Eaton DG321NRB-CSA General Duty Safety Switch - CSA
Part Number: DG321NRB-CSA
Quick Summary
Eaton general duty cartridge fuse safety switch provides reliable overload protection for control panels in industrial environments. Manufacturers often struggle with nuisance trips, mis-sizing, and maintenance challenges during panel upgrades. CSA certified, NEC 230.62 barrier compliant, and a NEMA 3R enclosure ensure safety, reliability, and weather resistance in both indoor and outdoor installations. This solution combines robust 30 A protection with 240 V operation and fusible-with-neutral wiring to simplify circuit protection. Designed for general duty safety switch applications, it aligns with common feeder configurations, reduces downtime, and supports scalable integration in industrial control systems. A solid choice for engineers seeking compliant, cost-effective fuse protection in modern electrical protection and circuit control environments.
Product Information
Extended Description
DG321NRB-CSA Eaton: Eaton General duty cartridge fuse safety switch, 30 A, NEMA 3R, Painted galvanized steel, Class H fuses, Fusible with neutral, Three-pole, Four-wire, Category: general duty safety switch, 240 V
Product Name
Eaton general duty cartridge fuse safety switch
Catalog Number
DG321NRB-CSA
UPC
786685226712
Product Length/Depth
11.29 in
Product Height
10.81 in
Product Width
7.25 in
Product Weight
6 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
CSA Certified
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
General duty, cartridge fused
Amperage Rating
30A
Fuse class provision
Class H fuses
Voltage rating
240V
Product Category
General duty safety switch
Special features
CSA certified
Feature: NEMA 3R enclosure and painted galvanized steel construction. Business Impact: Provides weather resistance and corrosion protection, reducing maintenance needs and extending service life in exposed installations. Application: Outdoor equipment housings and protected indoor panels exposed to dust, humidity, or rain. Feature: Three-pole, four-wire configuration with fusible neutral. Business Impact: Simplifies wiring schemes and ensures a reliable neutral return path, minimizing installation errors and startup delays. Application: 240 V control circuits feeding motors or actuators requiring a neutral conductor. Feature: 30A amperage rating with Class H fuses. Business Impact: Delivers precise overload protection, reduces nuisance tripping, and supports predictable downtime budgeting. Application: General duty safety switch applications in conveyors, pumps, and machine controls. Feature: CSA certification and NEC 230.62 barrier compliance. Business Impact: Enhances regulatory confidence and safety barrier integrity for installer and end-user peace of mind. Application: Industrial facilities seeking compliant protection in control panels and service entrances. Feature: Compact footprint with clear dimensions and weight. Business Impact: Facilitates easier mounting, improving installation speed and space planning. Application: Retrofit projects and new builds where enclosure size is a constraint. Feature: Warranty and support through Eaton policy. Business Impact: Provides documented coverage and easier asset lifecycle planning, reducing long-term risk. Application: Ongoing maintenance and equipment upgrades in industrial environments.
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FAQs
Install with the unit mounted in a NEMA 3R enclosure as specified, using the three-pole, four-wire configuration with fusible neutral. Ensure proper straight-through wiring and adherence to NEC 230.62 barrier requirements. Verify the 30A rating aligns with the motor or load connected and use appropriate Class H fuses.
The unit is rated for 30A at 240V, configured as a three-pole, four-wire switch with fusible neutral. It uses Class H fuses and is CSA certified, with a NEMA 3R enclosure suitable for indoor and outdoor environments, meeting NEC 230.62 barrier requirements.
Yes. The NEMA 3R enclosure and painted galvanized steel construction provide weather resistance and corrosion protection, making it appropriate for outdoor panels and exposed areas in industrial settings, while maintaining CSA certification and NEC barrier compliance.
The DG321NRB-CSA is CSA certified, adheres to NEC 230.62 barrier requirements, and features a NEMA 3R enclosure. These standards support safe operation, regulatory compliance, and reliable service in general duty safety switch applications.
The unit carries Eaton’s warranty policy (one year from installation or 18 months from shipment) and uses Class H fuses for reliable protection. Its robust enclosure and neutral-fusible design reduce downtime during maintenance and simplify component replacement in ongoing operations.