Square D D222N General Duty Fusible Safety Switch, NEMA 1 with Neutral

Square D D222N General Duty Fusible Safety Switch, NEMA 1 with Neutral

The Square D D222N General Duty Fusible Safety Switch by Schneider Electric is built for residential and light commercial applications where durability and economy are top priorities. This fusible disconnect switch is rated 240V AC with a NEMA 1 enclosure for indoor use and includes a neutral for common lighting, air conditioning, and appliance loads. This platform is available in 2-pole and 3-pole configurations, letting installers match the switch to single-phase or three-phase circuit requirements while sharing the same rugged quick-make, quick-break mechanism and UL Listed construction (File E2875) across the family. It delivers dependable over-current and short-circuit protection in a compact, easy-to-service package suitable for panelboard and feeder disconnects.

Key Features

• Fusible Disconnect Switch: Single-throw safety switch with a quick-make, quick-break operating mechanism for safe, reliable switching, available in 2-pole and 3-pole configurations.
• Operational Voltage: Rated 240V AC for general duty residential and commercial circuits.
• Short-Circuit Current Rating: Up to 100 kA maximum depending on installed fuse class H, K, or R.
• Motor Horsepower Ratings: 25 HP at 240V AC, 60 Hz for 3-phase motors and 15 HP at 240V AC, 60 Hz for 1-phase motors.
• Wire Range: Accepts AWG 6...250 kcmil aluminum or copper conductors via lug connections, with a tightening torque of 275 lbf.in.
• With Neutral: Includes a neutral connection for 4-wire circuit configurations.
• Enclosure Rating: NEMA 1 enclosure suited for general duty indoor installations.
• Application: Designed for residential and light commercial use including lighting, air conditioning, and appliance circuits.

Certifications & Compliance

• UL Listed, File E2875
• NEMA 1 Rated Enclosure
• Designed for Residential and Commercial Applications

Technical Specifications

• Number of Poles Available: 2, 3
• Voltage Rating: 240V
• Connection Type: Lugs
• Warranty Period: 18 months
• Average Life Duration: 15 year(s)
• Mercury Free: Yes
• Toxic Heavy Metal Free: Yes
• Sustainable Packaging: Yes
• Returnability: Yes

Typical Applications

• Residential Electrical Service Disconnects
• Light Commercial Power Distribution
• Air Conditioning and Appliance Circuit Protection
• Lighting Load Disconnects
• Panelboard and Feeder Over-Current Protection

Why Square D?

Square D safety switches from Schneider Electric combine a quick-make, quick-break operating mechanism with UL Listed construction to deliver dependable over-current and short-circuit protection for residential and light commercial electrical systems. With a NEMA 1 enclosure, a wide AWG 6...250 kcmil wire range, and motor horsepower ratings suited to both single-phase and three-phase loads across the 2-pole and 3-pole D222N family, this general duty fusible safety switch is engineered for code-compliant, professional-grade performance backed by an 18-month warranty.