LCR Elettronica Industrial Potentiometers and Resistors

Industrial passive and motion sensing components from LCR Elettronica: precision single-turn and multi-turn potentiometers, linear transducers, thick-film power resistors and rheostats.

LCR Elettronica single-turn precision industrial potentiometers

Precision single-turn industrial potentiometers by LCR Elettronica including Vishay Spectrol 132, 138, 308, 357, P11 and P16 series. Units feature conductive plastic, cermet and wirewound tracks configured for demanding metallurgical and automation control loops.

Conductive plastic and wirewound resistive tracks across Spectrol 132 and 357
Independent linearity down to 0.1 percent with angular travel up to 340 degrees
Hermetically sealed IP67 environmental enclosure design in Spectrol PE30 line
Rugged metal housing with precision sleeve bearings ensuring long lifespan

LCR Elettronica multi-turn precision wirewound potentiometers

High-precision multi-turn potentiometers by LCR Elettronica encompassing Vishay Spectrol 533, 534, 535, 502, 830 and 860 series. Built for 3, 5 and 10 shaft revolutions, they deliver exceptional setpoint adjustment in motor control and industrial equipment panels.

Configurations across 3, 5 and 10 full shaft turns in Spectrol 533, 534 and 535
Helical wirewound track boasting ultra-low temperature resistance coefficient
Negligible equivalent noise resistance and superior setpoint repeatability
Full compatibility with precision multi-turn dials and locking mechanisms

LCR Elettronica linear conductive plastic position transducers

Linear displacement transducers from LCR Elettronica covering Vishay Spectrol 115 L and 34 L series with conductive plastic REC tracks. Featuring square and tubular profiles, they monitor stroke position in heavy presses, rolling mills and injection machinery.

Linear displacement measurement strokes extending from 25 mm up to 1000 mm
Superior independent stroke linearity down to 0.025 percent of full scale
Conductive plastic REC technology enabling infinite theoretical resolution
Articulated rod ball joints and return springs for direct machine assembly

LCR Elettronica non-contact Hall-effect rotary position sensors

Non-contact rotary angle sensors by LCR Elettronica featuring the Vishay Spectrol 981 HE family. Utilizing Hall-effect magnetic sensing, the design eliminates mechanical track wear, delivering uninterrupted feedback under intense shock, dust and vibrations.

Non-contact magnetic measurement eliminates mechanical wiper element friction
Operational rotational endurance exceeding 50 million shaft cycle movements
Ratiometric analog voltage and digital PWM output signals for controllers
Sealed rugged alloy housing tailored for off-highway vehicles and manipulators

LCR Elettronica thick-film power resistors and toroidal rheostats

High-power thick-film resistors from LCR Elettronica covering E 24, RPS 500, RPS 250, RCH, RTO 20, RTO 50, RPH 100 and RT55 rheostats. Rated from 5 W to 1100 W, they mount on cooling heatsinks across snubber circuits and inverter braking configurations.

Thermal dissipation power envelope extending from 5 W up to 1100 W ratings
Resistance values spanning from 0.3 ohm to 1 megohm with tight tolerances
Non-inductive thick-film construction suitable for rapid pulse switching
Toroidal enameled rheostat RT55 models providing smooth current trimming

LCR Elettronica wirewound medium and high power resistors

Industrial wirewound resistors from LCR Elettronica including Vishay Spectrol RH, SH, RW-MC, RSSD-MC, RA-MC, RWM, SG3 and SG4 series. Encapsulated in finned aluminum bodies and ceramic tubes, they withstand severe surge overloads across factory equipment.

Extruded aluminum finned housings across RH and SH for direct heatsink fit
Adjustable enameled wirewound tubes RSSD-MC featuring sliding tap brackets
Outstanding thermal endurance against transient surge energy inrush spikes
Cement-coated precision resistors SG3 and SG4 built for heavy duty layouts

Precision industrial potentiometers and panel controls by LCR Elettronica

Since 1980, Italian manufacturer LCR Elettronica has developed robust variable resistive components for CNC machinery, rolling mills and demanding factory automation. The product catalog spans single-turn and multi-turn precision potentiometers, cermet trimmers and mechanical dials.

