Durable and Customizable Locking Style Safety Interlock Switches

SI-GL42 Series

SI-GL42 Safety Locking Switches ensure that safety gates, safety doors, and other protective guards remain closed for as long as a hazardous situation exists. It is a durable, cost-effective solution for preventing human injuries in production environments, with many available configurations to fit nearly any automated system.

  • Lightweight, yet robust, design with plastic body and metal for mechanically stressed components
  • Actuator head rotatable in 90° increments, providing five positions, including vertical
  • Choice of two locking mechanism types: spring lock with energized solenoid release or energized solenoid lock with spring release
  • Multiple actuator and monitoring contact configurations for any automation safety application
  • Some models compatible with Banner’s exclusive In-Series Diagnostics (ISD) system for data-driven insight
  • Activated locks can be manually unlocked with a tool if machines need to be accessed for maintenance or repair

SI-GL42 Customizable Safety Locking Switches

Brochures & Catalogs

English Documents

Filename
Banner In-Series Diagnostics Brochure
pdf
2MB
23 May 2025
Safety Solutions Brochure
pdf
11.4MB
8 Apr 2025
Safety Switches Flyer
pdf
2.1MB
7 Jan 2022
Technical Literature
Filename
SI-GL42 Series Locking-style Safety Interlock Switch Instruction Manual
pdf
2.3MB
17 May 2024
Sliding Handle Actuator for SI-GL42 Instruction Manual
pdf
941K
17 Nov 2023
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Recommended Products

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Actuator (Safety) Contacts

  • (2)
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  • (4)
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Locking Mechanism

  • (8)
  • (8)

ISD Connect Compatible

  • (2)

Feature: Quick Disconnect

  • (2)
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  1. logo with r symbol

    SI-GL42-ERBD-B-1

    logo with r symbol

    SI-GL42 Accessory: Escape Release - Back

  2. logo with r symbol

    SI-GL42DS21-10

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC/1NO, Monitor: 1NC
    Connector: None

  3. logo with r symbol

    SI-GL42DM01-20Q13

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V dc
    Contact Configuration: Actuator: 1 NO, Monitor: 2NC
    Connector: 1 x 5-pin M12 Bottom, 1 x 5-pin M12 Side

  4. logo with r symbol

    SI-GL42DS20-20

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC, Monitor: 2NC
    Connector: None

  5. logo with r symbol

    SI-GL42DM21-10

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC/1NO, Monitor: 1NC
    Connector: None

  6. logo with r symbol

    SI-GL42DM20-20

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC, Monitor: 2NC
    Connector: None

  7. logo with r symbol

    SI-GL42DS01-20Q13

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V dc
    Contact Configuration: Actuator: 1 NO, Monitor: 2NC
    Connector: 1 x 5-pin M12 bottom, 1 x 5-pin M12 side

  8. logo with r symbol

    SI-GL42DS11-11

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 1NC/1NO, Monitor: 1NC/1NO
    Connector: None

  9. logo with r symbol

    SI-GL42DM11-11

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 1NC/1NO, Monitor: 1NC/1NO
    Connector: None

  10. logo with r symbol

    SI-GL42DM20-11

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC, Monitor: 1NC/1NO
    Connector: None

  11. logo with r symbol

    SI-GL42-EM40-1

    logo with r symbol

    SI-GL42 Accessory: 40 mm Escape Release Extension Module

  12. logo with r symbol

    SI-GL42DS20-11

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 2NC, Monitor: 1NC/1NO
    Connector: None

  13. logo with r symbol

    SI-GL42-ERS-F-1

    logo with r symbol

    SI-GL42 Accessory: Front switch

  14. logo with r symbol

    SI-GL42-EM20-1

    logo with r symbol

    SI-GL42 Accessory: 20 mm Escape Release Extension Module

  15. logo with r symbol

    SI-GL42DS10-21

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 1NC, Monitor: 2NC/1NO
    Connector: None

  16. logo with r symbol

    SI-GL42DS30-10

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 3NC, Monitor: 1NC
    Connector: None

  17. logo with r symbol

    SI-GL42-ERS-B-1

    logo with r symbol

    SI-GL42 Accessory: Back Switch

  18. logo with r symbol

    SI-GL42DM01-21

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 1NO, Monitor: 2NC/1NO
    Connector: None

  19. logo with r symbol

    SI-GL42DM10-21

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 1NC, Monitor: 2NC/1NO
    Connector: None

  20. logo with r symbol

    SI-GL42DM30-10

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Solenoid Lock/Spring Unlock; 24 V DC
    Contact Configuration: Actuator: 3NC, Monitor: 1NC
    Connector: None

  21. logo with r symbol

    SI-GL42DS01-21

    logo with r symbol

    SI-GL42 Series Safety Interlock Switch
    Spring Lock/Solenoid Unlock; 24 V DC
    Contact Configuration: Actuator: 1NO, Monitor: 2NC/1NO
    Connector: None

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