The 9240 Low Voltage Precision Power Shunt - VPG targets demanding DC energy systems

By Nora Whitfield, ad hoc news B2B & Pro Desk. Reviewed July 04, 2026, 6:56 PM ET. Details in the imprint.

The 9240 Low Voltage Precision Power Shunt from VPG sits on a dull gray DC busbar, its copper terminals slightly warm to the touch after a long day of testing, quietly translating hundreds of amps into a few millivolts for the monitoring system in a utility lab rack.

What the 9240 shunt does

VPG’s 9240 Low Voltage Precision Power Shunt is a dedicated current-sensing component designed for low-voltage, high-current DC applications such as battery energy storage systems, industrial power supplies, and backup power infrastructures. The device provides a precisely known resistance so that system designers can measure current indirectly via the small voltage drop that appears across its terminals.

In practical terms, an engineer bolts the 9240 shunt into the main DC path and routes a pair of sense leads back to a measurement circuit or controller, allowing accurate monitoring of load or charge currents without inserting an electronic sensor into the primary power path. This approach remains favored by many energy and industrial OEMs because of its robustness, simplicity, and predictable thermal behavior under sustained high load.

Design, ratings and use cases

The 9240 Low Voltage Precision Power Shunt belongs to VPG’s line of power shunts engineered for systems carrying substantial DC currents, frequently in the hundreds of amps range, with continuous operation over wide temperature spans. These shunts typically use carefully alloyed resistive elements combined with robust mechanical construction so they maintain a stable resistance value even as they heat up under load.

In a battery storage container or industrial UPS room, the shunt tends to be mounted close to busbars or battery terminals, often near other copper hardware that develops a noticeable metallic smell and heat haze during heavy charge or discharge cycles. VPG’s datasheets emphasize low thermal drift and long-term stability, two attributes that matter when operators expect accurate readings over thousands of operating hours.

Why US energy and industrial buyers care

For US-based integrators building battery energy storage systems or DC-backed data centers, a power shunt like the 9240 sits at the intersection of safety compliance and revenue protection. Accurate current measurement underpins billing, efficiency monitoring, and early detection of abnormal conditions such as cell imbalance or unexpected load growth. A shunt that drifts significantly with temperature or age can skew these readings, potentially leading to misconfigured protection thresholds or miscalculated charge cycles.

Vishay Precision Group sells its precision shunts through authorized distributors serving North American industrial and energy customers, with product selection handled through technical catalogs and application support. In a typical workflow, a US design engineer will cross-compare multiple shunt models by current rating, resistance value, and thermal behavior, then validate their choice using VPG’s published performance curves and mechanical drawings.

Pricing, distribution and integration

Specific US dollar list pricing for the 9240 Low Voltage Precision Power Shunt depends on resistance rating, current capacity, and order volume, with larger projects often negotiated through distribution or directly with VPG’s sales teams. For investors, what matters more than the price of an individual shunt is the volume potential in sectors such as battery storage, backup power infrastructure, and heavy industrial automation, where dozens or hundreds of shunts may be deployed per site.

Systems integrators typically source the 9240 and other shunts via industrial electronics distributors carrying VPG’s catalog, bundling them with contactors, breakers, and monitoring equipment. From a physical standpoint, the shunt fits into the DC bus layout with bolted connections, and then low-voltage sense leads run to metering devices or PLC input modules, creating a neat division between high-power circuitry and measurement electronics.

VPG context and stock angle

Vishay Precision Group, known simply as VPG in its branding, positions its precision shunts alongside strain gauges, load cells, and other high-accuracy sensors serving industrial, energy, and infrastructure markets. In company materials, CEO Ziv Shoshani frequently highlights the strategic role of sensing components as hardware enablers for long-term trends such as electrification and grid-scale storage.

For US investors, the 9240 Low Voltage Precision Power Shunt is a small but telling example of how VPG’s niche components can aggregate into meaningful revenue across the energy, test and measurement, and industrial automation segments, feeding into the broader performance of VPG stock (NYSE: VPG).

This article was AI-assisted and editorially reviewed. Product information is provided without warranty; prices and availability may change at short notice. Not investment advice and not a buy or sell recommendation. Securities trading carries risks up to total loss.