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
      • NKK Switch S-21A
      1/1
      NKK Switch S-21A
      $ 16 .10

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

      Quantity
      MOQ : 20
      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 NKK Switch is high quality!

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: How can I compare prices and reviews of similar products?

        A: On the product list page, you can view the prices and ratings of different items simultaneously. You can also use filters to sort products by price or rating, facilitating your comparison and selection.

      • Q: How to apply for a refund and get the refund amount?

        A: Applying for a refund is easy. Simply contact our customer service team and provide the necessary details, and they will guide you through the refund process. Once the return is processed, you will receive the refund amount through the original payment method.

      • Q: Are there alternative options available for this product?

        A: Absolutely! We offer a variety of alternative options for this product. Whether it's different colors, sizes, or styles, you can explore the range of alternatives available to find the perfect fit for your needs.

      View More
      Question has been sent successfully

      Reviews

      • L

        Leroy Sekaquaptewa

        Aug 24, 2025

        NKK Switch S-21A
        Everything about ordering is so clear and easy.
        Helpful
        Unhelpful
      • P

        Phuong Nguyen

        May 09, 2025

        NKK Switch S-21A
        This store always impresses me!
        Helpful
        Unhelpful
      • J

        John Scully

        Feb 07, 2025

        NKK Switch S-21A
        It came earlier than I had hoped.
        Helpful
        Unhelpful
      • J

        James Barrett

        Nov 13, 2024

        NKK Switch S-21A
        This brownie is precisely what I was looking for regarding my UV lights.
        Helpful
        Unhelpful
      • J

        Jon Heselwood

        Sep 24, 2024

        NKK Switch S-21A
        The service was top-notch and the part was correct.
        Helpful
        Unhelpful
      • J

        Javier Medina

        Jun 11, 2024

        NKK Switch S-21A
        Los precios son justos. Es fácil de ordenar.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        NKK Switch S-21A
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      NKK Switch S-21A

      $ 16 .10
      Click here to view shipping costs.

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

      Quantity
      MOQ : 20
      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, BOSCH REXROTH Aventics Air Cylinder 1834486001

      BOSCH REXROTH Aventics Air Cylinder 1834486001

      US$84.23
      New In stock for sale, Ingersoll Rand Sensor 47663042001

      Ingersoll Rand Sensor 47663042001

      US$423.08
      New In stock for sale, Siemens Circuit Breaker 5SY7216-7CC

      Siemens Circuit Breaker 5SY7216-7CC

      US$27.34
      New In stock for sale, Schneider Contactor LC1D386BDC

      Schneider Contactor LC1D386BDC

      US$328.92
      New In stock for sale, KOSMEK Overload Pump PH1661-SG

      KOSMEK Overload Pump PH1661-SG

      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, Copeland Compressor ZH45KCE-TE7-551

      Copeland Compressor ZH45KCE-TE7-551

      Contact Us
      New In stock for sale, AirTAC Air Cylinder Pneumatic SAIJ100X450Adjustable stroke type

      AirTAC Air Cylinder Pneumatic SAIJ100X450Adjustable stroke type

      US$246.15
      New In stock for sale, Copeland Compressor ZR300KCE-TWD-252

      Copeland Compressor ZR300KCE-TWD-252

      Contact Us
      New In stock for sale, Wide Plus Digital Display Controller WP-D905A-050-23-HL-P

      Wide Plus Digital Display Controller WP-D905A-050-23-HL-P

      US$153.08
      New In stock for sale, Ebmpapst Fan R3G560-RB31-77

      Ebmpapst Fan R3G560-RB31-77

      US$1980.00
      New In stock for sale, THK Linear Guideway RSR12WNUU

      THK Linear Guideway RSR12WNUU

      US$80.77
      New In stock for sale, Danfoss Expansion Valve TGE 067N2301

      Danfoss Expansion Valve TGE 067N2301

      Contact Us
      New In stock for sale, AUTOPOWER Overload Pump OL12S

      AUTOPOWER Overload Pump OL12S

      US$748.82
      New In stock for sale, Baumer Sensor UNDK 30N3712/S14

      Baumer Sensor UNDK 30N3712/S14

      US$601.50
      New In stock for sale, CHANGHONG Air Conditioner KFR-51LW/ZDHIG(W1-G)+R2

      CHANGHONG Air Conditioner KFR-51LW/ZDHIG(W1-G)+R2

      US$2691.92

      Recent related posts

      Teach you ten major inspection standards to see the pros and cons of air conditioners

      08/24/2020

      Teach you ten major inspection standards to see the pros and cons of air conditioners

      The hot summer is approaching the peak season for air-conditioning sales and the peak period for consumers to purchase air-conditioners. Many small partners are often at a loss when faced with the variety of products on the market.

