Eaton 1MTB2000RCRIS Riser Box - UL Listed, NEMA 3R
Part Number: 1MTB2000RCRIS
Quick Summary
Eaton main terminal box is a robust power distribution unit designed for high-capacity industrial riser applications. For engineers facing space constraints and complex wiring, this unit consolidates feeders and simplifies code-compliant terminations. The model 1MTB2000RCRIS features a copper bus, 2000 A amperage rating, and a NEMA 3R enclosure, with UL Listed certification to support reliable operation in both overhead and underground installations. This solution delivers fast installation, reduced wiring errors, and scalable performance, making it ideal for demanding electrical rooms, mining, and processing facilities. By emphasizing rugged construction and easy maintenance, it also supports long-term total cost of ownership with compatible feeder arrangements and top/bottom feed options.
Product Information
Extended Description
1MTB2000RCRIS Eaton: Eaton main terminal box, Riser box, Riser box, 2000A, Copper, NEMA 3R, Overhead/underground, Three-wire, Single-phase, 120/240V, (16) 750 kcmil
Product Name
Eaton main terminal box
Catalog Number
1MTB2000RCRIS
UPC
786689015244
Product Length/Depth
32.88 in
Product Height
60.14 in
Product Width
17.39 in
Product Weight
250 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 Listed
Type
Riser box
Amperage Rating
2000A
Bus material
Copper
Feed type
Top/bottom
Phase
Single-phase
Voltage rating
120/240 V
Wire size
#2–750 kcmil
Enclosure
NEMA 3R
Number of wires
3
Feature: High current capability with a 2000 A amperage rating and copper bus. Business Impact: Lower impedance and robust fault handling translate to improved voltage stability and system reliability in large feeders. Application: Suitable for industrial facilities, data centers, and processing plants where heavy loads must be distributed with minimal loss. Feature: NEMA 3R enclosure for indoor/outdoor use. Business Impact: Enhanced protection against weather, dust, and moisture reduces maintenance cycles and downtime. Application: Ideal for outdoor installations and exposed environments in overhead or underground riser configurations. Feature: Top/bottom feed design. Business Impact: Flexible wiring routes simplify installation, shorten commissioning times, and improve accessibility for future expansion. Application: Utility-grade and plant-wide power distribution where space constraints vary by project. Feature: Copper bus material. Business Impact: Superior conductivity and mechanical strength support high current transfer with reduced heating, driving long-term energy efficiency. Application: Heavy-duty feeders in mining, metalworking, and process plants. Feature: Wide wire-size range (#2–750 kcmil). Business Impact: Accommodates large feeders without multiple terminations, lowering labor and inventory costs. Application: Large facilities requiring scalable conductor capacity and simplified procurement. Feature: UL Listed certification and Eaton warranty. Business Impact: Ensures regulatory compliance and predictable service life, lowering risk for procurement and installation teams. Application: Project approvals, maintenance planning, and long-term asset management.
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FAQs
The 1MTB2000RCRIS is designed with top and bottom feed options to simplify routing in mixed environments. Begin by securing the enclosure in a compliant, accessible location, connect conductors using the #2–750 kcmil range to the copper bus, and follow the UL Listed installation instructions to ensure proper grounding, enclosure sealing, and routing for both overhead and underground feeders.
Yes. The unit is specified for 120/240 V single-phase operation and uses a copper bus for high-current distribution. Ensure conductor sizing aligns with the 750 kcmil maximum and comply with local electrical codes, including proper fuse protection and clear labeling for single-phase feeders.
The riser box supports wire sizes from #2 up to 750 kcmil and accommodates three wires in a three-wire system. This configuration suits large feeders and main distribution needs while delivering secure, low-impedance connections through the copper bus.
Yes. The 1MTB2000RCRIS carries UL Listed certification and uses a NEMA 3R enclosure, providing protection against weather and corrosion suitable for outdoor use and mixed indoor/outdoor applications in riser configurations.
Eaton provides a one-year warranty from installation or eighteen months from shipment, per policy 25-000. Regular inspection of connections, enclosure integrity, and bus terminations, plus adherence to Eaton’s recommended maintenance schedule, help maximize uptime and asset life.