Eaton DH361NDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH361NDK
Quick Summary
The Eaton DH361NDK heavy duty fusible safety switch safely disconnects three‑phase power for industrial electrical distribution up to 600 V. This design helps minimize downtime by enabling safe isolation during maintenance and reducing arc-flash exposure for technicians. UL Listed, NEC 230.62 barrier compliant, and NEMA 12/3R enclosure ratings ensure code compliance and durable protection in demanding environments. This solution also supports field modifications to meet rainproof needs (NEMA 3R) and pairs well with medium‑voltage motor control applications, delivering robust protection with straightforward installation and ongoing reliability.
Product Information
Extended Description
DH361NDK Eaton: Eaton Heavy duty single-throw fused safety switch, 30 A, NEMA 12/3R, Painted galvanized steel, Class H, Fusible with neutral, Three-pole, Four-wire, 600 V, Max Hp: 7.5, 10/ 15, 20 hp (1/3PH @480, 600 V), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH361NDK
UPC
782113205731
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
7.73 in
Product Weight
22 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
Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened
Enclosure
NEMA 12, NEMA 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
7.5, 10/ 15, 20 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature: Three‑pole, four‑wire configuration with fusible switch and neutral. Benefit: Safe, reliable isolation for three‑phase loads with clean control wiring, reducing fault propagation and enabling straightforward machine protection in industrial motor circuits. Application: Ideal for 3‑phase motors and power distribution panels in manufacturing lines. Long‑tail keywords: three‑pole fusible safety switch, four‑wire safety switch, three‑phase motor protection.Feature: Class H fuse provision with fusible with neutral. Benefit: Strong overcurrent protection that matches motor start-up currents while preserving circuit integrity and safety margins. Application: Upstream protection for equipment rated up to 30 A with neutral return paths. Long‑tail keywords: Class H fuse, fusible with neutral, motor protection class H.Feature: NEMA 12 and NEMA 3R enclosure. Benefit: Dust, splash, and weather resistance on indoor and select outdoor sites, lowering maintenance frequency and extending service life. Application: Plant floors, service bays, and controlled outdoor installations. Long‑tail keywords: NEMA 12 enclosure, NEMA 3R rainproof capability, rugged safety enclosure.Feature: Wiring and physical specs: 4 wires, #14‑2 Cu/Al, dimensions 10.22 in × 19.08 in × 7.73 in, weight 22 lb. Benefit: Compact footprint with versatile wiring options supports easy field installation and serviceability. Application: Fits standard switchgear layouts and retrofit projects. Long‑tail keywords: #14‑2 wiring, compact fusible switch, field wiring flexibility.Feature: HP rating and voltage: 30 A, 7.5/10/15/20 hp (1/3PH @480, 600 V); 600 V rating. Benefit: Aligns with common motor size ranges and industrial drives, enabling scalable protection for evolving production lines. Application: Medium‑sized motors and control circuits in manufacturing. Long‑tail keywords: horsepower rating 20 hp, 600 V motor protection, industrial control switch.
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FAQs
The DH361NDK is a three‑pole, four‑wire fusible safety switch rated for up to 600 V, making it suitable for three‑phase motor circuits and control wiring in industrial power distributions. Its NEMA 12/3R enclosure supports indoor installation with reliable protection, while factory notes allow field adaptations for rainproof needs when required.
This switch delivers a 30 A amperage rating with a Class H fuse provision and a fusible with neutral configuration. The HP rating reaches up to 20 hp (1/3PH @ 480/600 V), with a 600 V maximum voltage rating, enabling protection for medium‑sized motors and connected loads in typical plant layouts.
The unit features a NEMA 12 enclosure rated for indoor use and a catalog note permitting field modification to meet NEMA 3R rainproof requirements when a drain hole is opened. This provides flexibility to accommodate outdoor installations or damp environments while maintaining protection against dust and splashing.
The DH361NDK is UL Listed and complies with NEC 230.62 barrier requirements. It uses a rugged NEMA 12/3R enclosure, and field modification options support outdoor use under defined conditions, helping meet safety and electrical code requirements for industrial facilities.
Eaton provides a warranty under policy 25‑000: one year from installation or eighteen months from shipment, whichever occurs first. Regular maintenance should focus on fuse integrity, enclosure cleanliness, and ensuring drain holes remain properly sealed if field modifications were performed to achieve NEMA 3R rainproofing.