Eaton IZMX-SR230AD-1 NRX Spring Release - UL Listed
Part Number: IZMX-SR230AD-1
Quick Summary
Eaton IZMX-SR230AD-1 NRX spring release is a compact release kit designed for motor protection circuits in industrial control panels. Engineers face challenges with nuisance trips and inconsistent release timing across varying supply conditions, which this unit helps mitigate through a unified 208-250 Vac/dc rating and a 50 to 60 Hz operating range. UL Listed certification supports safer installations and code compliance in critical applications, while the universal NRX frame simplifies replacement across multiple Eaton devices. The kit’s straightforward installation and compact footprint reduce field downtime and inventory complexity, enabling faster panel upgrades and scalable protection strategies. It's a practical choice for maintenance teams pursuing reliable protection with predictable maintenance intervals.
Product Information
Extended Description
IZMX-SR230AD-1 Eaton: Eaton Power Defense ICCB spring release, 208-250 Vac/dc, 50/60 Hz, Universal frame, PXR
Product Name
Eaton Series NRX spring release
Catalog Number
IZMX-SR230AD-1
UPC
786685997865
Product Length/Depth
8.75 in
Product Height
2 in
Product Width
4 in
Product Weight
1.75 lb
Certifications
UL Listed
Type
208/240 Vac/Vdc Spring Release Assy Kit
Voltage rating
208-250 Vac/dc
Trip Type
T253
Frame
Universal
Frequency rating
50 to 60 Hz
Accessories
Spring release
Series
Series NRX
Feature → Business Impact → Application: The NRX universal frame enables quick cross-compatibility with a broad family of Eaton protective devices, reducing spare part diversity and simplifying stocking for protection schemes in switchgear and motor control centers. This translates to faster commissioning and lower downtime during upgrades or retrofits in manufacturing lines and process plants. Application: suitable for panel builders upgrading motor protection with minimal rework, especially where 208-250 Vac/dc supplies are common. Feature → Business Impact → Application: The 208/240 Vac/Vdc spring release type delivers consistent trip behavior (T253), which minimizes mis-trips and guards against unexpected shutdowns, improving process reliability in conveyors, fans, and pumps. Application: ideal for discrete manufacturing and material handling where uptime is critical. Feature → Business Impact → Application: UL Listed certification provides confidence for safety reviews and electrical code compliance, reducing the risk profile for control panels and enabling smoother audits. Application: utility and facility engineers integrating this kit into new builds or retrofits. Feature → Business Impact → Application: Compact dimensions (8.75 in L, 4 in W, 2 in H) and a light weight (1.75 lb) support easy field installation and retrofit in crowded enclosures, lowering labor time and risk during service. Application: retrofits in compact motor control centers and panelboards where space is at a premium. Feature → Business Impact → Application: Included spring release accessory simplifies on-site maintenance and reduces the need for separate parts shopping, delivering a faster turnaround during service windows. Application: preventative maintenance programs and scheduled replacements for NRX-based protection schemes.
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FAQs
To install IZMX-SR230AD-1, verify compatibility with the NRX universal frame, ensure the catalog number matches IZMX-SR230AD-1, and confirm the voltage rating of 208-250 Vac/dc and 50-60 Hz. Use the included spring release and follow Eaton’s mounting guidelines to maintain proper clearance and secure connections for reliable operation.
Expect consistent release timing with a T253 trip type across 208-250 Vac/dc supplies and a 50-60 Hz range. The device is UL Listed, supporting safety and compliance in industrial control panels. Its universal frame and compact footprint aid in predictable protection without nuisance tripping, improving overall system reliability.
Yes. The 208-250 Vac/dc rating and 50-60 Hz compatibility cover typical HVAC and pump motor protection scenarios within industrial environments. Its universal NRX frame supports integration with multiple Eaton protective devices, enabling coordinated protection strategies in these systems while maintaining code compliance.
The IZMX-SR230AD-1 is UL Listed, offering recognized safety certification for use in industrial control panels and assemblies. While it is designed for reliable protection and straightforward installation, always verify local electrical codes and project requirements to ensure full compliance with your specific application.
ROIs come from reduced downtime, fewer nuisance trips, and simpler stocking due to the NRX universal frame compatibility. The kit’s compact form factor and included spring release minimize field labor during installation and maintenance, contributing to lower maintenance costs and faster deployment in panel upgrades.