DG321NRB - 30 Amp Safety Switch

DG321NRB - 30 Amp Safety Switch

The DG321NRB Safety Switch is a 30-amp, 3-pole disconnect switch designed for applications that require a reliable way to disconnect power for equipment servicing and maintenance. Rated for 240 volts and housed in a NEMA 3R enclosure, this safety switch is commonly installed in commercial buildings, industrial facilities, outdoor equipment locations, and other environments where weather resistance is important.

In everyday use, safety switches like the DG321NRB provide a simple way to isolate electrical equipment before maintenance work begins. Whether you're connected to HVAC equipment, pumps, motors, compressors, or other three-phase loads, having a properly rated disconnect helps keep servicing procedures straightforward and consistent with the original system design.

For contractors and maintenance personnel, replacing an existing safety switch is often about matching the specifications already in place. The DG321NRB is commonly selected when a project calls for a 30-amp, 3-pole, 240V safety switch with a NEMA 3R enclosure. Its configuration makes it suitable for a variety of installed electrical systems where maintaining equipment compatibility is the primary objective.

You'll often find switches like this in outdoor installations, manufacturing facilities, utility areas, and mechanical equipment locations where a local disconnect is required.

Key Features and Benefits

• 30-amp safety switch
• 3-pole configuration
• Rated for 240-volt applications
• NEMA 3R enclosure for outdoor and weather-resistant installations
• Provides a visible means of disconnect for electrical equipment
• Suitable for commercial and industrial electrical systems
• Commonly used for equipment isolation during maintenance and servicing
• Compatible with a variety of three-phase applications
• Helps maintain existing system specifications during replacement projects
• Built to last in properly maintained installations
  

Technical Specifications

• Part Number: DG321NRB
  
• Product Type: Safety Switch
  
• Amperage Rating: 30 Amps
  
• Voltage Rating: 240 Volts
  
• Number of Poles: 3
  
• Enclosure Rating: NEMA 3R
  
• Application: Power Disconnect and Equipment Isolation
  
• Dimensions:
  • Height: 6.88 in.
  • Width: 6.38 in.

Material Compliance and Certifications

The DG321NRB safety switch should be installed and maintained by qualified electrical personnel in accordance with applicable electrical codes, manufacturer recommendations, and site-specific safety requirements. Compatibility with the intended application, voltage rating, conductor sizing, and equipment requirements should be verified before installation.

Where It Works Best

The DG321NRB is commonly used in:

• Commercial electrical systems
• Industrial facilities
• Outdoor electrical installations
• HVAC disconnect applications
• Motor control systems
• Pump and compressor circuits
• Equipment service disconnect locations
• Manufacturing facilities
• Utility and infrastructure projects
• Maintenance and replacement projects requiring a compatible 30A safety switch

When a project calls for a 30-amp, 3-pole safety switch with a NEMA 3R enclosure, the DG321NRB provides the ratings and configuration needed for many existing installations. Its combination of outdoor suitability, disconnect functionality, and three-pole design makes it a practical option for maintaining electrical systems while preserving the original application requirements.