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
      • Beckhoff Module EL2521
      1/1
      Beckhoff Module EL2521
      $ 561 .54

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

      Quantity
      MOQ : 1
      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
      Parameter
      Product series EtherCAT Terminals
      Type/signal pulse train, frequency (output)
      Channels 1
      Value range (digital/encoder) 24 V
      Filter (digital) -
      Input/output specification (digital) -
      Connection technology pulse train (frequency output)
      Weight approx. 50 g
      Operating/storage temperature 0…+55 °C/-25…+85 °C
      Relative humidity 95 %, no condensation
      Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
      EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
      Protect. rating/installation pos. IP20/variable
      Approvals/markings CE, UL, ATEX
      Ex marking II 3 G Ex nA IIC T4 Gc
      The Beckhoff Module is high quality!
      Number of outputs: 1 channel (2 differential outputs A, B)
      Number of inputs: 2

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Do I need to pay for shipping when returning a product?

        A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.

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

        A: On the product details page, you can check the stock status of the item. If a product is temporarily out of stock, we will restock it as soon as possible or provide a pre-order option.

      • Q: How can I find out about product recalls or safety alerts?

        A: We prioritize the safety of our customers and comply with product recall and safety alert notifications. You can stay informed about product recalls by regularly checking our website's safety alert section or subscribing to relevant product safety authorities' notifications.

      View More
      Question has been sent successfully

      Reviews

      • L

        Lauren

        Jul 28, 2025

        Beckhoff Module EL2521
        Everything was perfect. They located my part and got back to me promptly. Great price and unmatched service.
        Helpful
        Unhelpful
      • K

        Kayla

        Aug 27, 2024

        Beckhoff Module EL2521
        I needed these parts urgently and was happy to find them here, as other suppliers had a huge backlog.
        Helpful
        Unhelpful
      • J

        Justin Shields

        Jul 26, 2024

        Beckhoff Module EL2521
        Fue bueno, envío rápido
        Helpful
        Unhelpful
      • M

        Miguel Blanco

        Jun 08, 2024

        Beckhoff Module EL2521
        I'm so glad I called, they resolved my issue quickly.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Beckhoff Module EL2521
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Beckhoff Module EL2521

      $ 561 .54
      Click here to view shipping costs.

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

      Quantity
      MOQ : 1
      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, Beckhoff Module ES3104

      Beckhoff Module ES3104

      US$561.54
      New In stock for sale, Beckhoff Module CX9000-N000

      Beckhoff Module CX9000-N000

      US$750.00
      New In stock for sale, Beckhoff Module CX2043-0100

      Beckhoff Module CX2043-0100

      US$1237.40
      New In stock for sale, Beckhoff Module CX1100-0910

      Beckhoff Module CX1100-0910

      US$456.23
      New In stock for sale, Beckhoff Module CX2030-0111

      Beckhoff Module CX2030-0111

      US$3750.00
      New In stock for sale, Beckhoff Module CX51300121

      Beckhoff Module CX51300121

      US$745.00
      New In stock for sale, SIEMENS Module 6DS1140-8AA

      SIEMENS Module 6DS1140-8AA

      US$11849.62
      New In stock for sale, TERASAKI Module ESM-105E2

      TERASAKI Module ESM-105E2

      US$610.25
      New In stock for sale, Murr Elektronik Module 56504

      Murr Elektronik Module 56504

      US$1121.25
      New In stock for sale, SIEMENS Module 6ES7155-6AR00-0BN0

      SIEMENS Module 6ES7155-6AR00-0BN0

      US$2846.15
      New In stock for sale, Yaskawa Servo Motor SGMAH-01A1A2D

      Yaskawa Servo Motor SGMAH-01A1A2D

      US$560.00
      New In stock for sale, Panasonic Servo Drive MCDDT3520N

      Panasonic Servo Drive MCDDT3520N

      US$1153.85
      New In stock for sale, HENGSTLER Encoder RI58-O/500AK.42KB

      HENGSTLER Encoder RI58-O/500AK.42KB

      US$326.92
      New In stock for sale, LG LS PLC XGF-M32E

      LG LS PLC XGF-M32E

      US$5842.31

      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, SUNON Fan MF50150V3-C01A-A99

      SUNON Fan MF50150V3-C01A-A99

      US$17.31
      New In stock for sale, Copeland Compressor 3DR3A1000-TFC-001

      Copeland Compressor 3DR3A1000-TFC-001

      Contact Us
      New In stock for sale, HOLTEK IC Integrated Circuit Chip HT93LC46

