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-821
      1/1
      NKK Switch S-821
      $ 41 .40

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

      Quantity
      MOQ : 8
      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: Are there shopping protection plans or extended warranty services?

        A: Depending on the category and brand of the product, we may offer shopping protection plans or extended warranty services. You can view relevant information on the product details page and choose to purchase based on your needs.

      • Q: Are the actual colors of the products consistent with the pictures?

        A: We do our best to ensure the accuracy of product images. However, due to variations in display devices and lighting conditions, there may be slight differences in actual colors. We provide detailed color descriptions to assist you in making better choices.

      • Q: How can I change my email address associated with my account?

        A: To change the email address associated with your account, please contact our customer service team and provide them with the necessary verification information. They will assist you in updating your email address.

      View More
      Question has been sent successfully

      Reviews

      • P

        PAUL GERLING

        Jan 04, 2026

        NKK Switch S-821
        Ordering was simple enough but we`ll see when the equipment is delivered.
        Helpful
        Unhelpful
      • D

        David Larsen

        Jan 03, 2026

        NKK Switch S-821
        They acquired the extremely hard-to-get probes for the amprobe ACDC 1000 that are the icing on the cake.
        Helpful
        Unhelpful
      • H

        Howard Wool

        Jan 11, 2025

        NKK Switch S-821
        It was a piece of cake to buy what we needed, and shipping was the icing on the cake.
        Helpful
        Unhelpful
      • R

        Richard Gilbert

        Aug 05, 2023

        NKK Switch S-821
        Thanks for the opportunity to collaborate.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        NKK Switch S-821
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      NKK Switch S-821

      $ 41 .40
      Click here to view shipping costs.

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

      Quantity
      MOQ : 8
      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, TAIYO Switch SR-105

      TAIYO Switch SR-105

      Contact Us
      New In stock for sale, CAMOZZI Air Cylinder QP2A032A045

      CAMOZZI Air Cylinder QP2A032A045

      US$101.63
      New In stock for sale, Balluff Sensor BAM00A4

      Balluff Sensor BAM00A4

      US$40.77
      New In stock for sale, Siemens Circuit Breaker 3RV2421-4CA10

      Siemens Circuit Breaker 3RV2421-4CA10

      US$313.49
      New In stock for sale, Siemens Contactor 3RT1075-2NP36

      Siemens Contactor 3RT1075-2NP36

      US$3269.23
      New In stock for sale, KOSMEK Overload Pump PW-1671-S-Z00300

      KOSMEK Overload Pump PW-1671-S-Z00300

      US$227.56

      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, Autonics Rotary Encoder E50S8-6000-6-L-24

      Autonics Rotary Encoder E50S8-6000-6-L-24

      US$319.99
      New In stock for sale, FYH Bearing UCF215

      FYH Bearing UCF215

      US$173.08
      New In stock for sale, Renishaw Encoder RGH22R10D20A

      Renishaw Encoder RGH22R10D20A

      US$1367.30
      New In stock for sale, Bristol Compressor H84B293DBVA

      Bristol Compressor H84B293DBVA

      Contact Us
      New In stock for sale, SMC Solenoid Valve VFS3110-5EZ-02T

      SMC Solenoid Valve VFS3110-5EZ-02T

      US$150.00
      New In stock for sale, KEYENCE Light Curtain SL-C52H SL-C52H-R SL-C52H-T

      KEYENCE Light Curtain SL-C52H SL-C52H-R SL-C52H-T

      Contact Us
      New In stock for sale, Sanyo Denki Fan 9GA0912W4021

      Sanyo Denki Fan 9GA0912W4021

      US$24.38
      New In stock for sale, Parker Solenoid Valve 321H2522

      Parker Solenoid Valve 321H2522

      Contact Us
      New In stock for sale, SMC Solenoid Valve SQ1141R-5LB-C4

      SMC Solenoid Valve SQ1141R-5LB-C4

      US$116.85
      New In stock for sale, Haier Air Conditioner KFR-72LW-12LBA81VU1

      Haier Air Conditioner KFR-72LW-12LBA81VU1

      US$4615.00

      Recent related posts

      Multi-angle overall planning and promotion of coal to gas in the northern region

      08/24/2020

      Multi-angle overall planning and promotion of coal to gas in the northern region

      The implementation of "coal-to-gas" is an important measure to effectively implement the tasks of clean heating in winter in the northern region. It also has multiple target positioning such as advancing the energy revolution

      How to wire the cold storage distribution box What problems should be paid attention to when wiring

      08/18/2020

      How to wire the cold storage distribution box What problems should be paid attention to when wiring

      Cold storage power distribution boxes play a very important role in the use of cold storage, and many people do not know much about cold storage power distribution boxes. Let's take a look at it with okmarts.com editor.

