Limit Switches

Limit Switches

Introducing Essen’s EPS Series: Your reliable choice for industrial AC-DC switch mode power supplies (SMPS). Engineered to elevate process control and automation, these rugged units ensure high efficiency with over-voltage, over-current, over-temperature, and short-circuit protection. Choose between 110V to 230V or a universal range (90-270V, 50-60 Hz) AC input. Industry-standard 5V, 12V, or 24V DC output options. Trust in our attractive, corrosion-resistant design for dependable performance in high-reliability applications.
  • Output Voltage- 5V or 12V or 24V DC, adjustable upto + /- 10% with inbuilt Potentiometer.
  • Efficiency- About 82% at full load [24V dc only]

Characteristics

  • 1 NO + 1 NC,1NO + 2 NC, 2 NO + 1 NC, 2 NO + 2 NC contacts.
  • Silver contacts are designed for low contact resistance.
  • Long mechanical & electrical life.
  • Robust contact springs.
  • Can be operated at frequencies as high as 3000 switching cycles/ hr.
  • Available in open execution or in aluminum alloy diecast housing.
  • Roller Lever switches can be operated from 4 directions in step of 90°.
  • Snap action limit switches are designed for extremely low operating speeds.
  • Switch elements with a cover are also available.
  • Conform to IEC 947-5-1 standard.

Product

Description

Ordering Code

LSO/*LSO-C

  • Design

  • Enclosure
  • Actuating force

1 NO + 1 NC
Normal action mechanism NC opens before NO closes
Open execution
1.0 Kg.(max.)

Ordering Code

LSOS/*LSOS-C

  • Design

  • Enclosure
  • Actuating force

1 NO + 1 NC
Snap action mechanism
Open execution
1.5 Kg.(max.)

Ordering Code

LSO-CP/*LSOS-CP

  • Design

  • Enclosure
  • Actuating force

1 NO + 1 NC
Snap action mechanism
Open execution
1.5 Kg.(max.)

Ordering Code

LS0 -12/* LS0 -1 2C

  • Design

  • Enclosure
  • Actuating force

1 NO + 2 NC
NC opens before NO closes
Open execution
1.0 Kg.(max.)

Ordering Code

LS0-21/*LS0 -21C

  • Design

  • Enclosure
  • Actuating force

2 NO + 1 NC
NC opens before NO closes
Open execution
1.0 Kg.(max.)

Ordering Code

LS0-22/*LS0 -22C

  • Design

  • Enclosure
  • Actuating force

2 NO +2 NC
NC opens before NO closes
Open execution
1.0 Kg.(max.)

Ordering Code

LSP

  • Design

  • Enclosure
  • Actuating force (In direction of stroke)
  • Diecasthousing with gasket
1 NO + 1 NC M4
NC opens before NO closes
Diecast housing with push rod
1.0 Kg.(max.)

Ordering code – LSPG

Ordering Code

LSR

  • Design

  • Enclosure
  • Actuating force
  • Diecasthousing with gasket

1 NO + 1 NC 
NC opens before NO closes
Diecast housing with roller lever
0.75 Kg.(max.)
Ordering code – LSRG

Ordering Code

LSPS

  • Design

  • Enclosure
  • Actuating force
  • Diecasthousing with gasket

1 NO + 1 NC 
Snap Action Mechanism
Diecast housing with push rod
1.5 Kg.(max.)
Ordering code – LSPSG

Ordering Code

LSRS

  • Design

  • Enclosure
  • Actuating force
  • Diecasthousing with gasket

1 NO + 1 NC 
Snap Action Mechanism
Diecast housing with roller lever
1.2 Kg.(max.)
Ordering code – LSRSG

Technical Data

Electrical ratings

 

Mechanical life

Contact life


Temprature and Humidity

 

Contact resistance

Dielectric strength

Insulation resistance

10 A at 500V AC
0.4 A at 440V DC non-inductive
0.8 A at 250V DC non-inductive

15,000,000 switching cycles (typical)

Upto 15,000,000 switching operations
depending on breaking current (see graph)

All switches are designed for use
upto an ambient temprature of
50°C and 85% R.H.

20 milliohm max.

2kV AC rms

1000 Mohms min.

 

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