Square D D321NRB Safety Switch Fusible 30A 3P NEMA-3R 240V Replacement MPN

Product Description

The Square D D321NRB is a safety switch designed for both residential and commercial applications. This switch has a rated current of thirty amps and operates at two hundred forty volts. It is suitable as service equipment when a factory-installed neutral assembly is included. The D321NRB complies with UL standards and meets NEMA standards for general duty applications.

• Rated current: 30 amps
• Pole configuration: 3-pole
• Enclosure type: NEMA 3R

Product Highlights

This fusible disconnect switch features a robust design for reliability. It supports electrical connections with lugs that accommodate both copper and aluminum wire sizes. The surface-mounted design allows easy installation.

Product Information

Standard Information

• Catalog Number: D321NRB
• Brand: Square D

Technical Specifications

• Dimensions: 9.63 inches (H) x 7.75 inches (W) x 3.75 inches (D)
• Weight: 19.84 pounds
• Voltage: 240 volts
• Material: Steel
• Mounting Type: Surface mount
• Fuse Type: H, K or R
• Short Circuit Rating: 100 kA
• Wire Size Capacity: AWG 14 to AWG 6 for copper; AWG 12 to AWG 6 for aluminum
• Country of Origin: Mexico
• Warranty: 18 months