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
Beckhoff
Beckhoff
  • PLC
    PLC
  • Module
    Module
  • Servo Drive
    Servo Drive
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
B&R
B&R
  • PLC
    PLC
  • Servo Drive
    Servo Drive
  • Module
    Module
Siemens
Siemens
  • HMI
    HMI
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Transmitter
    Transmitter
  • Transformer
    Transformer
  • Sensor
    Sensor
  • Gearbox
    Gearbox
  • Circuit Breaker
    Circuit Breaker
  • Power Supply
    Power Supply
  • PLC
    PLC
  • Contactor
    Contactor
  • Flame Detector
    Flame Detector
  • Expansion Valve
    Expansion Valve
  • Combustion Controller
    Combustion Controller
  • Fuse
    Fuse
  • Temperature Controller
    Temperature Controller
  • Module
    Module
  • Resistor
    Resistor
  • Battery
    Battery
  • Switch
    Switch
  • Memory Cards & Readers
    Memory Cards & Readers
  • Fan
    Fan
Schneider
Schneider
  • HMI
    HMI
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Actuator
    Actuator
  • Transmitter
    Transmitter
  • Power Supply
    Power Supply
  • Transformer
    Transformer
  • Sensor
    Sensor
  • Circuit Breaker
    Circuit Breaker
  • PLC
    PLC
  • Contactor
    Contactor
  • Surge Protection Device
    Surge Protection Device
  • Fuse
    Fuse
  • Relay
    Relay
  • Module
    Module
  • Resistor
    Resistor
  • Battery
    Battery
  • Electric Motor
    Electric Motor
  • Switch
    Switch
Allen Bradley
Allen Bradley
  • Servo Drive
    Servo Drive
  • Servo Motor
    Servo Motor
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Circuit Breaker
    Circuit Breaker
  • Encoder
    Encoder
  • Contactor
    Contactor
  • PLC
    PLC
  • Module
    Module
  • Relay
    Relay
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
      1/0
      EMERSON Controller Module ALPFQ21A42M2

      There is no price at present, you can Request a Quote

      • Specifications
      • Q&A
      • Reviews
      The EMERSON Controller Module is high quality!

      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

      • A

        Anonymous user

        Nov 25, 2022

        EMERSON Controller Module ALPFQ21A42M2
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      EMERSON Controller Module ALPFQ21A42M2

      There is no price at present, you can Request a Quote

      People who bought this item also viewed

      New In stock for sale, Emerson Module KJ4010X1-BF1

      Emerson Module KJ4010X1-BF1

      US$109.95
      New In stock for sale, Emerson Module KJ3002X1-BD1

      Emerson Module KJ3002X1-BD1

      US$467.48
      New In stock for sale, Emerson Module KJ3207X1-BB1

      Emerson Module KJ3207X1-BB1

      US$500.00
      New In stock for sale, Emerson Module KJ4005X1-BA1

      Emerson Module KJ4005X1-BA1

      US$824.98
      New In stock for sale, Mitsubishi Module CM800E4C-66H

      Mitsubishi Module CM800E4C-66H

      US$965.79
      New In stock for sale, B&R Module 7EX470.50-1

      B&R Module 7EX470.50-1

      US$1812.50
      New In stock for sale, Mitsubishi Module Q80BD-J71GP21S-SX

      Mitsubishi Module Q80BD-J71GP21S-SX

      US$631.33
      New In stock for sale, KRIWAN Module INT69KFY2

      KRIWAN Module INT69KFY2

      US$353.85
      New In stock for sale, Yaskawa Servo Motor SGM-A5B314

      Yaskawa Servo Motor SGM-A5B314

      US$690.00
      New In stock for sale, B&R Servo Drive 8V1022.00-2

      B&R Servo Drive 8V1022.00-2

      US$4807.69
      New In stock for sale, ELCO Encoder EV100R25-H6PR-1024

      ELCO Encoder EV100R25-H6PR-1024

      US$500.00
      New In stock for sale, LG LS PLC AC input module G6I-A11A

      LG LS PLC AC input module G6I-A11A

      US$29.90

      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, Bristol Compressor H20C403DBYJ

      Bristol Compressor H20C403DBYJ

      Contact Us
      New In stock for sale, SKUB Tool for Metal Cutting R1.5×D4×6×50L

      SKUB Tool for Metal Cutting R1.5×D4×6×50L

      US$6.46
      New In stock for sale, AirTAC Air Cylinder SC40X80S

      AirTAC Air Cylinder SC40X80S

      US$38.62
      New In stock for sale, KAMASI Tool for Metal Cutting GS-TER25-D2020

