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3G Electric
SQUARE D D221N Fusible Safety Switch - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D D221N Fusible Safety Switch

<p>The SQUARE D D221N is a robust fusible safety switch designed for reliable disconnection and protection in single-phase AC circuits up to 240V. Rated at 30A, this indoor unit features a galvanized steel enclosure…

SKU 3G-OTH-25075

Brand
SQUARE D
Item
D221N Fusible Safety Switch
Part Number
D221N
Category
Fusible Safety Switches
Available to Order
Also known as:D221NSQUARE D
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
D221N
Type
30 A, Single Phase, Galvanized Steel, Indoor
AC
240V

Technical Documents

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The SQUARE D D221N is a robust fusible safety switch designed for reliable disconnection and protection in single-phase AC circuits up to 240V. Rated at 30A, this indoor unit features a galvanized steel enclosure for durability in industrial environments. As a genuine SQUARE D product (MPN: D221N), it meets the quality standards expected in commercial and light industrial applications.</p><p>Ideal for electricians, contractors, and facility maintenance teams, this switch provides a safe means of isolating equipment during maintenance or emergency shutdown. For procurement in Singapore, 3G Electric offers SGD quotes on request, handles GST for local buyers, and ensures fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the key specifications of the SQUARE D D221N?

The SQUARE D D221N is a 30A, single-phase fusible safety switch rated for 240V AC. It has a galvanized steel enclosure and is designed for indoor use.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and Southeast Asia.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems
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SQUARE 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.

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