Eaton DH227FDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH227FDK
Quick Summary
The Eaton DH227FDK heavy duty fusible safety switch isolates power in industrial electrical systems for service entrances. Continuous downtime and arc-flash risk eat into productivity; this unit reduces both with a rugged NEMA 12/3R enclosure and Class L fusing. Key certifications include UL Listed, NEC 230.62 barrier compliance, and a NEMA 12/3R enclosure rating, underscoring suitability for mission-critical protection. Designed for service entrance use with neutral or ground lug kits, it supports safe, compliant power distribution with scalable horsepower ratings. In practice, engineers appreciate the enhanced visible blade for quick status verification and the sturdy galvanized steel enclosure that withstands harsh plant environments. This aligns with maintenance teams seeking predictable lifecycle costs and fast installation.
Product Information
Extended Description
DH227FDK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 800 A, NEMA 12/3R, Painted galvanized steel, Class L, Two-pole, Two-wire, 240 V, Max Hp: 100, 250 hp (3PH @ Std fuse/time delay), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH227FDK
UPC
782113589763
Product Length/Depth
71.75 in
Product Height
14.25 in
Product Width
25.38 in
Product Weight
170 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
UL Listed
Catalog Notes
Suitable for service entrance use with a neutral or ground lug kit installed. Hp ratings apply only when neutral is field installed and switch is used on a grounded B phase system.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class L
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
100, 250 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 800 A amperage rating with two-pole, 240 V operation. Business Impact: Delivers robust protection for large motor loads and essential feeders, enabling code-compliant isolation while minimizing voltage drop. Application: Motor feeders and high-current service entrances in manufacturing facilities. Feature: Enhanced visible blade for quick status checks. Business Impact: Improves maintenance efficiency and reduces downtime by enabling rapid verification of switch status during setup and servicing. Application: Routine inspections in control rooms and outdoor installations. Feature: Class L fuse provision with fusible without neutral configuration. Business Impact: Provides selective coordination and controlled fuse‑time characteristics, lowering arc energy and improving system reliability. Application: Critical loads with bundled protection where neutral is not required. Feature: NEMA 12/3R enclosure with painted galvanized steel. Business Impact: Provides environmental protection against dust, moisture, and corrosion, extending service life in demanding facilities. Application: Indoor mechanical rooms and outdoor protected spaces. Feature: Service entrance compatibility with neutral or ground lug kit. Business Impact: Enables flexible installation for new builds or retrofit projects while maintaining compliance. Application: Facility service disconnects and main lugs in plant electrical rooms. Feature: UL Listed and NEC barrier-compliant design. Business Impact: Eases regulatory approvals and reduces commissioning time by meeting critical safety standards. Application: Utility-rated service disconnects and factory installations across industrial plants. Feature: Generous footprint and dimensions (71.75 in L x 25.38 in W x 14.25 in H) with 170 lb weight. Business Impact: Offers solid physical protection and stable mounting for high‑duty applications, reducing vibration-related wear. Application: Wall- or pad-mounted disconnection in service entrances and control panels.
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FAQs
The DH227FDK is designed for service entrances and is suitable for use with neutral or ground lug kits installed. Its two-pole, 800 A configuration at 240 V supports large feeders while maintaining compliance with NEC barriers. This makes it a practical choice for new builds or retrofit projects requiring robust isolation and flexible grounding options.
Key specs include an 800 A amperage rating, 240 V voltage rating, two poles, and a Class L fuse configuration. It supports up to 250 hp for 3-phase circuits with standard fuse/time-delay settings. The enclosure is rated NEMA 12/3R, offering solid environmental protection and UL Listed safety certification for reliable operation.
Yes. It is designed for service entrance use, featuring a compliant NEC barrier, UL Listed certification, and a NEMA 12/3R enclosure. Its robust construction and service-entrance compatibility simplify installation in plant electrical rooms or outdoor protected spaces where reliable disconnect and isolation are essential.
The DH227FDK carries UL Listed certification and NEC 230.62 barrier compliance. It uses a NEMA 12/3R enclosure to meet environmental protection requirements, and the catalog notes confirm suitability for service entrances with neutral or ground lug kits, aligning with typical industrial regulatory expectations.
Deploying the DH227FDK delivers improved safety and reliability, with reduced downtime due to enhanced visible blade indicators and robust protection for high-current motor loads. The component supports compliant, scalable power distribution, lowering lifecycle costs through longer service intervals and faster maintenance workflows.