Eaton Safety Switch General Du...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$170.23
$127.13

Eaton Safety Switch General Duty Cartridge Fuse 30A Three-Pole 240V NEMA 1 Class H Fusible with Neutral

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Model: DG321NGB

In Stock (leaves warehouse same day if ordered before 3pm ET)

$170.23
$127.13
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Eaton Safety Switch General Duty Cartridge Fuse 30A Three-Pole 240V NEMA 1 Class H Fusible with Neutral

Professional Electrical Disconnect and Protection Equipment

The Eaton General Duty Cartridge Fuse Safety Switch delivers exceptional electrical disconnect and overcurrent protection performance for commercial and industrial electrical systems. This 30A three-pole safety switch provides reliable electrical isolation and fuse protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Protection Performance

  • 30 Ampere Rating - Provides reliable current capacity for medium-duty electrical loads with professional-grade overcurrent protection
  • Three-Pole Configuration - Ensures complete three-phase electrical isolation with simultaneous disconnect of all hot conductors
  • 240V Voltage Rating - Designed for standard commercial and light industrial electrical distribution systems
  • Class H Fuse Compatibility - Accommodates standard Class H cartridge fuses for proven overcurrent protection and easy replacement

Professional Installation & Safety

  • NEMA 1 Enclosure - Indoor general purpose enclosure provides protection against accidental contact with live parts
  • Painted Steel Construction - Durable enclosure material ensures long-lasting performance in commercial environments
  • Fusible with Neutral Design - Four-wire configuration includes neutral disconnect for complete electrical isolation

Technical Specifications

Amperage Rating: 30A, Voltage Rating: 240V, Number of Poles: Three-pole, Number of Wires: 4, Enclosure: NEMA 1, Enclosure Material: Painted steel, Fuse Class: Class H fuses, Configuration: Fusible with neutral, Dimensions: 10.69" H x 6.38" W x 6.88" D, Weight: 6 lb, Certifications: UL Listed, Product Category: General duty safety switch

Installation & Usage

  1. Verify electrical system is de-energized and follow proper lockout/tagout procedures before installation
  2. Mount safety switch securely to appropriate electrical enclosure or panel using proper mounting hardware
  3. Connect incoming line conductors to line terminals following NEC wiring requirements and local electrical codes
  4. Install appropriate Class H cartridge fuses matching the load requirements and electrical system specifications
  5. Connect load conductors to load terminals ensuring proper wire sizing and torque specifications
  6. Verify proper neutral connection for four-wire configuration and complete electrical isolation capability

Professional Applications

Ideal for:

  • Commercial Electrical Systems - Motor control centers, lighting panels, and general power distribution applications
  • Industrial Power Distribution - Machine disconnect switches, equipment isolation, and maintenance safety applications
  • HVAC Equipment Protection - Air conditioning units, ventilation systems, and heating equipment disconnect requirements
  • Pump and Motor Applications - Water pumps, conveyor systems, and general motor control installations
  • Electrical Panel Feeders - Sub-panel disconnects and electrical distribution system isolation points
  • Maintenance Safety Systems - Equipment servicing disconnects and electrical safety compliance applications
  • Code Compliance Applications - NEC required disconnect switches for electrical equipment and machinery
  • Emergency Disconnect Systems - Quick electrical isolation for safety and emergency shutdown procedures

General Duty Design Advantage

Eaton's general duty safety switch design provides reliable electrical disconnect performance with Class H fuse protection, offering cost-effective overcurrent protection for standard commercial and light industrial applications. The painted steel NEMA 1 enclosure ensures durability while the three-pole configuration with neutral provides complete electrical isolation for enhanced safety during maintenance and servicing operations.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers professional-grade safety switches that meet the demanding requirements of electricians, electrical contractors, and facility professionals worldwide. Our UL Listed safety switches provide reliable electrical protection and isolation, backed by Eaton's commitment to electrical safety standards and proven performance in commercial and industrial electrical systems.



EAT-DG321NGB - spec sheet

Manufacturer Resources

Product Specs

Amperage Rating:
30A
Catalog Notes:
Maximum hp ratings apply only when dual element fuses are used
Certifications:
UL Listed
Enclosure:
NEMA 1
Enclosure Material:
Painted steel
Fuse Class Provision:
Class H fuses
Fuse Configuration:
Fusible with neutral
Number Of Poles:
Three-pole
Number Of Wires:
4
Product Category:
General duty safety switch
Product Height:
10.69 in
Product Length Depth:
6.88 in
Product Type:
Safety Switch
Product Weight:
6 lb
Product Width:
6.38 in
Voltage Rating:
240V
Product Group:
Electrical
Department:
Electrical

Eaton DG321NGB – Frequently Asked Questions

How fast can I get the Eaton DG321NGB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton DG321NGB come with a warranty?
Absolutely. The Eaton DG321NGB is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton DG321NGB?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Eaton DG321NGB from ZenSupply?
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