Eaton IZMX-ST230AD-1 Shunt Trip - 208-250 Vac/dc
Part Number: IZMX-ST230AD-1
Quick Summary
Eaton IZMX-ST230AD-1 Shunt Trip provides rapid overcurrent shutdown for electrical protection in motor control centers and switchgear. Installers often struggle to coordinate tripping devices across mixed 208-250 Vac/dc systems, risking delayed or incomplete shutdowns. UL Listed safety certification underpins compliance across standard industrial panels, while its universal frame enables flexible mounting and quick retrofits. This combination supports faster panel design, safer shutdowns, and lower total cost of ownership for industrial controls, with improved downtime protection and streamlined maintenance planning. Secondary benefits include compatibility with NRX series components and reliable integration into existing control circuits for enhanced protection across plants.
Product Information
Extended Description
IZMX-ST230AD-1 Eaton: Eaton Power Defense ICCB shunt trip, 208-250 Vac/dc, 50/60 Hz, Universal frame, PXR
Product Name
Eaton Series NRX shunt trip
Catalog Number
IZMX-ST230AD-1
UPC
786685997711
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 Shunt Trip Assy Kit – PXR
Voltage rating
208-250 Vac/dc
Trip Type
T253
Frame
Universal
Frequency rating
50 to 60 Hz
Accessories
Shunt trip
Series
Series NRX
Voltage rating of 208-250 Vac/dc enables direct integration with common MCC and switchgear supplies, reducing wiring complexity and stocking variants. This translates to shorter installation times and fewer field substitutions, which lowers labor costs and accelerates commissioning in new builds or retrofits. The universal frame supports a wide range of mounting configurations, enabling quicker retrofits and easier upgrades without replacing entire enclosures, reducing downtime and capital expenditure for system upgrades. Trip Type T253 provides predictable, code-compliant response to control signals, delivering consistent isolation of energized circuits and supporting safer startup/shutdown sequences in manufacturing lines. The NRX series shunt trip and included accessories simplify control wiring, enabling straightforward integration with alarms, PLCs, and safety interlocks, which improves surveillance and fault reporting. UL Listed certification underpins safety and compliance across industrial panels, giving procurement teams confidence in supplier quality and reducing supplier audits. Compact dimensions and a robust 1.75 lb weight result in straightforward installation within tight control panels, contributing to reduced enclosure depth and improved space utilization across machines and facilities.
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FAQs
The IZMX-ST230AD-1 is designed for a universal frame, aligning with standard NRX products. It fits typical switchgear and MCC panels and matches common enclosure depths, widths, and mounting patterns. Its dimensions (8.75 in depth, 4 in width, 2 in height) and weight (1.75 lb) support straightforward mounting, wiring, and quick retrofits in existing control panels without extensive rework.
This shunt trip operates at 208-250 Vac/dc with a 50/60 Hz rating and uses the T253 trip type for deterministic activation. It’s part of the Series NRX and includes a shunt trip accessory. These specs ensure reliable remote tripping for motor control centers and switchgear, enabling fast isolation in emergency or fault conditions.
Yes. The device is designed for MCCs and switchgear, offering a universal frame and 208-250 Vac/dc compatibility. Its integration with NRX components supports standardized protection schemes, reducing wiring complexity and enabling consistent trip coordination across multiple MCC bays and panel sections.
The IZMX-ST230AD-1 is UL Listed, confirming adherence to recognized safety standards for electrical protection devices. This certification provides confidence to engineers and procurement teams that the component meets essential safety requirements, supports regulatory compliance, and facilitates audit readiness for industrial facilities.
With a compact footprint, universal mounting, and a simple shunt-trip wiring approach, maintenance needs are minimal and downtime during upgrades is reduced. The UL Listed safety certification and robust NRX integration help prevent unexpected outages, lowering total cost of ownership by improving mean time between failures and accelerating commissioning in new builds or panel retrofits.