SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel
The SQUARE D D321N is a 30 A, three-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, it provides a grounded disconnect solution for industrial electrical systems…
SKU 3G-OTH-25669
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SQUARE D D321N is a 30 A, three-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, it provides a grounded disconnect solution for industrial electrical systems. 3G Electric interprets your demand for this SQUARE D model and delivers it with specialist support across 14 industrial departments.
Frequently Asked Questions
What is the SQUARE D D321N safety switch used for?
The SQUARE D D321N is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial three-phase 240V AC circuits. It provides overcurrent protection via fuses and is suitable for indoor installations where a reliable, lockable disconnect is required.
What are the specifications of the SQUARE D D321N safety switch?
The SQUARE D D321N is a fusible safety switch rated 30 A, three-phase, 240V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is D321N. This switch is designed for general-duty applications requiring a visible-blade disconnect with fuse protection.
Where to buy the SQUARE D D321N safety switch worldwide?
You can source the SQUARE D D321N safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SQUARE D components for industrial electrical systems.
How to install the SQUARE D D321N safety switch?
Install the SQUARE D D321N safety switch on a flat indoor surface using the mounting holes in the galvanized steel enclosure. Ensure the supply is de-energized, connect line and load conductors per the wiring diagram inside the cover, and install the correct fuse type and rating. Always follow local electrical codes and lock out the switch before servicing.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D fusible safety switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
