Eaton IZMX-MIL-3133C-W40-2 Mechanical Interlock Kit - UL Listed
Part Number: IZMX-MIL-3133C-W40-2
Manufacturer
Eaton
Part number
IZMX-MIL-3133C-W40-2
Quick Summary
The Eaton IZMX-MIL-3133C-W40-2 mechanical interlock is a purpose-built interlock solution for NRX series drawout breakers in control panels. It removes the risk of unintended breaker withdrawal by mechanically locking the breaker handle until the interlock is released, reducing misoperation during maintenance. UL Listed certification supports safety compliance, while the RF frame compatibility ensures the kit fits Eaton's drawout assemblies with the Series NRX lineup. Note that additional regional certifications (such as SIL, CE, or IP ratings) are not listed here and should be confirmed for your application. For businesses, this integration translates to safer operations, lower incident-related downtime, and smoother maintenance workflows in industrial environments where drawout breakers are routine.
Product Information
Extended Description
IZMX-MIL-3133C-W40-2 Eaton: Eaton Power Defense ICCB mechanical interlock, Drawout breaker, RF Frame, Type 31 and 33 Cable
Product Name
Eaton Series NRX mechanical interlock
Catalog Number
IZMX-MIL-3133C-W40-2
UPC
786685983332
Product Length/Depth
9 in
Product Height
2.25 in
Product Width
4.5 in
Product Weight
11 lb
Warranty
One year factory warranty issued from date of shipment from repair center
Certifications
UL Listed
Type
Mechanical interlock kit
Circuit breaker type
Drawout
Frame
RF
Accessories
Mechanical interlock
Mounting Method
DRAWOUT
Series
Series NRX
Feature: NRX series mechanical interlock kit provides a dedicated interlock solution for NRX drawout breakers. Business Impact: Improves operator safety and reduces inadvertent withdrawal events, which translates to lower maintenance risk and less unplanned downtime in industrial control panels. Application: Ideal for panel builders and service teams integrating Eaton NRX drawout breakers in RF-frame installations. Feature: RF frame compatibility ensures correct physical fit with Eaton drawout assemblies. Business Impact: Simplifies installation, minimizes misalignment, and speeds commissioning. Application: Useful for manufacturers retooling switchgear or upgrading existing control panels. Feature: Mounting Method DRAWOUT and included mechanical interlock accessory simplify retrofits. Business Impact: Cuts installation time and labor costs while preserving code-compliant interlocks. Application: Suitable for retrofit projects in compact panel spaces. Feature: Product dimensions and weight (9 in length, 4.5 in width, 2.25 in height, 11 lb) support precise panel budgeting. Business Impact: Enables accurate enclosure planning and reduces space-related design changes. Application: Helps design engineers plan drawer clearance and mounting room. Feature: Warranty and certification (One year factory warranty; UL Listed) provides assurance against manufacturing defects and safety compliance. Business Impact: Improves total cost of ownership and supports procurement with verifiable standards. Application: Ideal for procurement teams focusing on durable, compliant interlocks in critical systems.
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FAQs
The IZMX-MIL-3133C-W40-2 is designed for DRAWOUT mounting on Eaton NRX drawout breakers within RF frames. Verify enclosure clearance for a 9 inch depth, 4.5 inch width, and 2.25 inch height. Align interlock components with the breaker handle to ensure full engagement, and follow the manufacturer’s installation guidelines to maintain UL Listed safety compliance.
Confirm Catalog Number IZMX-MIL-3133C-W40-2, Frame RF, Type mechanical interlock kit, Mounting Method DRAWOUT, and Series NRX. The unit weighs 11 lb and carries UL Listed certification. Ensure the interlock accessory is compatible with your specific NRX drawout breaker model and that mounting hardware matches the RF frame configuration.
The interlock ships UL Listed and is designed for safe operation with NRX drawout breakers on RF-frame assemblies. The data does not specify IP rating or SIL/CE certifications, so assess environmental requirements first. For harsh or conductive environments, consider enclosure protection and confirm customer-specific regulatory compliance before deployment.
The IZMX-MIL-3133C-W40-2 is UL Listed, providing basic safety certification for electrical interlocks. The data does not list additional certifications such as SIL, CE, or IP ratings. Verify regional compliance requirements with your safety team or Eaton documentation to ensure full conformity for your installation site.
The interlock comes with a one-year factory warranty issued from the date of shipment from the repair center, offering protection against manufacturing defects. For maintenance, rely on standard preventive checks, confirm interlock movement and alignment during routine panel servicing, and log any performance issues with Eaton support to maximize uptime and safety.