The CUTLER & HAMMER DH321NRK is a 30 Amp, 240 Volt, 3-pole fusible safety switch with NEMA 3R rating designed for heavy-duty power distribution applications. This DH series disconnect switch features an enhanced visible blade single-throw mechanism and a painted galvanized steel enclosure. It uses Class H fuses with neutral and has a four-wire configuration.
NEMA 3R rating ensures protection against rain and sleet for outdoor or indoor use.
Enhanced visible blade single-throw mechanism
Painted galvanized steel enclosure
Product Highlights
Heavy duty fusible safety switch with NEMA 3R rating for reliable performance in commercial and industrial settings.
Product Information
Standard Information
Brand: CUTLER & HAMMER
Manufacturer Part Number: DH321NRK
Country of Origin: United States
Technical Specifications
Catalog Number
DH321NRK
UPC
782113205373
Product Length/Depth
16.5 in
Product Height
16.27 in
Product Width
9.5 in
Certifications
UL Listed
Product Type
Fusible safety switch
Enclosure
3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number of poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Wire size
#14-2 AWG Cu/Al
Amperage Rating
30A
HP rating - max
1.5, 3/ 3, 7.5/ 5 hp (1,3PH @Std/TD, 250 Vdc)
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Manufacturer
Eaton
Brand
Eaton
Category
Switch
Item Subcategory
Disconnect
Family
DH Series
Voltage
240
Amperage
30
Phase
3
Poles
3
AIC rating
100kA@240V
Fuse Class
R
Configuration
Single
Switch Style
Fusible
Nema Rating
NEMA 1
Compatible Frames
THKM
Product Series
DH
Description
Eaton Enhanced visible blade single-throw safety switch, 30 A, NEMA 3R, Painted galvanized steel, Class H, Fusible with neutral, Three-pole, Four-wire, 240 V, Max Hp: 1.5, 3/ 3, 7.5/ 5 hp 1,3PH Std/TD, 250 Vdc, 14-2 Cu/Al
Switch Type
Heavy Duty
Fusible
Yes
Fuse Type
H, R
Neutral
Yes
Composition
Metallic
Approvals
CUL, UL
Net Weight
14.1 lbs
Gross Weight
20 lbs
Applications
Commercial / Institutional Buildings / Structures - Power Distribution and Controls