Global one-stop procurement platform for industrial spare parts.
support01@okmarts.com service@okmarts.com hydraulic@okmarts.com
Okmarts.com Online Store, Refrigeration Compressor Price, O&Kmarts Logo
Max 200 characters
Display the website inEN
EN
translate to EN
EN
translate to ES
ES
translate to العربية
العربية
All
Omron
Omron
  • Encoder
    Encoder
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Sensor
    Sensor
  • PLC
    PLC
  • Transformer
    Transformer
  • Optical Fiber Amplifier
    Optical Fiber Amplifier
  • Fan
    Fan
  • Digital Display Controller
    Digital Display Controller
  • Module
    Module
  • Battery
    Battery
  • Switch
    Switch
DANFOSS
DANFOSS
  • Switch
    Switch
CHANTO
CHANTO
  • Air Cylinder
    Air Cylinder
  • Switch
    Switch
ERSCE
ERSCE
  • Switch
    Switch
Trane
Trane
  • Switch
    Switch
  • Sensor
    Sensor
Kromschroder
Kromschroder
  • Proportional Valve
    Proportional Valve
  • Proportional Valve
    Proportional Valve
  • Transformer
    Transformer
  • Flame Detector
    Flame Detector
  • Safety Valve
    Safety Valve
  • Combustion Controller
    Combustion Controller
  • Pressure Gauge
    Pressure Gauge
  • Switch
    Switch
  • Solenoid Valve
    Solenoid Valve
All Brands
All Brands
    • a
    • b
    • c
    • d
    • e
    • f
    • g
    • h
    • i
    • j
    • k
    • l
    • m
    • n
    • o
    • p
    • q
    • r
    • s
    • t
    • u
    • v
    • w
    • x
    • y
    • z
    • 3
    • 7
      Top Picks
      • Omron Switch A-20GQ21-B
      • Omron Switch A-20GQ21-B
      1/2
      Omron Switch A-20GQ21-B
      $ 8 .46

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 37
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      • Specifications
      • Q&A
      • Reviews
      The Omron Switch is high quality!
      Current Rating (Amps) :20A (AC), 6A (DC)
      Voltage Rating - AC: 125 V
      Voltage Rating - DC: 30 V

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: How can I check the stock availability of a product?

        A: The stock availability of a product is usually indicated on the product details page. If the product is out of stock, you may see a notification or the option to sign up for a notification when it becomes available again.

      • Q: What material is used for packaging the products? Is it durable?

        A: We prioritize the quality and durability of packaging materials. Our products are carefully packaged using high-quality solid wood materials to ensure they arrive in good condition. Please rest assured that we take packaging seriously to protect the items you purchase during the transportation process.

      • Q: How can I unsubscribe from promotional emails?

        A: To unsubscribe from promotional emails, you can click on the "Unsubscribe" link located at the bottom of the email. Alternatively, you can adjust your email preferences in your account settings.

      View More
      Question has been sent successfully

      Reviews

      • R

        Ronald Sheffield

        Oct 06, 2025

        Omron Switch A-20GQ21-B
        Thanks for your kindness in finding that hard-to-find item.
        Helpful
        Unhelpful
      • J

        James Pecar

        Sep 10, 2025

        Omron Switch A-20GQ21-B
        I think I've located it.
        Helpful
        Unhelpful
      • G

        Gabriel

        Feb 03, 2025

        Omron Switch A-20GQ21-B
        ENCONTRAR LO QUE BUSCABA FUE MUY FÁCIL. EL ÚNICO PROBLEMA QUE TENÍA FUE QUE LA DESCRIPCIÓN DE LOS DATOS DE ESPECIFICACIÓN ERA INCORRECTA EN EL AGREGAR EN COMPARACIÓN CON LOS DATOS DEL FABRICANTE. LLAMÉ A LA EMPRESA Y ME DIERON LOS DATOS DE ESPECIFICACIÓN CORRECTOS.
        Helpful
        Unhelpful
      • K

        Kim Miller Cell

        Dec 19, 2024

        Omron Switch A-20GQ21-B
        The order was placed and arrived the next day. Amazing service! Thank you!
        Helpful
        Unhelpful
      • B

        BILL BARBER

        Jul 23, 2023

        Omron Switch A-20GQ21-B
        I found some pieces I needed elsewhere because not everything was available here.
        Helpful
        Unhelpful
      • T

        Timothy LeCompte

        Jul 02, 2023

        Omron Switch A-20GQ21-B
        The features on this page are excellent.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Omron Switch A-20GQ21-B
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Omron Switch A-20GQ21-B

      $ 8 .46
      Click here to view shipping costs.

