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LMA1 LMA2 LMMA1 FA – FIA – Bent stem level switches

The bent stem level switch is designed for precise liquid level detection in industrial tanks and fluid systems. Built with durable materials and reliable float mechanisms, it ensures consistent performance across varying pressures and temperatures. Ideal for automation, process control, and storage applications, this switch supports accurate monitoring, reduces downtime, and enhances operational efficiency in demanding industrial environments.

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 bent stem level switch is a highly efficient solution for liquid level monitoring in industrial applications, including storage tanks, process vessels, and automation systems. Designed for accuracy and durability, this float-operated level switch ensures reliable detection of fluid levels in challenging environments. It is widely used in industries such as chemical processing, water treatment, oil & gas, and manufacturing.

Key Features

  • Robust construction with brass or stainless steel components
  • High-precision float mechanism for accurate level detection
  • Suitable for multiple mounting configurations with flange connection
  • Reliable switching performance with different contact options (NC/NO/SPDT)
  • Resistant to pressure, temperature variations, and fluid viscosity

Design & Functionality

The bent stem design allows flexible installation in tanks where vertical mounting may not be feasible. The float moves with liquid level changes, activating internal contacts to trigger alarms, pumps, or control systems. The switch supports multiple actuation configurations, enabling precise control for both single and dual-level detection.

Total Crossed Beams

The internal switching mechanism ensures consistent signal output with minimal mechanical wear. This enhances reliability in continuous industrial operations and ensures long-term performance stability.

Beam Pitch Options

Different actuation point configurations allow customization based on tank size and process requirements. This flexibility supports optimized liquid level control across various industrial systems.

Intrinsic Synchronism

The switch maintains synchronized operation between float movement and electrical switching. This ensures accurate signal transmission and reduces false triggering, making it ideal for automated systems.

Operational Advantages

  • Improves process efficiency through accurate level monitoring
  • Reduces equipment downtime and maintenance costs
  • Enhances safety by preventing overflow or dry running
  • Compatible with a wide range of industrial fluids
  • Easy installation and low operational complexity

This bent stem level switch is an ideal choice for industries seeking reliable, durable, and precise liquid level control solutions.

Parameter

Specification

Body MaterialFA – Brass / FIA – Stainless Steel AISI 316
Float MaterialFA – NBR / FIA – Stainless Steel AISI 316
Mounting MaterialFA – Anodized Aluminium / FIA – Stainless Steel AISI 316
Actuation PointLM1 – 1 point NC/NO / LM2 – SPDT / LMM1 – 2 points NC/NO
MountingFlange Ø 52
Electrical ConnectionDIN 43650 – PG09 – IP65
Switching CapacityLM1/LMM1 – 60W/VA / LM2 – 30W/VA
CurrentLM1/LMM1 – 0.8A / LM2 – 0.5A
Voltage220V – 50Hz
Temperature Range-10°C to +80°C
Max Pressure10 bar
Fluid Specific Gravity0.7 kg/dm³
Fluid Viscosity150 cSt
SizeMax Length 1500 mm
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