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LM1 LM2 LMM1 CFPA – CTPA XIA – Level switches intrinsic safety execution

The LM1, LM2, and LMM1 intrinsically safe level switches are engineered for hazardous industrial environments requiring precise liquid level monitoring. Designed for ATEX-certified zones, these switches deliver dependable performance, flexible mounting options, and robust construction. Ideal for chemical, oil, and process industries, they ensure safe operation, accurate switching, and long-term durability while meeting strict safety and compliance standards for modern industrial automation systems.

Category Level
Brand Elettrotec
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Technical details and application highlights

Review the complete description, feature set, and specification details before sending your inquiry.

The LM1, LM2, and LMM1 intrinsically safe level switches are advanced industrial solutions designed for precise liquid level detection in hazardous environments. Built for ATEX-certified applications, these level switches provide reliable and safe performance in explosive atmospheres commonly found in chemical processing, oil and gas, and industrial manufacturing sectors.

Key Features

These level switches offer multiple configurations, including single and dual actuation points, enabling flexible control across different process requirements. Their intrinsically safe design ensures compliance with strict safety standards while maintaining consistent switching accuracy. The robust construction supports long-term use in demanding industrial conditions.

Design & Functionality

Engineered with durable brass body construction and high-quality float materials, the switches are optimized for reliable mechanical operation. The thermoplastic mounting ensures secure installation, while flange and threaded options provide compatibility with various system setups. Electrical connections are designed for protection and durability, ensuring uninterrupted performance.

Total Crossed Beams

The switching mechanism is designed for precise actuation, ensuring accurate level detection at defined points. This enables efficient monitoring and control of liquid levels in tanks, vessels, and pipelines.

Beam Pitch Options

Multiple actuation configurations allow customization based on process requirements. Whether single-point or dual-point detection is needed, these switches provide adaptable solutions for diverse industrial applications.

Intrinsic Synchronism

The intrinsically safe circuitry ensures stable and synchronized operation within hazardous zones. This prevents ignition risks and guarantees safe interaction with connected systems, making them ideal for explosion-prone environments.

Operational Advantages

These level switches deliver high reliability, minimal maintenance requirements, and long service life. Their ability to operate under varying pressure, temperature, and fluid conditions makes them a preferred choice for industrial automation. With strong safety compliance and flexible installation options, they enhance operational efficiency while ensuring workplace safety.

Parameter

Specification

Body materialBrass
Float materialNBR
Mounting materialThermoplastic
Actuation pointLM1 – 1 actuation point contact NC/NO / LM2 – 1 actuation point contact SPDT / LMM1 – 2 actuation points NC/NO
MountingCFPA – Flange Ø 54 / CTPA – Thread G1″
Electrical connectionDIN 43650 – PG09 – IP65
Input capacityCi ~= 0
Input inductanceLi ~= 0
Input currentIi 215mA
Max. input powerPi 0.75W
Input voltageVi 30V
Temperature range-30°C to +60°C
Max. pressure10 bar
Fluid specific gravity0.7 kg/dm³
Fluid viscosity150 cSt
CertificationATEX – II 1 G Ex ia IIC T6
SizeMax. length 1500 mm
Safety parametersIntrinsic
NoteValues refer to single or combined switch connections
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