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
  • Temperature Controller
    Temperature Controller
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
      • PIZZATO Switch FD 557-K21
      1/1
      PIZZATO Switch FD 557-K21
      $ 247 .31

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

      Quantity
      MOQ : 2
      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
      FD series position switches
      Metal housing, one conduit entry
      Protection degree IP67
      29 actuators available

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Can I save items for later?

        A: Yes, you can save the items you wish to purchase later in the shopping cart. This way, when you are ready to proceed with the order, you can easily find them.

      • Q: Do you support global shipping?

        A: Yes, we support worldwide shipping. No matter where you are located, we will make every effort to deliver the products to your doorstep.

      • Q: How to apply for an extended warranty on a product?

        A: Applying for an extended warranty is simple. During the purchasing process, you can choose to extend the warranty period for eligible products. Just select the desired warranty period, and it will be added to your purchase.

      View More
      Question has been sent successfully

      Reviews

      • H

        Hilario Jimenez

        Mar 26, 2026

        PIZZATO Switch FD 557-K21
        Excelente
        Helpful
        Unhelpful
      • J

        John Wojcik

        Mar 01, 2026

        PIZZATO Switch FD 557-K21
        That wraps it up for me.
        Helpful
        Unhelpful
      • B

        Brian Janak

        Jan 08, 2026

        PIZZATO Switch FD 557-K21
        Thanks for your awesome support in finding my parts via chat!
        Helpful
        Unhelpful
      • P

        Peter Keyser

        Jun 01, 2023

        PIZZATO Switch FD 557-K21
        Fast and convenient online shopping
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        PIZZATO Switch FD 557-K21
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      PIZZATO Switch FD 557-K21

      $ 247 .31
      Click here to view shipping costs.

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

      Quantity
      MOQ : 2
      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, MINDMAN Air Cylinder MCBQI2-11-40-600M

      MINDMAN Air Cylinder MCBQI2-11-40-600M

      US$943.08
      New In stock for sale, Siemens Sensor 3RG4011-7AG05

      Siemens Sensor 3RG4011-7AG05

      US$115.00
      New In stock for sale, ABB Circuit Breaker T2L160 PR221DS-I R100 FFCL 3P

      ABB Circuit Breaker T2L160 PR221DS-I R100 FFCL 3P

      US$881.64
      New In stock for sale, Siemens Contactor 3RT1066-6AP36

      Siemens Contactor 3RT1066-6AP36

      US$2307.69
      New In stock for sale, SHOWA Overload Pump OLP 20

      SHOWA Overload Pump OLP 20

      US$2899.02

      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, TKC Air Cylinder KMGPM16-20

      TKC Air Cylinder KMGPM16-20

      US$130.77
      New In stock for sale, AirTAC Air Cylinder SIF100X175

      AirTAC Air Cylinder SIF100X175

      US$180.58
      New In stock for sale, Nemicon Encoder SBH-4096-2MC

      Nemicon Encoder SBH-4096-2MC

      Contact Us
      New In stock for sale, Transcend RAM Card JM3200HSH-4G

      Transcend RAM Card JM3200HSH-4G

      US$57.31
      New In stock for sale, Copeland Compressor 3DBDF33KL-TFD-C01

      Copeland Compressor 3DBDF33KL-TFD-C01

      Contact Us
      New In stock for sale, Festo Air Cylinder ADVUL-100-60-P-A

      Festo Air Cylinder ADVUL-100-60-P-A

      US$1044.09
      New In stock for sale, Midea Air Conditioner KF-72LW-Y-PA401(R3)

      Midea Air Conditioner KF-72LW-Y-PA401(R3)

      Contact Us
      New In stock for sale, Eaton Vickers Vane Pump 4520VQS60E11-86DB20L

      Eaton Vickers Vane Pump 4520VQS60E11-86DB20L

      Contact Us
      New In stock for sale, Sumitomo Reduction Drive Gearbox Speed Reducer CNV-6120-21

      Sumitomo Reduction Drive Gearbox Speed Reducer CNV-6120-21

      Contact Us
      New In stock for sale, INFINEON IGBT Module FP25R12KS4C

      INFINEON IGBT Module FP25R12KS4C

      US$46.15

      Recent related posts

      Honeywell Connected People Solution Helps Wood Group Ensure Business Continuity

      08/24/2020

      Honeywell Connected People Solution Helps Wood Group Ensure Business Continuity

      Honeywell recently announced that Wood has adopted Honeywell's Connected Personnel Productivity Solution to improve decision-making, increase productivity, and ensure the safety of industrial personnel.

