Eaton DH221NDKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH221NDKW
Quick Summary
The Eaton DH221NDKW heavy duty fusible safety switch is designed for panel and industrial control applications. It helps prevent downtime by combining fuse protection with a rugged enclosure, simplifying wiring and maintenance. UL Listed certification, NEC 230.62 (C) compliant barrier, and a NEMA 12/3R enclosure support safe, code-compliant installations. This model also suits 240V two-pole configurations with fusible-with-neutral design, delivering predictable protection for industrial equipment and control panels.
Product Information
Extended Description
DH221NDKW Eaton: HD, 2P, 240V, 30A, Fusible w/Neut, NEMA 12/3R Safety Switch
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH221NDKW
UPC
782116961887
Product Length/Depth
16.5 in
Product Height
8.31 in
Product Width
9.12 in
Product Weight
15 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
HEAVY DUTY SAFETY SWITCH (HDSS)
Enclosure
NEMA 12, NEMA 3R
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Switch type 2
Heavy duty
Type
Heavy duty fusible safety switch
Amperage Rating
30A
NEMA rating
NEMA 12/3R
Protection
Fusible
Voltage rating
240V
Product Category
HEAVY DUTY, FUSIBLE WITH NEUTRAL
Feature → Two-pole, fusible with neutral configuration enables precise circuit protection and a dedicated neutral path. Business Impact → This minimizes fault current paths and simplifies wiring harness design, reducing installation errors and service time. Application → Ideal for 240V motor drives, sensing circuits, and panel feeders in manufacturing lines. Paragraph 2: Feature → NEMA 12, NEMA 3R enclosure provides rugged protection against dust, moisture, and corrosion. Business Impact → Extends service life in harsh environments and reduces enclosure-related downtime. Application → Suitable for indoor and outdoor installations including washdown areas and dusty factory floors. Paragraph 3: Feature → UL Listed and NEC 230.62 (C) compliant barrier. Business Impact → Aligns with strict safety codes and insurer expectations, lowering compliance risk. Application → Required in regulated facilities such as packaging lines, food & beverage processing, and critical process controls. Paragraph 4: Feature → 30A amperage rating and 240V voltage rating deliver reliable overload protection for common industrial equipment. Business Impact → Reduces nuisance trips and unplanned outages, enabling predictable production cycles. Application → Suitable for feeders to fans, conveyors, and hydraulic systems in mid-size machinery. Paragraph 5: Feature → Fusible with neutral design supports selective protection and simplifies fuse replacement. Business Impact → Improves maintenance efficiency, lowers spare parts inventory, and reduces downtime during fuse changes. Application → Useful in devices requiring neutral conductors and quick fuse replacements in service panels. Paragraph 6: Feature → Heavy duty construction and HDSS catalog notes; compatibility with neutral-enabled fusing facilitates quick installation. Business Impact → Streamlines installation in restricted spaces, minimizes assembly time, and improves overall uptime. Application → Works well in retrofit projects and new builds for efficient protective switching.
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FAQs
Plan for a two-pole, 240V layout with a fusible neutral path and allocate clearance for a 16.5 in depth, 9.12 in width, and 8.31 in height enclosure. Ensure mounting on a suitable panel or compartment that supports NEMA 12/3R protection and allows for easy fuse access.
Yes. The unit is rated for 240V and 30A, with fusible protection and a neutral connection, suitable for typical industrial feeders and motor control circuits.
It carries UL Listed certification and NEC 230.62 (C) compliant barrier, ensuring safety compliance for code-required installations.
Yes. The enclosure is rated NEMA 12 and NEMA 3R, providing dust, moisture, and corrosion resistance suitable for indoor and some outdoor or washdown-adjacent applications.
The fusible-with-neutral design reduces wiring complexity, lowers spare parts inventory for fuses, and minimizes downtime during maintenance, contributing to improved uptime and predictable operating costs.