Safety Limit Switches

SI Series

SI Series safety limit switches combine switch and actuator in one device that mounts directly to a machine. The switch is actuated by the presence or movement of a mechanical machine guard and triggers an output when the guard reaches a user-defined switching point.

  • Four actuator types are available—lever, spindle-mount lever, plunger, and roller
  • Mechanically coded actuators use two independent operating elements to minimize intentional tampering or defeat
  • Rotating head and top or side engagement allows for eight different actuator positions
  • One-piece switch eliminates need for alignment, engagement and risk of breakage of a separate actuator
  • Design meets positive opening requirements for safety interlocks
  • IEC IP65 rated housing

安全限位开关

安全限位开关
宣传册和目录

简体中文文档

英文文件

文件名
Safety Solutions Brochure
pdf
13.7MB
2 Mar 2026
Safety Overview Flyer
pdf
2.5MB
15 Feb 2023
Safety Switches Flyer
pdf
2.1MB
7 Jan 2022
技术资料

英文文件

文件名
SI-LS83 Series Safety Limit Switch
pdf
1.1MB
24 May 2024
SI-LS31 Safety Limit Switch Instruction Manual
pdf
1.5MB
28 Jun 2024
SI-LM40 Safety Limit Switches
pdf
768K
20 Apr 2015
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ISD Connect Compatible

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Item Status

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IP Rating

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In-Series Diagnostics

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Device Type

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Primary Housing Material

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Switch Style

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Device Size

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Actuator (Safety) Contacts

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Connection Type

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Actuation

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Feature: Washdown Rated

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Feature: Cascade

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Feature: Lockable

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Feature: Quick Disconnect

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  1. logo with r symbol

    SI-LS83LA18D

    logo with r symbol

    Limit Switch: Plastic Spindle Actuator
    Contact Configuration: 1 NC/1 NO
    Dimensions: 68 x 30 x 27 mm; Plastic housing

  2. logo with r symbol

    SI-LS83LA18E

    logo with r symbol

    Limit Switch: Plastic Spindle Actuator
    Contact Configuration: 2 NC
    Dimensions: 68 x 30 x 27 mm; Plastic housing

  3. logo with r symbol

    SI-LS83LE13D

    logo with r symbol

    Limit Switch: Plastic Lever Actuator
    Contact Configuration: 1 NC/1 NO
    Dimensions: 67 x 30 x 31 mm; Plastic housing

  4. logo with r symbol

    SI-LS83PBD

    logo with r symbol

    Limit Switch: Plastic Plunger Actuator
    Contact Configuration: 1 NC/1 NO
    Dimensions: 57 x 30 x 27 mm; Plastic housing

  5. logo with r symbol

    SI-LS83PBE

    logo with r symbol

    Limit Switch: Plastic Plunger Actuator
    Contact Configuration: 2 NC
    Dimensions: 57 x 30 x 27 mm; Plastic housing

  6. logo with r symbol

    SI-LS83RC10D

    logo with r symbol

    Limit Switch: Plastic Roller Actuator
    Contact Configuration: 1 NC/1 NO
    Dimensions: 63 x 30 x 27 mm; Plastic housing

  7. logo with r symbol

    SI-LS83RC10E

    logo with r symbol

    Limit Switch: Plastic Roller Actuator
    Contact Configuration: 2 NC
    Dimensions: 63 x 30 x 27 mm; Plastic housing

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