Eaton DCU2064UWM DC disconnect - UL 98B/NEC 690
Part Number: DCU2064UWM
Quick Summary
DC disconnects provide safe isolation for solar arrays, and the Eaton DCU2064UWM delivers rugged, ungrounded system protection. In outdoor or harsh industrial spaces, environmental resistance and reliable performance are non-negotiable, yet space and wiring flexibility often complicate installations. This unit leverages a 304 stainless steel enclosure with a NEMA 4X rating to withstand weather, dust, and corrosion while maintaining accessibility for maintenance. Certifications such as UL 98B and NEC 690 per UL 1741 ensure code compliance and safety, giving engineers confidence in field applications. By combining 200 A capacity, 600 VDC rating, and a compact footprint, it supports scalable solar DC protection with straightforward wiring and serviceability, reducing downtime and total cost of ownership.
Product Information
Extended Description
DCU2064UWM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,200A,NEMA 4X,Grade 304 stainless steel,Non-fusible,Ungrounded,LC: In 300 MCM-#6 out 300 MCM-#6. SR: in 300 MCM-#6 out 300 MCM-#6. EG: in #4-#14 AWG out 1/0-#14,600 Vdc,2
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2064UWM
UPC
786685625188
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
16.54 in
Product Weight
45 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.
Certifications
UL 98B NEC 690 per UL 1741
Type
DC disconnect/ungrounded system
Amperage Rating
200 A
Number of circuits
2
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
Main lug wire size
LC: In 300 kcmil-#6 out 300 kcmil-#6. SR: in 300 kcmil-#6 out 300 kcmil-#6. EG: in #4-#14 AWG out 1/0-#14
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Feature: 200 A, 2 circuits capability enables scalable solar DC protection for mid-size PV installations. Impact: Supports larger arrays and simplifies upstream protection design, reducing the need for multiple disconnects. Application: Ideal for solar DC protection in commercial and industrial photovoltaic systems. Feature: Non-fusible, ungrounded design reduces complex fault-path scenarios and simplifies lockout/tagout procedures. Impact: Improves maintenance safety and fault isolation efficiency. Application: Outdoor solar arrays with strict safety protocols. Feature: NEMA 4X enclosure with 304 stainless steel construction provides superior corrosion resistance and weather sealing. Impact: Extends equipment life in harsh environments, lowering replacement costs. Application: Outdoor rooftop and ground-mount PV systems. Feature: Wide main lug wiring compatibility (LC, SR, EG) supports large feeders and diverse conductor sizes. Impact: Streamlines installation and reduces custom wiring needs. Application: PV systems using 300 kcmil-#6 or equivalent conductors. Feature: 600 VDC maximum voltage and 600 VDC system voltage per pole enable safe operation across common solar strings. Impact: Ensures compliance with PV system standards and reduces over-voltage risk. Application: Solar installations with high-voltage DC strings. Feature: UL 98B, NEC 690 per UL 1741 certifications and NEMA 4X rating provide regulatory alignment and site readiness. Impact: Enhances project approval speed and long-term reliability. Application: Industrial and utility-scale solar projects. Feature: Comprehensive dimensions and weight (35.38 in L, 16.54 in W, 11.63 in H, 45 lb) support planning and shipping. Impact: Facilitates space planning and logistics, reducing installation surprises. Application: Field deployment and retrofit projects. Feature: Warranty coverage (one year from installation or 18 months from shipment) provides built-in risk mitigation. Impact: Protects initial investment and supports maintenance budgeting. Application: Asset management and service planning.
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FAQs
The DCU2064UWM supports LC in 300 kcmil-#6 out 300 kcmil-#6, SR in 300 kcmil-#6 out 300 kcmil-#6, and EG in #4-#14 AWG out 1/0-#14, offering versatile connection choices for large PV feeders and mixed conductor types.
This product is UL 98B and NEC 690 per UL 1741 certified, with a NEMA 4X enclosure that provides weather resistance and protection for outdoor solar installations.
Yes. The DCU2064UWM uses a 304 stainless steel enclosure with a NEMA 4X rating, designed for outdoor use and corrosion resistance in harsh environments.
The unit is rated for 200 A and up to 600 VDC per pole, making it suitable for mid to large solar DC strings and ungrounded system configurations.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever occurs first, covering manufacturing defects and workmanship.