HU266DS - 600A Safety Switch

HU266DS - 600A Safety Switch

The Square D HU266DS heavy-duty safety switch is designed for your electrical installations that require a 600-amp, 2-pole disconnect with a 600V AC/DC rating. Manufactured by Schneider Electric, this non-fusible safety switch provides a manual way to isolate electrical equipment for maintenance, servicing, and other planned shutdowns. Its NEMA 4/4X/5 Type 304 stainless steel enclosure is intended for locations where moisture, dust, and corrosion are key concerns. That makes the HU266DS a practical option for commercial and industrial facilities, including applications with demanding environmental conditions. Built to last, its heavy-duty construction supports everyday equipment isolation without unnecessary complexity.

Key Features and Benefits

• 600 Amp Current Rating:
• 600V AC/DC Voltage Rating:
• 2-Pole Configuration:
• Heavy-Duty Non-Fusible Design:
• NEMA 4/4X/5 Stainless Steel Enclosure:
• Type 304 Stainless Steel Construction:
• Quick-Make, Quick-Break Mechanism:
• Dual Cover Interlock:
• Form, Fit, and Functional Replacement:

Technical Specifications

• Part Number: HU266DS
  
• Manufacturer: Square D / Schneider Electric
  
• Product Category: Safety Switch
  
• Product Series: Heavy Duty
  
• Switch Type: Non-Fusible, Single-Throw
  
• Current Rating: 600 Amps
  
• Voltage Rating: 600V AC/DC
  
• Number of Poles: 2
  
• Wiring Configuration: 2-Wire
  
• Enclosure Rating: NEMA 4/4X/5
  
• Enclosure Material: Type 304 Stainless Steel
  
• Mounting Type: Surface Mount
  
• Electrical Connection: Lugs
  
• Height: 46.25 inches
  
• Width: 26.25 inches
  
• Depth: 10.13 inches
  
• Maximum Short-Circuit Current Rating: 200 kA, subject to applicable installation and protection requirements
  
• Integral Fuse Protection: None
  

Material Compliance and Certifications

The HU266DS uses a Type 304 stainless steel enclosure with NEMA 4/4X/5 ratings. This construction is intended to help protect the enclosed switch against environmental conditions such as water exposure, dust, and corrosion when installed according to the manufacturer's instructions.

As part of the Square D heavy-duty safety switch family, the HU266DS is designed and tested to meet applicable UL 98 and NEMA KS 1 safety switch standards. Manufacturer product documentation identifies UL listing information under UL File E2875.

Where It Works Best

• Industrial Facilities:
• Commercial Electrical Installations:
• Moisture-Exposed Locations:
• Corrosion-Prone Environments:
• Manufacturing and Processing Areas:
• Existing Electrical System Replacements:
• Electrical Maintenance Applications: