Fused Air Conditioning Disconnect with Side Open, 30 A, 240 V

DiversiTech® DDS-30 Fused A/C Disconnect Switch – Technical Product Information

The DiversiTech® DDS-30 Fused Disconnect Switch is a heavy-duty electrical safety device engineered for air conditioning and refrigeration applications requiring secure line isolation and overcurrent protection. Rated for 240 VAC and 30 amps, the DDS-30 provides a fused pull-out design for reliable circuit protection and ease of maintenance. The disconnect features a reversible, side-opening door with full dead-front protection, ensuring compliance with service and safety requirements in both residential and light commercial installations.

Technical Specifications

• Product Code: DDS-30
• Manufacturer: DiversiTech®
• Product Type: Fused Air Conditioning Disconnect Switch
• Voltage Rating: 240 VAC
• Amperage Rating: 30 A
• Poles: Double Pole (2-Pole)
• Fuse Type: Pull-out handle design; integrated fuses for easy replacement
• Enclosure Rating: NEMA Type 3R (Rain Tight, Sleet Resistant)
• UL Listing: IRF9 (UL Listed)
• U.S. Patent: 6,630,637
• Line and Load Configuration: Aligned terminals for simplified field wiring
• Ground Terminal: Provided; accessible for secure bonding
• Door Type: Reversible side-opening door with more than 180° opening range
• Indicator Features: Integrated fuse indicator lights for quick identification of blown fuses
• Dead Front: Full internal dead-front panel for personnel protection
• Rain and Sleet Protection: Compliant with outdoor service enclosure standards
• Material: Corrosion-resistant steel housing with powder-coated finish
• Mounting: Surface mount with pre-punched keyhole slots
• Unit Dimensions: 2-5/8 in (L) x 5 in (W) x 7-1/2 in (H)
• Case Dimensions: 14 in (L) x 11 in (W) x 8-1/4 in (H)
• Operating Temperature Range: -40°F to 140°F (-40°C to 60°C)
• Applications:
  • Air conditioning condensers and compressors
  • Heat pumps and refrigeration units
  • Electrical service disconnects for HVAC systems
• Compliance: UL Listed; NEC and NEMA compliant for outdoor installations

Operational Characteristics

• Fused disconnect design provides circuit isolation and overload protection
• Pull-out handle allows safe removal of power under load-free conditions
• Reversible door permits left or right-hand installation flexibility
• Indicator lights identify open or blown fuse conditions immediately
• Line, load, and ground terminal alignment reduces installation time and wiring errors
• Constructed for outdoor durability and long-term service in HVAC environments

Professional Summary

The DiversiTech® DDS-30 Fused Disconnect Switch provides HVAC and electrical contractors with a compact, field-serviceable solution for equipment isolation and protection. Its integrated fuses, indicator lights, and reversible door design streamline installation and maintenance while ensuring code-compliant operation in exposed environments. Built with a corrosion-resistant steel housing and NEMA Type 3R rating, the DDS-30 offers reliable performance, safety, and accessibility in demanding air conditioning and heat pump applications.