Eaton NFMI2D Mechanical Interlock - UL Listed
Part Number: NFMI2D
Quick Summary
NFMI2D mechanical interlock secures NRX NF frame drawout breakers in industrial panels. Engineers face accidental removal and mis-wiring during maintenance—this interlock prevents those risks. UL Listed certification supports safety compliance, while NF frame compatibility enables straightforward retrofits. Designed for NRX systems, it improves safety, reliability, and uptime, with compatibility across the Eaton ecosystem. Facility managers benefit from faster maintenance cycles and reduced risk of panel damage, while procurement teams gain a dependable, standard interlock option. The 1-year warranty and UL Listed status further support long-term reliability and predictable total cost of ownership. With a compact footprint, NFMI2D integrates into existing cabinets without heavy modification.
Product Information
Extended Description
NFMI2D Eaton: Eaton Series NRX mechanical interlock, Drawout breaker, NF Frame, Two-Way Cable
Product Name
Eaton Series NRX mechanical interlock
Catalog Number
NFMI2D
UPC
786676013154
Product Length/Depth
2.25 in
Product Height
9 in
Product Width
4.5 in
Product Weight
4.5 lb
Warranty
1 year
Certifications
UL Listed
Catalog Notes
NF frame, drawout only.
Circuit breaker type
Drawout
Frame
NF
Accessories
Mechanical interlock
Series
Series NRX
Feature: NRX NF frame mechanical interlock. Business Impact: prevents accidental drawout removal and ensures safe maintenance sequencing. Application: ideal for NF frame NRX drawout installations in industrial facilities. Feature: Drawout breaker compatibility. Business Impact: simplifies retrofits and minimizes field modifications. Application: integrates with existing NF NRX systems for quick, safe interlock deployment. Feature: Compact dimensions and reasonable weight. Business Impact: reduces panel footprint and handling risk during installation. Application: beneficial in crowded control cabinets and retrofit projects. Feature: UL Listed certification. Business Impact: supports regulatory compliance and safer procurement. Application: procurement, audits, and safety programs in electrical protection and circuit control. Feature: 1-year warranty and clear catalog notes. Business Impact: lowers total cost of ownership and provides service assurances. Application: long-term reliability in mission-critical systems.
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FAQs
Begin by confirming NF frame compatibility and the NRX drawout configuration. Mount the interlock to align with the breaker handle, route the two‑Way cable per Eaton’s installation guide, and verify the interlock engages before attempting a drawout. Secure all fasteners to spec, then test the mechanism in both locked and unlocked states to confirm proper operation before commissioning.
Key specs include Catalog Number NFMI2D, Product Name Eaton Series NRX mechanical interlock, Frame NF, Circuit breaker type Drawout, Dimensions 2.25 in (D) Ă— 9 in (H) Ă— 4.5 in (W), Weight 4.5 lb, Warranty 1 year, Certifications UL Listed, and Catalog Notes NF frame, drawout only. These details guide compatibility checks and installation planning in NF NRX panel applications.
Yes, NFMI2D is designed to improve safety in industrial electrical panels where NF NRX drawout breakers are used. Its mechanical interlock prevents accidental removal and mis-operation, which is crucial in processes with strict uptime and safety requirements. Ensure the panel design accommodates the NF frame and consult Eaton’s datasheet for specific environmental guidance.
The NFMI2D interlock carries UL Listed certification, which supports electrical safety compliance and procurement approvals. While other certifications such as SIL, CE, or IP ratings are not listed in the provided data, UL Listing is a recognized baseline for electrical protection components used in industrial environments.
The NFMI2D interlock reduces maintenance errors and the risk of accidental breaker removal, which translates to lower downtime and safer service windows. The 1-year warranty adds service confidence and predictable support costs. In practice, customers see improved maintenance efficiency, safer panel access, and a more consistent, compliant maintenance workflow.