Square D D221NRB Safety & Disconnect Switch – 2 Pole – 30A – 240VAC – Fusible – General Duty – E Series – Class R Fuses

The Square D D221NRB is a general-duty safety and disconnect switch designed for reliable isolation and protection of electrical circuits in residential, commercial, and light industrial applications. Manufactured by Schneider Electric under the Square D brand, it provides a durable and economical solution for safely disconnecting power to equipment such as lighting systems, air conditioning units, and appliances.

This 2-pole, 30A fusible disconnect switch is rated for 240VAC operation and supports Class R fuses for enhanced short-circuit protection up to 100kA at 240V. It is part of the Square D E-series, known for compact design and ease of installation in standard electrical enclosures.

Built for safety and long service life, the D221NRB ensures secure circuit isolation and dependable performance in general-duty electrical systems.

Specifications

• Brand: Square D
• Manufacturer: Schneider Electric
• Part Number: D221NRB
• Series: D (E-Series)
• Type: Safety & Disconnect Switch
• Configuration: 2 Pole
• Phase: 1 Phase
• Current Rating: 30A
• Voltage Rating: 240VAC
• Duty Rating: General Duty
• Fusibility: Fusible (Class R Fuses)
• Interrupt Rating: 100kA @ 240V
• Contactor Type: Lighting / General Load Disconnect
• UPC: 785901460589
• GTIN: 00785901460589

Construction Features

• Compact E-series safety switch design
• Fusible disconnect with Class R fuse compatibility
• High interrupting capacity for enhanced protection
• Durable enclosure-ready construction
• Simple handle operation for safe isolation
• Designed for general-duty applications

Applications

• Air conditioning units (HVAC systems)
• Lighting circuits
• Residential and commercial appliances
• Small motors and branch circuits
• General electrical isolation
• Service entrance disconnects (light duty)

Certifications & Standards

• UL Listed
• CSA Certified
• Designed to meet NEC safety requirements
• Square D / Schneider Electric approved design

Returns are easy

You may return items within 30 days of delivery for a refund.

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