      Why does your refrigeration unit consume so much power

      08/11/2020

      Why does your refrigeration unit consume so much power

      1. Operation management of refrigeration equipment<br></br> The amount of cold produced by refrigeration equipment is directly related to the operating conditions of the system. For the same compressor with the same structure, speed, and type of refrigerant, due to changes in operating conditions and different operation management,

      What are the advantages and disadvantages of the compressor of the screw type industrial chiller

      08/24/2020

      What are the advantages and disadvantages of the compressor of the screw type industrial chiller

      At present, most of the compressors of screw-type industrial chillers choose Taiwan Hanbell or German Bitzer screw compressors, and they are increasingly recognized by the market for their remarkable advantages.

      What is the principle of air conditioning and refrigeration

      06/14/2020

      What is the principle of air conditioning and refrigeration

      With the rapid development of the times, all walks of life are constantly changing. Air-conditioning refrigeration is also not mature from the past, to the current high-tech refrigeration technology, every research and development has great technical cont器2䀀ᅵ皥䖒皦즠Ʋ嫜ི㲈Ʋ䌁皦ᮔDž༬皧嫦ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ᅵ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧ֈ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

      Electronic expansion valve application and installation precautions

      06/21/2020

      Electronic expansion valve application and installation precautions

      Electronic expansion valve application and installation precautions <img src="{{media url=&quot;wysiwyg/Electronic_expansion_valve_application_and_installation_precautions.png&quot;}}" alt="" /> Advantages of electronic expansion valve: The energy efficiency ratio is improved during high-frequency and low-frequency operation; the reliability of the compressor is improved, the conditions of oil return, liquid return, and exhaust temperature are too high; the operation of the whole machine is reliable, and the problems of water blowing, condensation, and overload are reduced. ; Increased adaptability to changes in refrigerant quantity; Enhanced comfort, short defrost time;

      Installation and characteristics of cold storage air cooler

      08/19/2020

      Installation and characteristics of cold storage air cooler

      The cold storage air cooler is also known as an air cooler, which is an evaporative cooling and ventilation unit that integrates cooling, ventilation, dust prevention and deodorization.

      Prospect analysis of screw refrigeration compressor

      09/10/2020

      Prospect analysis of screw refrigeration compressor

      The market potential of China's refrigeration and refrigeration industry is very high, especially the development prospects of medium and low temperature refrigeration and refrigeration equipment in the agriculture, fishery, and animal husbandry industries are very broad.

      Troubleshooting of Overflow Valves

      09/07/2022

      Troubleshooting of Overflow Valves

      Overflow valve is one of the classic industrial products. Today, let's take a look at its common faults and how to solve them.

      Daikin Vs. Hitachi Air Conditioners

      02/20/2025

      Daikin Vs. Hitachi Air Conditioners

      In summer, what is the best-selling electrical appliance in the electrical market? Air conditioners can be said to be one of the indispensable appliances in the family.

      Why permanent magnet variable frequency air compressor will become the future development trend

      09/05/2020

      Why permanent magnet variable frequency air compressor will become the future development trend

      Permanent magnet variable frequency air compressors are widely used in industry, and people can't help but remind people of industrial frequency-driven air compressors.

      • 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 :

      Trane Switch DANFOSS Switch KROM Switch NKK Switch ERSCE Switch SCHUNK Switch Omron Switch CHANTO Switch KP42V-04-F3 TS064-30Y ZLDXC03CH E100-01-S5I  T1R256-02Z 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ADDA AB06805HB14BB00 avb5558exg CKD 4GA119-C6-E2-3 CKD 4GD210R-C6-E2C-3 CKD M-06-2PV-5-AC200V Copeland CRNQ-0500-TFD-598 e405dhd 38d2yg Ebmpapst R3G250-RO40-A9 Ebmpapst R3G450-PB24-01 FFB1424VHG fuji sc n4 Honeywell TMX-00068 Jeou Gang DBW-G06-A3 Mitsubishi TB33YLLMC Rexroth 5610111010 sc n8 180 sgdh 30ae SHOEI BVM-20 THV247FBE Toshiba PG150X1C-4DZDE2

      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