Spec Sheet (PDF) | Instruction Manual (PDF).
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