In single-turn families including Spectrol 132, 138, 308 and 357, conductive plastic and precision wirewound elements ensure minimal contact noise, high rotational smoothness and stable resistance values under repetitive operator adjustments.

Multi-turn models such as Spectrol 533, 534 and 535 offering 3, 5 and 10 shaft rotations enable precise setpoint trimming in closed-loop servo drives, industrial heating units and measurement bridges.

Rugged alloy housings with precision bearings eliminate radial play, while hermetic PE30 variants rated to IP67 resist cutting fluids, metal dust and ambient workshop humidity.

Linear motion REC transducers and non-contact Hall angle sensors

For accurate position feedback across industrial automation, LCR Elettronica provides specialized displacement sensor solutions. Linear transducers across Spectrol 115 L and 34 L series utilize conductive plastic tracks based on REC technology.

This continuous resistive surface offers infinite theoretical resolution and minimal wiper drag, measuring strokes from 25 mm up to 1000 mm with an independent linearity tolerance down to 0.025 percent of full electrical range.

In equipment subject to severe vibration, shock and oil contamination, non-contact rotary position sensors from the Spectrol 981 HE line employ Hall-effect magnetic sensing.

The absence of mechanical wiper friction eliminates track wear, delivering an operational endurance exceeding fifty million rotations with ratiometric analog voltage or digital PWM output for direct controller integration.

High-power thick-film resistors and heatsink mounting assemblies

Industrial power converters and motor drives require snubber, braking and damping resistors exhibiting negligible parasitic inductance.

LCR Elettronica delivers thick-film power resistors encompassing E 24, RPS 500, RPS 250, RCH, RTO 20, RTO 50 and RPH 100 series rated from 5 W to 1100 W when installed on heatsinks.

The planar resistive film layout guarantees reliable high-frequency pulse handling and stable clamping across IGBT switching networks.

Constructed with high-conductivity oxide ceramic substrates and nickel-plated copper mounting flanges, these devices provide low thermal resistance and electrical insulation up to multiple kilovolts.

The components endure repetitive surge energy pulses during heavy inductive switching across rolling mill drives and high-power pumping stations.

Industrial wirewound power resistors and heavy duty toroidal rheostats

Severe electric motor starting, dynamic braking and current distribution regimes demand durable wirewound resistors. LCR Elettronica manufactures wirewound power components across Spectrol RH, SH, RW-MC, RSSD-MC, RA-MC, RWM, SG3 and SG4 lines.

RH and SH families feature extruded finned aluminum housings configured for direct panel or chassis mounting, facilitating thermal dissipation during continuous full-load operation.

For variable load testing and generator excitation circuits, adjustable tubular RSSD-MC resistors with movable tap collars and toroidal enameled RT55 rheostats deliver dependable adjustment.

Precision nichrome or constantan windings protected by durable vitreous enamel maintain mechanical integrity at element operating temperatures reaching several hundred degrees.

Industrial applications in machine tool engineering and metallurgy

LCR Elettronica components meet demanding industrial standards where passive or sensory component breakdown would interrupt continuous manufacturing operations.

In metallurgical facilities, heavy power resistors operate within capacitor discharge banks, dynamic crane braking systems and roller table motor drives, where endurance against cyclical thermal fatigue is essential.

Across machine tools and automated assembly lines, LCR Elettronica potentiometers and position sensors provide reliable feedback for tool slide positioning, rotary table indexing and web tension controls.

Combining precision counting dials such as Vishay Spectrol 11 and CT 23 with multi-turn potentiometers allows machine technicians to perform manual setpoint calibration with high readout accuracy.

Component cross-referencing, technical verification and order handling

Our technical team provides component verification, cross-referencing and delivery services for LCR Elettronica hardware to support routine maintenance and plant overhauls.

We identify potentiometer and resistor specifications from machine nameplates, technical drawings, part numbering schemes and wiring schematics. When older series face obsolescence, we engineer functional equivalents maintaining physical envelope and electrical ratings.

Every batch undergoes rigorous quality inspection for ohmic value, dielectric withstand voltage and terminal geometry before dispatch.

Hardware arrives in protective antistatic packaging accompanied by technical datasheets, inspection packing lists and complete international commercial documentation.

LCR Elettronica and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of LCR Elettronica and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.