DTU466R - 600A Safety Switch

DTU466R - 600A Safety Switch

Replacing a large safety switch takes more than matching the label amperage. You need the right switching arrangement, the right enclosure, and enough room for a proper installation. The Square D DTU466R 600 Amp Double-Throw Safety Switch is designed for commercial and industrial electrical systems that require a 600 Amp, four-pole disconnect with a 600V AC rating.

What makes the DTU466R different from an ordinary disconnect is its double-throw design. It lets a connected load switch between two power sources through a manually operated mechanism. That distinction matters when you're maintaining equipment with an existing source-selection arrangement. The switch is also non-fusible, meaning it doesn't contain fuses for overcurrent protection. Any required overcurrent protection must be provided elsewhere in the electrical system.

Key Features and Benefits

• 600 Amp Current Rating
• 600V AC Voltage Rating
• 250V DC Rating
• 4-Pole, 4-Wire Configuration
• Double-Throw Switching
• Non-Fusible Design
• Manual Power Source Selection
• NEMA Type 3R Enclosure
• Surface-Mount Installation
• Enclosed Operating Mechanism

Technical Specifications

• Part Number: DTU466R
  
• Manufacturer: Square D / Schneider Electric
  
• Product Category: Safety Switch
  
• Switch Type: Double-Throw
  
• Disconnect Type: Non-Fusible
  
• Number of Poles: 4
  
• Wire Configuration: 4-Wire
  
• Amperage Rating: 600 Amps
  
• AC Voltage Rating: 600V AC
  
• DC Voltage Rating: 250V DC
  
• Enclosure Rating: NEMA Type 3R
  
• Mounting Type: Surface Mount
  
• Height: 63.76 inches
  
• Width: 27.0 inches
  
• Depth: 8.88 inches
  
• Dimensions (H × W × D): 63.76 × 27.0 × 8.88 inches (using supplied dimensions)
  

Material Compliance and Certifications

The DTU466R is a Square D safety switch manufactured by Schneider Electric. Manufacturer information identifies the model as UL- and CSA-certified, with construction and performance meeting or exceeding applicable NEMA KS1 requirements.

Its NEMA Type 3R enclosure provides protection appropriate for certain outdoor environments, including exposure to rain and sleet when installed correctly. That doesn't make it watertight or suitable for every location, so you still need to verify the installation environment.

Where It Works Best

• Commercial Electrical Distribution Systems
• Industrial Electrical Installations
• Manual Power Source Selection
• Existing Double-Throw Switch Replacement
• Manufacturing Facilities
• Facility Electrical Maintenance
• Indoor and Suitable Outdoor Installations
• Large Electrical Equipment Disconnect Applications