SQUARE DU321RB Non-Fusible Safety Switch
The SQUARE D Safety Switch: Non-Fusible (MPN DU321RB) is a 30 A, three-phase, 240V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a SQUARE D product, it provides a reliable…
SKU 3G-OTH-129137
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The SQUARE D Safety Switch: Non-Fusible (MPN DU321RB) is a 30 A, three-phase, 240V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a SQUARE D product, it provides a reliable disconnect solution for industrial electrical systems.
Frequently Asked Questions
What is a Square D non-fusible safety switch used for?
A Square D non-fusible safety switch provides a manual disconnect for three-phase equipment up to 30 A and 240V AC. It is commonly used in industrial and commercial applications to safely isolate motors, pumps, and machinery during maintenance or emergency shutdown.
What are the specifications of the Square D DU321RB safety switch?
The Square D DU321RB is a non-fusible safety switch rated 30 A, three-phase, 240V AC. It features a galvanized steel enclosure suitable for indoor/outdoor use. The manufacturer part number is DU321RB, and it is designed for reliable disconnect in industrial environments.
Where to buy a Square D DU321RB safety switch worldwide?
3G Electric supplies the Square D DU321RB safety switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this non-fusible disconnect switch.
How to install a Square D non-fusible safety switch?
Installation should follow the manufacturer's instructions and local electrical codes. Mount the galvanized steel enclosure securely, connect incoming and outgoing three-phase conductors to the line and load terminals, and verify the switch is in the OFF position before energizing. Always de-energize upstream circuits before working.
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Common applications for SQUARESQUARE Products
3G Electric supplies SQUARE non-fusible safety switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
