Skip to content
  • Email : inquiry@microswitchs.com
  • Tel:+8613048899313
  • Email : inquiry@microswitchs.com
Toneluck Micro Switch Manufacturer and SuppliersToneluck Micro Switch Manufacturer and Suppliers
  • Home
  • About us
  • Product
    • micro-switch
      • MQS-1 Microswitch
      • MQS-2 Limit Micro Switch
      • MQS-4 Waterproof Micro Switch
      • MQS-6 Subminiature Micro Switch
      • MQS-8 Waterproof Micro Switch
      • MQS-9A Mini Micro Switch
      • MQS-9B Small Micro Switch
      • MQS-9C Water Proof Micro Switch
      • E Micro ON OFF Switch
      • X Snap Action Switch
      • V5 Electronic Micro Switch
      • V3 Snap Action Limit Switch
      • S21 Sealed Micro Switch
      • S1 Snap Switch
      • L Snap Action Micro Switch
  • News
  • Contact us
Micro Switch / S21 Sealed Micro Switch
    Add to Wishlist

    Water Proof Micro Switch SPDT

    S21AS00-S01 is a waterproof micro switch with SPDT circuit code and IP67 waterproof protection level. The rating is 0.1A 12~24VDC 250,000 cycles.

    • S21 Sealed Micro Switch

    • Model Number: S21AS00-S01

    • Product applications: Smart homes such as multifunctional telephones, large mixers, household gas appliances, washing machines, dishwashers, etc.; new energy vehicle charging guns, car air conditioning controllers, car door locks, car sensors, and other automotive markets.

    Category: S21 Sealed Micro Switch Tag: Water Proof Micro Switch SPDT Brand: Toneluck
    Browse
    • Door Switch
      • D2 Series Door Switch
      • D3 Door Switch for Light
      • D5 Door Light Switch
    • Micro Switch
      • E Micro ON OFF Switch
      • L Snap Action Micro Switch
      • MQS-1 Microswitch
      • MQS-2 Limit Micro Switch
      • MQS-4 Waterproof Micro Switch
      • MQS-6 Subminiature Micro Switch
      • MQS-8 Waterproof Micro Switch
      • MQS-9A Mini Micro Switch
      • MQS-9B Waterproof Mini Micro Switch
      • MQS-9C Water Proof Micro Switch
      • S1 Snap Switch
      • S21 Sealed Micro Switch
      • S22 Small Micro Switch
      • V3 Snap Action Limit Switch
      • V5 Electronic Micro Switch
      • X Snap Action Switch
    • Parts OEM
    • Power Switch
      • PWL Mains Switch
    • Push Button Switch
      • Key Push Button Start Switch
      • LTV Button Switch
      • MPN Push Button ON OFF Switches
      • MPV Pushbutton Switch
      • PBA Push Button Electrical Switches
      • PBN Switch Button
    • Water Level & Pressure Switch
      • B1 Water Pressure Switch
      • PS Air Pressure Switch
    • Description

    Details Description

    S21AS00-S01 is a waterproof micro switch with SPDT circuit code and IP67 waterproof protection level. The rating is 0.1A 12~24VDC 250,000 cycles with UL, ENEC, CQC certification.  Meanwhile, with more than 45 years of experience in production, the quality of the S21 series is very reliable.

    Secondly, the advantage of this switch is long-life which can reach 250000cycles with a rating and the mechanical cycle is 5000000 min. Moreover, this model is in an IP67 waterproof protection level so that it can use in a wet environment.