      HOLTEK IC Integrated Circuit Chip HT93LC46

      US$22.48
      New In stock for sale, Samsung Capacitor CL10B473KO8NNNC

      Samsung Capacitor CL10B473KO8NNNC

      Contact Us
      New In stock for sale, Rexroth Filter R928041210

      Rexroth Filter R928041210

      US$169.84
      New In stock for sale, NORTHMAN Overflow Valve HRF-G10-2-L-30

      NORTHMAN Overflow Valve HRF-G10-2-L-30

      US$533.85
      New In stock for sale, KMC Industrial Chain silver X11SL DLC

      KMC Industrial Chain silver X11SL DLC

      Contact Us
      New In stock for sale, Kuebler Encoder 8.5000.835B.0400

      Kuebler Encoder 8.5000.835B.0400

      Contact Us
      New In stock for sale, CAMOZZI Air Cylinder 61M2U125A025

      CAMOZZI Air Cylinder 61M2U125A025

      Contact Us
      New In stock for sale, XINJE Servo Drive DS5E-43P0-PTA-H

      XINJE Servo Drive DS5E-43P0-PTA-H

      US$652.34

      Recent related posts

      Data Center Liquid Cooling System Technology (Immersion, Cold Plate, Spray)

      04/16/2025

      Data Center Liquid Cooling System Technology (Immersion, Cold Plate, Spray)

      With the explosive growth of data volume, the diversity and complexity of data will lead to a gradual increase in the computing power density of general-purpose CPUs.

      Why Does My AC Compressor Shut Off After 2-3 Minutes?

      05/16/2023

      Why Does My AC Compressor Shut Off After 2-3 Minutes?

      In the hot summer, the air conditioner is one of the necessary cooling appliances. When we use the air conditioner in normal times, we should perform maintenance on it from time to time, so as to reduce the failure rate.

      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,

      The development history of air compressor

      09/08/2020

      The development history of air compressor

      A device used to increase air pressure. We call it an air compressor. There are thousands of types. The most common ones are piston air compressors, screw air compressors, scroll air compressors, and sliding vane air.

      82 lake water level sensor, river transmitter

      09/15/2020

      82 lake water level sensor, river transmitter

      82 lake water level sensor, river transmitter okmarts.com pressure sensor, okmarts.com pressure transmitter, okmarts.com pressure sensor PTH601 uses diffused silicon piezoresistive core or ceramic piezoresistive core, 316 stainless steel structure, mainly suitable for rivers, groundwater levels, reservoirs, water towers and containers, etc. liquid level measurement and control.

      How to Fix an Air Conditioner Fan Motor?

      11/23/2022

      How to Fix an Air Conditioner Fan Motor?

      The air conditioner is composed of heat and cold sources, wind system, water system, air conditioning treatment equipment, and devices for controlling and regulating air conditioning.

      Top Ten Servo Drive Brands Worldwide in 2024

      04/30/2024

      Top Ten Servo Drive Brands Worldwide in 2024

      Servo driver, also known as "servo controller" and "servo amplifier", is a controller used to control servo motors.

      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.)

      Refrigeration components and common maintenance and treatment methods

      08/09/2020

      Refrigeration components and common maintenance and treatment methods

      1. Refrigeration components and functions   1. Compressor: It acts as a compression drive refrigerant in the refrigerant circuit. The compressor extracts the refrigerant from the low-pressure zone, compresses it, and sends it to the high-pressure zone for cooling and condensation.

      Fully enclosed piston compressor

      06/14/2020

      Fully enclosed piston compressor

      Fully enclosed piston compressor

      • 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 Module Phoenix Contact Module Mitsubishi Module Schneider Module Advantech Module Murr Elektronik Module Kuroda Module LS Module Fanuc Module Allen Bradley Module 1785-ENET-C EL7332 CX9000-N000 EL4124 EL2819 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 9wg1212g101 ad0824ux a71gl aka4460yxd ava5538exn CKD 4GA119-C4-E2H-3-K3 CKD 4KA249-06-B-AC100V danfoss compressor sz185s4rc FUJIKOKI EFM-40YGMD-7R 5K2 ha40101v4 HA60151V4-000C-C99 hlm072t4lc6 JH521YAB LESER 4592.2494 Mitsubishi Compressor NN29YCAMT RH145VHLC rsp 320 12 Tecumseh CAJ4492A Toshiba EZ130H1Z-U Toshiba SZ99H1H-4

      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