SQUARE D D321NRB Fusible Safety Switch
The SQUARE D D321NRB is a 30 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, this switch provides a reliable disconnection point for electrical circuits.
SKU 3G-OTH-28363
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 D321NRB is a 30 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, this switch provides a reliable disconnection point for electrical circuits.
Frequently Asked Questions
What is the SQUARE D D321NRB safety switch used for?
The SQUARE D D321NRB is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial three-phase systems up to 240V AC. It is suitable for indoor/outdoor installations with a galvanized steel enclosure.
What are the specifications of the SQUARE D D321NRB safety switch?
The SQUARE D D321NRB is a 30 A, three-phase, 240V AC fusible safety switch with a galvanized steel enclosure rated for indoor/outdoor use. It accepts Class R or Class H fuses and features a visible blade design for safe lockout/tagout. The manufacturer part number is D321NRB.
Where to buy the SQUARE D D321NRB safety switch worldwide?
3G Electric supplies the SQUARE D D321NRB safety switch worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine SQUARE D components for reliable power disconnection.
How to install the SQUARE D D321NRB safety switch?
Install the SQUARE D D321NRB by mounting the galvanized steel enclosure on a flat surface using the provided knockouts. Ensure the switch is de-energized, connect line and load conductors per local codes, and install the correct fuse type (Class R or H). Always follow lockout/tagout procedures 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.