      Common fault phenomena, causes and elimination methods of piston compressors

      06/20/2020

      Common fault phenomena, causes and elimination methods of piston compressors

      Common fault phenomena, causes and elimination methods of piston compressors   Common faults of piston compressor (1)    Phenomenon: the compressor cannot start Reasons: 1. Electrical circuit failure; 2. High and medium voltage relay and oil pressure relay are disconnected.<img src="{{media url=&quot;Common_fault_phenomena_causes_and_elimination_methods_of_piston_compressors.jpg&quot;}}" alt="" />

      Causes of uneven liquid distribution in refrigeration systems and tragic cases!

      08/24/2020

      Causes of uneven liquid distribution in refrigeration systems and tragic cases!

      If the distribution head is not evenly distributed, it will cause too much refrigerant in some of the branches, which will cause the evaporator to frost.

      What is the reason for the noisy central air conditioning and how to solve it

      06/16/2020

      What is the reason for the noisy central air conditioning and how to solve it

      What is the reason for the noisy central air conditioning and how to solve it Causes and solutions of large noise in central air conditioning    First, the installation process is not in place It is said that the Daikin central air conditioner is "th器2䀀ᅵ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ི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Ҍ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S

      Working Principles and Characteristics of Common Water Pumps

      03/14/2023

      Working Principles and Characteristics of Common Water Pumps

      Water pump is a machine that transports or pressurizes liquids, which is mainly composed of impeller, pump case, pump shaft, bearing, filling seal device, and other parts.

      FANUC spindle drive repair fault treatment

      01/29/2025

      FANUC spindle drive repair fault treatment

      FANUC spindle drive maintenance problems mainly appear as stalls, abnormal speeds, motor oscillations, jitter during processing, and main circuit overcurrent alarms. Compared with AC FANUC spindle drive maintenance problems, the primary manifestations are motor overvoltage, fuse blown, etc.

      What to do if the compressor of screw chiller is damaged

      08/24/2020

      What to do if the compressor of screw chiller is damaged

      The compressor is the core component of the chiller. Damage to the compressor is a very serious fault and needs to be dealt with in time, otherwise the chiller will not work.

      Causes and solutions of noise from air-cooled chillers

      08/16/2020

      Causes and solutions of noise from air-cooled chillers

      When the air-cooled chiller is in use, because in the initial stage of production, the company conducts all-round treatment for the air-cooled chiller, so it will not cause high noise problems.

      Energy-saving way of air compressor inverter

      09/08/2020

      Energy-saving way of air compressor inverter

      The energy-saving measures for frequency converters mainly reflect the use of current fans, pumps, and hoists. In order to ensure the reliability of production, all kinds of production machinery have a certain margin when they are equipped with power drives.

      • 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 :

      NKK Switch Trane Switch Omron Switch KROM Switch SCHUNK Switch CHANTO Switch DANFOSS Switch ERSCE Switch T1R256-02Z 646GZEM11-7011 V-15G-3C26 SR105 TS064-30Y 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ad0912xb a71gl aha2490zxf CKD 4GB119-E2-DC24V Copeland CR33KQ-TFD-280 Copeland DLFE-301-EWK Ebmpapst R3G175-RG19-05 FESTO VUVB-S-M32C-AZD-QX-1T1L H79B28UABHA Huayi AES30DS kde0504pfv2 LG MA53LCCM lpv 60 12 MAC 45A-AA1-DDBJ-3KG PNEUMAX 2435.52.00.39.88 pwm 90 24 ROYAL TWR250P59-38A sc n3 contactor SWAGELOK SS-CHS10MM-1/3 TACO NSV-303 Ziehl Abegg RH22V-4IP.ZC.BR

      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. 2017-2026. All Rights Reserved
      © eCommerce. 2017-2026. All Rights Reserved
      Press and drag the mouse to start taking a screenshot