Eaton DCU2102URM DC Disconnect - UL 98B/NEC 690
Part Number: DCU2102URM
Quick Summary
The DC disconnect provides safe isolation for 60 A solar circuits up to 1000 Vdc in rugged outdoor installations. Engineers often struggle with risky fuse blocks and inaccessible shutoffs when servicing PV systems. UL 98B and NEC 690 compliance through UL 1741 provide clear safety boundaries, while a UL 1741 cross-reference supports installation. Designed for solar deployments, it reduces wiring complexity, minimizes maintenance downtime, and helps meet code-driven project timelines. Ideal for heavy-duty DC protection, NEMA 3R enclosures, and ungrounded configurations in PV stations.
Product Information
Extended Description
DCU2102URM Eaton: Eaton Heavy duty DC disconnect, 60 A, NEMA 3R, Painted galvanized steel, Non-fusible, Ungrounded, #14-#2 AWG lug capacity, #14-#2 AWG solid return, 2, DC photovoltaic applications, Rating:1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2102URM
UPC
786685558035
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
12.88 in
Product Weight
40 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
Catalog Notes
Not all configurations for ampere rating and number of circuits are available. All circuit configurations can be found in the product dimension tables.
Type
DC disconnect/ungrounded system
Amperage Rating
60 A
Number of circuits
2
Ground
Ungrounded
Protection
Non-fusible
Application
Solar
Main lug wire size
#14-#2 AWG lug capacity, #14-#2 AWG solid return
System voltage
1000 VDC
Voltage rating
1000 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
The DCU2102URM delivers a two-circuit, 60 A heavy-duty DC disconnect, enabling direct isolation of two solar strings with a single device. This reduces wiring clutter, simplifies field wiring, and speeds commissioning on new installations. With a 1000 Vdc rating, it supports utility-scale and commercial PV projects while maintaining a compact footprint suitable for service rooms and outdoor equipment yards. Ungrounded, non-fusible design enhances safety during maintenance and aligns with common PV topologies, reducing arcing risk and facilitating straightforward external protection schemes. The NEMA 3R, painted galvanized steel enclosure provides excellent outdoor weather resistance, lowering corrosion-related maintenance costs and enabling reliable rooftop or yard deployments. The unit accepts #14-#2 AWG lugs with solid returns, supporting flexible wiring and simple retrofits. A durable construction, UL 98B/NEC 690 compliance, and a one-year Eaton warranty further bolster project timelines and total cost of ownership.
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FAQs
DCU2102URM supports two circuits at 60 A with #14-#2 AWG lug capacity, suitable for two-string solar configurations up to 1000 Vdc. It’s non-fusible and ungrounded, designed for common PV topologies, and works well in outdoor environments protected by a NEMA 3R enclosure. Always verify dimension tables for your specific string layout and conductor routing.
This unit is rated under UL 98B and NEC 690 per UL 1741, ensuring compliance for PV DC protection and safe operation in solar installations. Adhering to these standards supports risk reduction, code compliance, and smoother project approvals, especially for commercial and utility-scale deployments.
Yes. The NEMA 3R weather-resistant enclosure and 1000 Vdc rating make it apt for outdoor rooftop and ground-mounted PV sites. Ungrounded and non-fusible construction simplifies maintenance isolation, while the robust steel enclosure withstands outdoor exposure; ensure proper mounting and clearance per installation guidelines.
The product carries Eaton’s warranty of one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance includes verifying enclosure integrity, terminal connections, and ensuring lugs remain securely torqued. For extended reliability, follow the dimension tables and installation notes to maintain proper environmental sealing and mechanical integrity.
The unit offers a 10.22 in depth, 12.88 in width, and 19.08 in height footprint with an approximate weight of 40 lb. It supports #14-#2 AWG lugs and solid returns, enabling flexible field wiring and straightforward configuration changes while preserving mechanical protection and service access.