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 37
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      People who bought this item also viewed

      New In stock for sale, CCS Switch 646GZEM11-7011

      CCS Switch 646GZEM11-7011

      Contact Us
      New In stock for sale, Festo Air Cylinder DPZJ-10-50-P-A-S2

      Festo Air Cylinder DPZJ-10-50-P-A-S2

      US$766.91
      New In stock for sale, P+F Pepperl Fuchs Sensor OMT150-R100-2EP-IO-V31-L

      P+F Pepperl Fuchs Sensor OMT150-R100-2EP-IO-V31-L

      US$536.65
      New In stock for sale, ETA Circuit Breaker 1410-L210-L2F1-S02-2A

      ETA Circuit Breaker 1410-L210-L2F1-S02-2A

      US$26.15
      New In stock for sale, TENGEN Contactor TGC1-0901 110V

      TENGEN Contactor TGC1-0901 110V

      US$21.92
      New In stock for sale, KOSMEK Overload Pump PL1061-SA

      KOSMEK Overload Pump PL1061-SA

      US$325.48

      Customers frequently viewed

      New In stock for sale, IWAYA DENKI Water Pump 25CJT0752

      IWAYA DENKI Water Pump 25CJT0752

      US$2307.69
      New In stock for sale, Panasonic Servo Motor MHMF022L1V2M

      Panasonic Servo Motor MHMF022L1V2M

      US$653.85
      New In stock for sale, Honeywell Solenoid Valve VE4025B1045

      Honeywell Solenoid Valve VE4025B1045

      US$334.62
      New In stock for sale, ROTEN Mechanical Seal 8E5K-22-X

      ROTEN Mechanical Seal 8E5K-22-X

      US$384.62
      New In stock for sale, SANDSUN Overload Pump VA08H-760

      SANDSUN Overload Pump VA08H-760

      US$1568.40
      New In stock for sale, GS Battery 6-QW-60(450)-(55D23L-KR)

      GS Battery 6-QW-60(450)-(55D23L-KR)

      US$646.15
      New In stock for sale, Rechi Compressor 44R273A

      Rechi Compressor 44R273A

      US$341.00
      New In stock for sale, Bosch Rexroth Linear Guideway Runner Block R165381920

      Bosch Rexroth Linear Guideway Runner Block R165381920

      US$107.69
      New In stock for sale, MINDMAN Air Cylinder MCQV2-11-40-200

      MINDMAN Air Cylinder MCQV2-11-40-200

      US$88.46
      New In stock for sale, Mitsubishi Compressor YB645WTG

      Mitsubishi Compressor YB645WTG

      US$549.00
      New In stock for sale, MBO Air Conditioner KFRD-52LW-BPV1-N3 Cooling and heating EEI 5

      MBO Air Conditioner KFRD-52LW-BPV1-N3 Cooling and heating EEI 5

      US$1153.46
      New In stock for sale, Ychxc Fuel Water Separator AFC2000-02

      Ychxc Fuel Water Separator AFC2000-02

      US$51.15
      New In stock for sale, FREESCALE IC Integrated Circuit MC9S12A128CFUE

      FREESCALE IC Integrated Circuit MC9S12A128CFUE

      US$157.45
      New In stock for sale, XILINX IC Integrated Circuit XC3S400-5TQ144I

      XILINX IC Integrated Circuit XC3S400-5TQ144I

      US$42.78
      New In stock for sale, Fuji VFD Frequency Converter FRN0010E2S-2A

      Fuji VFD Frequency Converter FRN0010E2S-2A

      Contact Us
      New In stock for sale, AirTAC Air Cylinder SEJ50X225-100

      AirTAC Air Cylinder SEJ50X225-100

      US$98.08
      New In stock for sale, AirTAC Air Cylinder ACE100X170

      AirTAC Air Cylinder ACE100X170

      Contact Us
      New In stock for sale, TCS Oil Seal TC 42*85*8

      TCS Oil Seal TC 42*85*8

      US$1.54
      New In stock for sale, Protechnic Fan MGT9212UB-O25

      Protechnic Fan MGT9212UB-O25

      US$6.54
      New In stock for sale, CHELIC Pneumatic Equipment Air Cylinder JD100*125

      CHELIC Pneumatic Equipment Air Cylinder JD100*125

      Contact Us

      Recent related posts

      5 Reasons Why Your Car AC Not Cooling

      07/26/2021

      5 Reasons Why Your Car AC Not Cooling

      Nowadays, cars have entered into our daily life. And the car is the most used traffic tool.

      Application advantages of micro heat adsorption dryer

      09/06/2020

      Application advantages of micro heat adsorption dryer

      With the advancement of science and technology and the improvement of people's living standards, in the fields of industry, food and medicine, the requirements for compressed air quality are getting higher and higher, and all walks of life have corresponding requirements for compressed air quality.

