Square D Heavy Duty Fusible Safety Switch, 30A, 600VAC/DC, 3-Pole, NEMA 12K

Square D Heavy Duty Fusible Safety Switch, 30A, 600VAC/DC, 3-Pole, NEMA 12K

The Square D Heavy Duty Fusible Safety Switch delivers dependable disconnect protection for demanding commercial and industrial circuits. Rated 30A at 600VAC/DC, this 3-pole, 20HP switch is housed in a NEMA 12K enclosure with knockouts and includes a Crouse-Hinds Arktite receptacle for an indoor dust and drip tight installation. Engineered with up to three times the durability of a standard switch, it is built for grueling operating conditions and is UL Listed for code-compliant performance.

Key Features

• Electrical Rating: 30A at 600VAC/DC for heavy duty circuit and motor disconnect applications.
• Pole Configuration: 3-pole design supports three-phase power distribution and disconnect.
• Horsepower Rating: 20HP rated, with motor power ratings scaling by voltage and phase per Square D specifications.
• NEMA 12K Enclosure: Indoor dust and drip tight enclosure with knockouts and a Crouse-Hinds Arktite receptacle.
• Fuse Compatibility: Accepts H or K and R or J class fuses, with short circuit current ratings of 10 kA (H or K) and 200 kA (R or J).
• Quick Make, Quick Break Mechanism: Red and black handle clearly indicates ON (red) and OFF (black) switch position.
• Wiring Configuration: 4-wire configuration for flexible circuit connections.
• Heavy Duty Construction: Fusible disconnect switch built for significantly higher durability than standard safety switches.

Certifications & Compliance

• UL Listed
• Mercury Free
• RoHS Compliant with Exemptions

Technical Specifications

• Warranty: 18 months
• Warranty Period: 18 months
• Sustainable Packaging: Yes
• Mercury Free: Yes
• Packaging Without Single Use Plastic: Yes
• ROHS Eur In Scope: Yes
• Serviceability: No
• With Recycled Cardboard: Yes
• China ROHS In Scope: No
• Return Indicator: Y
• Take Back: No
• Returnability: Yes
• Country of Origin: United States

Typical Applications

• Motor Disconnect and Overload Protection
• Commercial and Industrial Electrical Installations
• Panelboard and Switchgear Disconnect Applications
• Indoor Dust and Drip Tight Environments (NEMA 12K rated)
• Renovation and New Construction Electrical Upgrades

Why Square D?

Square D heavy duty fusible safety switches are engineered for reliability, combining UL Listed performance with mercury-free, RoHS-compliant construction. The quick make, quick break mechanism and NEMA 12K enclosure make this switch a trusted choice for professional electricians who need code-compliant disconnect protection in tough operating environments.