    Specification

    Model No. S21AS00-S01
    Operating Temperature -40℃ to +85℃
    Rating 10mA~100mA 12VDC ~24VDC
    Mechanical Life 500,000 cycles Min.
    Insulation Resistance 100ΩM Min.
    Dielectric Strength 500VAC
    Housing UL 94V-0 Thermoplastic
    Contact Silver
    Lever Type Without Lever
    Operation Force (OP) 200gf Max.
    Release Force (RP) 50gf Min.
    Pre-Travel (PT) 0.8mm Max.
    Movement-Differential (DT) 0.15mm Max.
    Operation Position (OP) 8.4±0.4 mm
    Free Position(FP) 9.3mm Max.
    Latest
    • TONELUCK MQS-1 Miniature Snap Action Microswitch: High Precision & Durability for Diverse Applications TONELUCK MQS-1 Miniature Snap Action Microswitch: High Precision & Durability for Diverse Applications
    • TONELUCK MQS-1: Precision Subminiature Snap Action Microswitch for Demanding Applications TONELUCK MQS-1: Precision Subminiature Snap Action Microswitch for Demanding Applications
    • TONELUCK E Micro ON OFF Switch: Extreme Temperature Reliability from -40℃ to +85℃ for Demanding Environments TONELUCK E Micro ON OFF Switch: Extreme Temperature Reliability from -40℃ to +85℃ for Demanding Environments
    • TONELUCK E Micro ON OFF Switch: Reliable Control for Diverse Applications TONELUCK E Micro ON OFF Switch: Reliable Control for Diverse Applications
    Best Selling
    • Toneluck Micro Switch Limit Switch MQS-9B Toneluck Micro Switch Limit Switch MQS-9B
    • 12V DPDT Momentary Push Button Switch – 1A, 6-Pin PCB Mount 12V DPDT Momentary Push Button Switch – 1A, 6-Pin PCB Mount
    • 6 Pole Self Lock Mechanical 18 Pin Push Switch Button 6 Pole Self Lock Mechanical 18 Pin Push Switch Button
    • Automotive micro switch supplier Waterproof micro switch factory Automotive micro switch supplier Waterproof micro switch factory
    Top Rated
    • Toneluck Micro Switch Limit Switch MQS-9B Toneluck Micro Switch Limit Switch MQS-9B
    • 12V DPDT Momentary Push Button Switch – 1A, 6-Pin PCB Mount 12V DPDT Momentary Push Button Switch – 1A, 6-Pin PCB Mount
    • 6 Pole Self Lock Mechanical 18 Pin Push Switch Button 6 Pole Self Lock Mechanical 18 Pin Push Switch Button
    About us

    TONELUCK has already become a number of group company with more than 2,500 employees and occupied a place nearly 30,000 square meters to support your product time.

    Latest News
    • 27
      Jul
      The Unseen Workhorses: Why High-Quality Micro Switches are Critical for B2B Success Comments Off on The Unseen Workhorses: Why High-Quality Micro Switches are Critical for B2B Success
    • 26
      Jul
      The Indispensable Role of Micro Switches in Modern Industrial Design and Automation Comments Off on The Indispensable Role of Micro Switches in Modern Industrial Design and Automation
    • 26
      Jul
      Precision and Reliability: The Indispensable Role of Micro Switches in Modern Engineering Comments Off on Precision and Reliability: The Indispensable Role of Micro Switches in Modern Engineering
    • 25
      Jul
      Precision and Durability: The Indispensable Role of Advanced Micro Switches in Modern Industry Comments Off on Precision and Durability: The Indispensable Role of Advanced Micro Switches in Modern Industry
    Contact Form Demo
    • Home
    • About us
    • Our Stores
    • Blog
    • Contact
    Copyright| 2026 © Shenzhen Greater Electronics Co., Ltd.
    • Home
    • About us
    • Product
      • micro-switch
        • MQS-1 Microswitch
        • MQS-2 Limit Micro Switch
        • MQS-4 Waterproof Micro Switch
        • MQS-6 Subminiature Micro Switch
        • MQS-8 Waterproof Micro Switch
        • MQS-9A Mini Micro Switch
        • MQS-9B Small Micro Switch
        • MQS-9C Water Proof Micro Switch
        • E Micro ON OFF Switch
        • X Snap Action Switch
        • V5 Electronic Micro Switch
        • V3 Snap Action Limit Switch
        • S21 Sealed Micro Switch
        • S1 Snap Switch
        • L Snap Action Micro Switch
    • News
    • Contact us
    • ENQUIRY

    Login

    Lost your password?