Eaton NFMI32F Mechanical Interlock - CE Marked
Part Number: NFMI32F
Quick Summary
Eaton NFMI32F mechanical interlock provides safe, interlocked operation for NF frame fixed breakers in NRX switchgear. Mis-operations during panel servicing slow startups and jeopardize safety; this interlock prevents unintended breaker movements. CE Marked with third-party ABS, DNV GL, KEMA, and Lloyd's Register certifications ensures global compliance and reliability. For control panel buyers, it pairs with NRX to deliver safer, compliant protection and faster installation. Engineers value the reliable operation out of the NFMI32F across harsh industrial environments, supporting predictive maintenance and uptime. The compact dimensions and 7 lb weight simplify retrofits and panel space planning for new builds today globally.
Product Information
Extended Description
NFMI32F Eaton: Eaton Power Defense ICCB mechanical interlock, Fixed breaker, NF Frame, Two-Way Cable Type 32
Product Name
Eaton Series NRX mechanical interlock
Catalog Number
NFMI32F
UPC
786685673332
Product Length/Depth
9 in
Product Height
2.25 in
Product Width
4.5 in
Product Weight
7 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.
Compliances
CE Marked SABA Listed CCC Marked
Certifications
ABS Certified DNV GL Certified KEMA Certified Lloyd's Register Certified
Type
Type 32 fixed
Circuit breaker type
Fixed
Frame
NF
Accessories
Mechanical interlock
Series
Series NRX
Type 32 fixed mechanical interlock is the core feature delivering reliable interlocking for NF frame fixed breakers in the NRX family. This mechanism prevents inadvertent movement of the handle unless the correct operating conditions are met, reducing misoperation during start-up, maintenance, and panel checks. Applied to NF frame panels, it supports correct sequencing for essential protection circuits and aligns with industry practices for safe lockout-tagout procedures. Two‑Way Cable Type 32 compatibility enables bidirectional actuation from either side of the enclosure, accommodating diverse panel layouts. By preserving interlock integrity and minimizing additional cabling, the design shortens commissioning time and lowers wiring errors during installation. This makes NFMI32F well-suited for retrofit projects and new builds in automation environments that rely on NRX interlocks for safety-critical control. Compliance and certifications underpin global deployment, with CE Marked plus ABS, DNV GL, KEMA, and Lloyd's Register recognized in risk assessments and supplier audits. The certification suite provides regulatory assurance for offshore, onshore, and marine applications, enabling procurement teams to demonstrate conformity across markets. These credentials support ongoing maintenance programs and facilitate compliance audits across multiple sites. Compact footprint and sturdy construction translate to tangible field advantages: 9 in length, 4.5 in width, 2.25 in height, and 7 lb shipped weight. The small form factor simplifies panel layout, improves wiring density, and reduces housing changes during retrofits. For panel builders, this means faster installation, fewer enclosure modifications, and predictable thermal performance in enclosed switchgear. Warranty and service terms are defined in Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. The warranty cadence aligns with common MRO cycles and supports maintenance planning, helping maintenance teams minimize downtime. End users also benefit from documented serviceability and access to compatible NRX accessories such as mechanical interlocks.
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FAQs
NFMI32F is a Type 32 fixed mechanical interlock designed for the NF frame in the Eaton NRX family. It uses a two‑way cable Type 32 to manage interlocking and aligns with the NRX line for straightforward mounting, consistent with other NRX accessories. This makes retrofits and upgrades predictable and reduces integration risk.
The interlock prevents breaker operation unless the correct handle position is engaged, eliminating inadvertent throws during maintenance. In practice, this reduces lockout-tagout errors, improves operator safety, and supports safer commissioning and routine testing in high-availability plants.
NFMI32F carries CE Marked status and is SABA Listed, with additional certifications including ABS, DNV GL, KEMA, and Lloyd's Register. These credentials support global procurement, regulatory audits, and compliance requirements for industrial, marine, and offshore applications, enabling cross-border deployments with confidence.
The interlock occupies 9 inches of depth, 4.5 inches in width, and 2.25 inches in height, with a 7 lb shipped weight. It fits NF frame fixed breakers in the NRX family and uses a two‑way cable Type 32, enabling flexible panel layouts and simpler retrofits while maintaining thermal and electrical performance.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning, reduces risk of unplanned downtime, and ensures access to replacement interlock components and technical support for NRX installations.