      Four control modes of servo drive

      03/12/2021

      Four control modes of servo drive

      1.Feedback compensation open loop control. The accuracy of open-loop system is low, because the step error , start stop error and mechanical system error of servo driver will directly affect the positioning accuracy. This system has the advantages of both open-loop and closed-loop, that is, it has the stability of open-loop and the accuracy of closed-loop.

      Accurate selection of industrial chillers needs to meet 6 conditions

      08/15/2020

      Accurate selection of industrial chillers needs to meet 6 conditions

      The accurate selection of industrial chillers needs to meet six conditions. When we need to purchase industrial chillers, the selection becomes an important issue for us.

      Basic knowledge of refrigeration compressors (technical sharing)

      06/14/2020

      Basic knowledge of refrigeration compressors (technical sharing)

      Basic knowledge of refrigeration compressors (technical sharing) Compressor, a driven fluid machine that raises low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas 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Қ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴

      Principle analysis and characteristics of new technology machines for central air conditioning

      08/17/2020

      Principle analysis and characteristics of new technology machines for central air conditioning

      1. Water magnetization treatment technology   Using the magnetic field effect to treat water is called magnetization treatment of water.

      Working principle of scroll compressor

      07/16/2020

      Working principle of scroll compressor

      1. The pressure of the scroll compressor is generated due to the interaction between the scroll disks that make planetary motion. When one of the scroll disks makes planetary motion, the gas enters from the outer opening.

      Is the cold storage running too power-consuming 7 recommended energy saving methods

      08/07/2020

      Is the cold storage running too power-consuming 7 recommended energy saving methods

      With the development of Chinese economy and the increase in the urban population, the consumption level of the people continues to increase.

      Why is the air conditioner not cooling

      02/25/2020

      Why is the air conditioner not cooling

      1.Check whether the compressor is working normally. If the compressor is broken, the air conditioner cannot start normally and there will be no cooling effect. 2. There is not enough refrigerant in the air conditioner. At this time, you need to add Freon, and the time for adding Freon can be very long. 3. The air conditioner itself has quality problems and the electrical components have failed. In this case, you need to find a master to repair it.

      Condenser-overview

      01/13/2021

      Condenser-overview

       Condenser (Condenser), which is a part of the refrigeration system, is a type of heat exchanger. It can convert gas or vapor into liquid, and transfer the heat in the pipe to the air near the pipe in a fast way. The working process of the condenser is an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ؠ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

      How high is the ceiling of the central air conditioner

      08/15/2020

      How high is the ceiling of the central air conditioner

      The height of the central air-conditioning ceiling is a problem that many users worry about before installing the central air-conditioning. What are the factors related to the size of the central air-conditioning ceiling?

      • 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 :

      Omron Switch DANFOSS Switch Trane Switch ERSCE Switch NKK Switch SCHUNK Switch KROM Switch CHANTO Switch MMS 22-A-10V-M08 E100-01-S5I  V-15G-3C26 CJ20-250 SR-105 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 2866323 aa1752hb at Atos DLKZOR-TEB-SN-NP-140-L71/I11 Carel E2V30USM10 Copeland CR24KQ-TFD-267BM Copeland RST64C1E-CAV-108 e40s6 1024 3 t 24 encoder autonics enc 1 1 t 24 FFB0924EHE IMI Norgren 9730000.3051.230.50 LESER 4412.4512 LG QJ258KCA MAC 52A-11-DOA-DM-DDAA-1BA MSM022A1E Parker Sporlan SERI-J 9X11 ODF M12 10’-S 805543 rsp 150 5 TACO 354-601-P000 Toshiba PZ90H1C Toshiba PZ99H1C yaskawa sgdm 08ada

      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