Eaton RFMI31D NRX mechanical interlock - UL Listed
Part Number: RFMI31D
Quick Summary
Eaton RFMI31D NRX mechanical interlock is a drawout interlock designed for safe breaker isolation in electrical switchgear. Engineers often struggle with accidental insertion or misalignment during maintenance, risking personnel safety and downtime. This UL Listed interlock supports NRX assemblies and Type 31 three‑way cable configurations, ensuring reliable operation within RF frame switchgear. By leveraging compatibility with RF frame and Series NRX, it delivers safer maintenance workflows and predictable lifecycle costs. This solution integrates seamlessly with Eaton’s safety lineage while reinforcing electrical protection and circuit control across industrial facilities.
Product Information
Extended Description
RFMI31D Eaton: Eaton Power Defense ICCB mechanical interlock, Drawout breaker, RF Frame, Three-Way Cable Type 31
Product Name
Eaton Series NRX mechanical interlock
Catalog Number
RFMI31D
UPC
786685624594
Product Length/Depth
13 in
Product Height
8.5 in
Product Width
10.5 in
Product Weight
9 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
Type 31
Circuit breaker type
Drawout
Frame
RF
Accessories
Mechanical interlock
Series
Series NRX
Eaton Specification Sheet - RFMI31D
Selling Policy 25-000 - Distribution and Control Products and Services
RFMI31D is a mechanical interlock designed for Eaton NRX drawout breakers within RF frame switchgear. The integration reduces the risk of improper breaker removal or reinsertion, delivering a tangible improvement in operator safety and maintenance reliability. In practice, this means safer access during panel servicing and fewer unplanned outages due to mis-sequenced operations. The device supports Type 31, three-way cable configurations, and is compatible with the RF frame and Series NRX line, enabling straightforward retrofit into existing installations. Installation corresponds with Eaton’s specifications, providing a clear path for compliance with industrial safety standards and warranty terms. The 13 inch depth, 8.5 inch height, and 10.5 inch width simplify enclosure planning, while the 9 pound weight aids mounting stability and reduces handling risk. In short, RFMI31D delivers measurable efficiency gains, improved fault containment, and cost-effective lifecycle support for process industries.
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FAQs
RFMI31D is designed for Eaton NRX series drawout breakers in RF frame switchgear, supporting Type 31 three‑way cable configurations and Series NRX assemblies. It fits standard drawout breaker applications and integrates with the RF frame to provide a robust safety interlock during maintenance, all backed by UL Listed certification for compliance.
Key specs include Catalog Number RFMI31D, Product Name Eaton Series NRX mechanical interlock, Type 31, Drawout circuit breaker type, RF frame, and Accessories: Mechanical interlock. Dimensions are 13 in (length) x 8.5 in (height) x 10.5 in (width) with a weight of 9 lb. Certifications include UL Listed, with warranty coverage per Eaton policy 25-000.
Yes. The RFMI31D provides safe isolation for drawout breakers in RF frame switchgear, which is critical in data centers and manufacturing plants. Its UL Listed interlock reduces misoperation risks during maintenance, helping keep critical systems online while operators perform safe servicing and configuration changes.
RFMI31D carries UL Listed certification, confirming compliance with safety standards for industrial interlocks. Warranty coverage follows Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first, to provide predictable support and minimize lifecycle costs.
Plan for compatibility with the RF frame and NRX series, confirm Type 31 three‑way cable configuration, and follow Eaton’s specification sheet RFMI31D for exact mounting procedures. Verify panel dimensions (13 in x 8.5 in x 10.5 in) and weight (9 lb) to ensure proper space and handling during retrofit or initial installation, reducing commissioning delays.