      What kind of pipe can become a floor heating pipe

      08/02/2020

      What kind of pipe can become a floor heating pipe

      Nowadays, installing underfloor heating is nothing new for many families, and more and more families are planning to install it with the improvement of comfort requirements.

      Heat Pump Compressor Not Turning On: Common Causes and Fixes

      07/06/2023

      Heat Pump Compressor Not Turning On: Common Causes and Fixes

      Heat pump compressors are integral components of heating and cooling systems, responsible for compressing and circulating refrigerant through the system.

      Sensors and Solenoid Valves on the KOBELCO Excavator Engine: Locations, Error Codes, and Functions

      08/02/2024

      Sensors and Solenoid Valves on the KOBELCO Excavator Engine: Locations, Error Codes, and Functions

      In order to protect the environment, most excavators are now using EFI systems (referring to electronic fuel injection systems).

      You never know why using air conditioners in summer can easily cause fires

      08/24/2020

      You never know why using air conditioners in summer can easily cause fires

      Why summer is the season of high incidence of air conditioning fires? Why is it that the air conditioner is properly used, and it will spontaneously ignite after use? This is actually for a reason.

      How to clean the evaporative condenser chemically

      08/16/2020

      How to clean the evaporative condenser chemically

      Heat exchanger is an energy-saving equipment that realizes heat transfer between materials between two or more fluids at different temperatures. It transfers heat from a higher fluid to a lower temperature fluid,

      Pros and Cons of 4 Pairs of Electric Motors

      11/03/2022

      Pros and Cons of 4 Pairs of Electric Motors

      According to different structures, working principles, types of operating power, and uses, electric motors can be divided into various types.

      What kind of equipment is suitable for high and low pressure refrigerant charging method

      07/31/2020

      What kind of equipment is suitable for high and low pressure refrigerant charging method

      There are generally two types of refrigerant charging methods: low-pressure charging and high-pressure charging. The advantage of the low pressure charging method is that it is easier to control the amount of refrigerant charged,

      Why does the air conditioning system need to be processed to eliminate noise

      08/20/2020

      Why does the air conditioning system need to be processed to eliminate noise

      In addition to the air-conditioning engineering requirements for temperature, humidity, wind speed, and air cleanliness, the vibration and noise of air-conditioning equipment (fans, chillers, water pumps, cooling towers, etc.)

      • Welcome to O&Kmarts

        Is there anything we can help?

        Email us
      • Feedback

      Join in

      Join in to enjoy exclusive discounts and give you greater discounts

      See More About O&Kmarts Member
      Sign up now

      Common Problem

      Payment Methods
      Shipping Guide
      Sales and Refund Policy
      FAQs

      About O&Kmarts

      About Us
      Membership

      Website Terms

      Privacy Policy
      Terms Of Use
      Bidding Agreement
      Review Rules

      Customer Service

      support01@okmarts.com
      service@okmarts.com
      hydraulic@okmarts.com
      +86-28-84166335
      GMT+08:00 Mon-Fri, 9:00 AM-7:00 PM
      Customer Feedback

      POPULAR PRODUCTS :

      CHANTO Switch Omron Switch Trane Switch NKK Switch SCHUNK Switch KROM Switch DANFOSS Switch ERSCE Switch T1R256-02Z SR-105 MMS 22-A-10V-M08 KP25C-03-F3 112-63 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 2938743 Atos DHZO-ATE-073-P3/B/DP27SC C-7RZ233H1A caj9513z compressor jt1gcvdkyr Copeland CRNQ-0500-TFD-598 Danfoss SM185S4RC e40s6 2500 6 l 5 Eaton Vickers KBFDG4V-5-2C50N25-Z-M1-PC7-H7-11 EMG Servo Valve SV 1-10/32/100/6 enc 1 3 t 24 h2ng294dpef hcm094t4lc6 PA160X2CS-3KUU Panasonic 2JS318G3AB02 Panasonic EEI76C13DJH (52RPS) Ross D2773B6011 sh300a4acc shy33mc4 u Toshiba PZ130H1D-P

      Disclaimer: All brand names, model or type numbers or marks listed on the website are owned by their respective manufacturers. These terms are used for identification purposes only and are not intended to indicate affiliation with OEM companies. Product pictures shown on the website are for illustrative purposes only and the actual item may vary in design, specification, etc. Confirm at the time of purchase if you are unsure.

      © eCommerce. 2017-2025. All Rights Reserved
      © eCommerce. 2017-2025. All Rights Reserved
      Press and drag the mouse to start taking a screenshot