      KAMASI Tool for Metal Cutting GS-TER25-D2020

      US$53.46
      New In stock for sale, IFM Sensor IES204

      IFM Sensor IES204

      US$153.85
      New In stock for sale, Banner Sensor QS12VP6DBZ

      Banner Sensor QS12VP6DBZ

      US$107.70
      New In stock for sale, Roundss Encoder E40S-6G12-24C600B-5M

      Roundss Encoder E40S-6G12-24C600B-5M

      Contact Us
      New In stock for sale, TAIAN VFD Frequency Converter E2-203-H1F

      TAIAN VFD Frequency Converter E2-203-H1F

      Contact Us
      New In stock for sale, Tica AC Control Board B5171294

      Tica AC Control Board B5171294

      US$153.08
      New In stock for sale, Compact Air Cylinder 770-003304-001-C

      Compact Air Cylinder 770-003304-001-C

      Contact Us

      Recent related posts

      Common faults and solutions of compressors

      06/27/2020

      Common faults and solutions of compressors

      A compressor is a machine that compresses gas to increase gas pressure or transport gas, and is widely used. In the mining industry, metallurgy industry, machinery manufacturing, civil engineering, petrochemical industry, refrigeration and gas separation engineering, and defense industry, compressors are one of the indispensable key equipment.

      Introduction to screw refrigeration compressors and precautions for use (technical sharing)

      06/14/2020

      Introduction to screw refrigeration compressors and precautions for use (technical sharing)

      Introduction to screw refrigeration compressors and precautions for use (technical sharing) Screw refrigeration compressors and piston refrigeration compressors have the same gas compression method, and both belong to volumetric compressors, which means 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ڬ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

      Quiet Your Heat Pump: Causes and Solutions to Heat Pump Noise

      07/29/2023

      Quiet Your Heat Pump: Causes and Solutions to Heat Pump Noise

      Heat pumps are an excellent investment for heating and cooling your home or office. They are energy-efficient, eco-friendly and cost-effective compared to other HVAC systems. However, one of the common concerns that homeowners have is the noise generated by heat pumps.

      Basic principle and optimization algorithm of BLDC

      03/01/2021

      Basic principle and optimization algorithm of BLDC

      Brushless direct current motor (BLDCM,) gets rid of the inherent shortcomings of the brushless DC motor, and replaces the mechanical motor rotor with the electronic motor rotor. Therefore, the brushless DC motor not only has the excellent speed characteristics of the DC motor, but also has the advantages of simple structure, no commutation flame, reliable operation and easy maintenance.

      Popular Science|What is the energy efficiency ratio of air conditioning

      08/18/2020

      Popular Science|What is the energy efficiency ratio of air conditioning

      What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio? In our daily life, we rarely think about these issues, which is what professionals want to understand.

      Working principle of air compressor

      07/07/2025

      Working principle of air compressor

      An air compressor (air compressor) is a device used to compress gas. The structure of air compressor and water pump is similar. Most air compressors are reciprocating piston type, rotating blades or rotating screws. Centrifugal compressors are very large applications.

      How to protect the refrigeration compressor

      07/18/2020

      How to protect the refrigeration compressor

      Safety operating rules for Freon refrigeration compressor units in cold storage  Freon refrigerants are generally used in cold storage refrigeration systems, so the following is a brief introduction to some of the operating specifications of Freon refrigeration units, so that everyone will feel very simple and relaxed when using them.

      The impact of excessive or small pump flow on the chiller

      08/19/2020

      The impact of excessive or small pump flow on the chiller

      The chiller may have various types of failures. Why does the water pump fail with too much or too little flow?<br></br>    In fact, whether the flow of the water pump is too large or too small, it will have a certain impact on the operation of the chiller, so it is not a good thing that the flow is too large or too small.

      5 key points of central air conditioning installation

      08/11/2020

      5 key points of central air conditioning installation

      Central air-conditioning installation is a very high-end technology. I don't dare to install central air-conditioning without a few years of experience.

      How Does the PWM Achieve Fan Speed Regulation? What Does Each Wire of the CPU Fan Mean?

      11/17/2023

      How Does the PWM Achieve Fan Speed Regulation? What Does Each Wire of the CPU Fan Mean?

      No matter if it is a desktop computer or a notebook computer, they all have fans. The fan plays the role of heat dissipation.

      • 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 :

      WAGO Module Siemens Module Murr Elektronik Module Kuroda Module Phoenix Contact Module Schneider Module Advantech Module Omron Module B&R Module Mitsubishi Module EL2819 ES3702 EL7332 CX9000-N000 EL4124 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 5ps132eaa22 CKD 4GA229-C6-E2-3 Copeland CRA1-0150-TFC-270 Copeland RS64C2-CAV-251 D03X 12TM Dorna Servo Drive EPS-M1-151515AA-3000 e50s8 8000 6 l 5 Ebmpapst R3G310-PV69-03 gm1204pqv1 h23a623abca h2ng294dpef IMI Norgren 2623077.3036.024.00 kde1204pkvx LG LX72LATH LG NS36LABG PA215M2C-4FT Panasonic DG77C14RAW5 (RSCR) rsp 150 5 Sanyo Denki 9A0412J7D03 TIDAR 172X150X50 17250HBL

      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