Eaton IZMX-ST48DC-1 Shunt Trip Assy - UL Listed
Part Number: IZMX-ST48DC-1
Quick Summary
Eaton IZMX-ST48DC-1 shunt trip provides fast remote tripping for industrial switchgear and control panels. Operators often struggle with nuisance trips and slow responses that threaten uptime and safety, especially in high-demand process environments. UL Listed certification underpins dependable protection, while the NRX compatibility aligns with Power Defense ICCB configurations for scalable protection across panels. The solution also supports 24-48 Vdc control circuits and universal mounting, helping OEMs and contractors standardize installations. By delivering precise trip actuation with minimal footprint, it reduces wiring complexity and retrofit risk, enabling faster commissioning and consistent protection across facilities.
Product Information
Extended Description
IZMX-ST48DC-1 Eaton: Eaton Power Defense ICCB shunt trip, 48 Vdc Shunt Trip Assy Kit – PXR, Power Defense ICCB, Universal, 24-48 Vdc, PXR, 50-60 Hz
Product Name
Eaton Series NRX shunt trip
Catalog Number
IZMX-ST48DC-1
UPC
786685997735
Product Length/Depth
8.75 in
Product Height
2 in
Product Width
4 in
Product Weight
1.75 lb
Certifications
UL Listed
Type
48 Vdc Shunt Trip Assy Kit – PXR
Voltage rating
24-48 Vdc
Trip Type
T253
Frame
Universal
Frequency rating
50 to 60 Hz
Accessories
Shunt trip
Series
Series NRX
Feature: 24-48 Vdc voltage rating and 50-60 Hz compatibility ensure the unit works with most control circuits found in modern industrial equipment. Business impact: this eliminates the need for adapters or rewiring, reducing installation time and potential wiring errors while improving system reliability. Application: ideal for Eaton NRX Power Defense ICCB configurations where remote tripping must synchronize with centralized controls and safety interlocks. Feature: Universal frame and compact footprint measure 8.75 in long, 4 in wide, and 2 in high, with a weight of 1.75 lb. Business impact: simplifies field mounting, lowers enclosure modification costs, and enables rapid swap-ins during panel upgrades. Application: compatible with standard NRX switchgear and compatible control panels used in process automation and machine builders. Feature: Trip Type is defined as T253, delivering precise tripping characteristics under specified conditions. Business impact: delivers predictable fault isolation, supporting safety strategies and regulatory compliance in critical processes. Application: ideal for machine safety interlocks and power distribution protection in manufacturing lines. Feature: UL Listed certification provides confidence in electrical safety and performance under recognized standards. Business impact: supports procurement and compliance workflows, reducing vendor qualification time and accelerating approvals. Application: suitable for global facilities and regulated industries where UL compliance is a prerequisite. Feature: Accessories include the shunt trip option as part of the kit, leveraging the Series NRX architecture and PXR designation. Business impact: enables seamless integration with existing NRX ICCB assemblies, minimizing compatibility gaps and spare parts inventory. Application: practical for retrofit projects and new builds requiring a universal shunt trip kit in power protection schemes. Feature: 24-48 Vdc Shunt Trip Assy Kit – PXR is designed for Power Defense ICCB system architecture, offering consistent performance in 50-60 Hz environments. Business impact: reduces downtime risk during protective events by delivering timely, remotely actuated shutdown. Application: suitable for industrial control panels, switchgear cabinets, and panel boards in energy, process, and packaging sectors.
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FAQs
IZMX-ST48DC-1 uses a universal NRX frame design, aligning with Power Defense ICCB assemblies. Its 8.75 in length, 4 in width, and 2 in height simplify retrofit projects, while the 24-48 Vdc input accommodates common control circuitry. Confirm enclosure space and mounting provisions prior to installation to ensure clean wiring routing and service access.
The device is a 24-48 Vdc shunt trip assembly rated for 50-60 Hz operation. It uses a defined Trip Type of T253, providing predictable actuation under established fault conditions. This combination supports reliable remote shutdowns in NRX-based protection schemes.
Yes, IZMX-ST48DC-1 is UL Listed, indicating it has been evaluated for electrical safety and performance under recognized standards. This aids procurement, accelerates approvals in regulated facilities, and supports customer QA requirements when integrating into control panels and switchgear systems.
This shunt trip assy is designed for industrial control panels, NRX switchgear, and Power Defense ICCB configurations. It enables remote tripping in power distribution and process equipment, improving safety interlocks and reducing downtime during protection events in manufacturing and packaging environments.
Ensure compatibility with 24-48 Vdc control circuits and verify mounting clearances for the universal NRX frame. Route wiring to the shunt trip accessory without sharp bends, maintain strict polarity if required, and confirm 50-60 Hz supply. Proper torque on mounting hardware and prompt wiring verification reduce commissioning time and prevent mis-trips.