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 KL3021
      1/1
      Beckhoff Module KL3021
      $ 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
      Category/version analog input
      Type/signal power
      Channels 1
      Value range (digital/encoder) -
      Value range (analog) 4...20 mA (standard signal)
      Output current -
      Nominal voltage -
      Communication K-bus
      Technologies/ Highlights extended shock and vibration range
      Approvals Ship approvals, UL approvals, Explosion protection
      PLC integrated -
      Input/output specification (digital) -
      Filter (digital) -
      Signal resolution (analog) 12 bit
      Measurement error/ uncertainty (analog) > 0.1…0.5 %
      Sampling rate/ conversion time (analog) > 0.1…1 ksps/< 10…1 ms
      Sampling type (analog) simultaneous
      Ground reference (analog/encoder) differential
      Sensor supply (encoder) -
      Incr. limit frequency (encoder) -
      IO-Link Port Class -
      Feedback (compact drive technology) -
      Wiring 2-wire
      Connection method (signal) spring-loaded technique, plug-in connection level
      Connection method (bus interface) -
      Explosion protection not intrinsically safe, ATEX Zone 2 (gas)
      Safety technology/ functions -
      Safety Architecture -
      Safety Integrity Level (SIL) -
      Performance Level (PL) -
      The Beckhoff Module is high quality!
      Number of inputs: 1

      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

        Lee Christoffersen

        Apr 05, 2026

        Beckhoff Module KL3021
        Impressed with the quality and quick shipping.
        Helpful
        Unhelpful
      • W

        William Wallace

        Oct 07, 2025

        Beckhoff Module KL3021
        thank you hope the product gets here fast
        Helpful
        Unhelpful
      • R

        Ryan Frank

        Dec 15, 2024

        Beckhoff Module KL3021
        I found the items I needed with no problem at all.
        Helpful
        Unhelpful
      • W

        William E.

        Apr 11, 2024

        Beckhoff Module KL3021
        Shipping was incredibly fast and the product was a great value.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Beckhoff Module KL3021
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Beckhoff Module KL3021

      $ 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 EL2819

      Beckhoff Module EL2819

      US$461.54
      New In stock for sale, Allen-Bradley PLC 1785-ENET C

      Allen-Bradley PLC 1785-ENET C

      US$2062.50
      New In stock for sale, Beckhoff Module EL6632-1000

      Beckhoff Module EL6632-1000

      US$1286.75
      New In stock for sale, Beckhoff Module CX51300121

      Beckhoff Module CX51300121

      US$745.00
      New In stock for sale, Beckhoff Module EL6731-1006

      Beckhoff Module EL6731-1006

      US$1118.38
      New In stock for sale, Beckhoff Module EL6750

      Beckhoff Module EL6750

      US$863.75
      New In stock for sale, KRIWAN Module INT69V/7-Ⅱ

      KRIWAN Module INT69V/7-Ⅱ

      US$122.10
      New In stock for sale, Mitsubishi Module FCUA-DX121

      Mitsubishi Module FCUA-DX121

      US$382.61
      New In stock for sale, Weidmuller Module EPAK-PCI-CO

      Weidmuller Module EPAK-PCI-CO

      US$596.60
      New In stock for sale, Emerson Module KJ3203X1-BA2

      Emerson Module KJ3203X1-BA2

      US$2783.50
      New In stock for sale, Yaskawa Servo Motor SGMSH-40DCA6F-OY

      Yaskawa Servo Motor SGMSH-40DCA6F-OY

      US$922.69
      New In stock for sale, Fanuc Servo Drive A06B-6122-H030#H553

      Fanuc Servo Drive A06B-6122-H030#H553

      US$13276.20
      New In stock for sale, Autonics Rotary Encoder E40H10-512-6-L-5

      Autonics Rotary Encoder E40H10-512-6-L-5

      US$166.15
      New In stock for sale, LG LS PLC XBC-DN64H

      LG LS PLC XBC-DN64H

      US$2276.92

      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, Fuji VFD Frequency Converter FRNF12C1E-2E21

      Fuji VFD Frequency Converter FRNF12C1E-2E21

      Contact Us
      New In stock for sale, Fuji Contactor SS1203E-1Z-A1/F-A3/T

      Fuji Contactor SS1203E-1Z-A1/F-A3/T

      Contact Us
      New In stock for sale, ABB Servo Motor ESM13E-152-152-T2B0A00

      ABB Servo Motor ESM13E-152-152-T2B0A00

      Contact Us
      New In stock for sale, GATES Belt 11 / A68

      GATES Belt 11 / A68

      Contact Us
      New In stock for sale, Iwaki Diaphragm Pump EWN-C31PC1EWECC

      Iwaki Diaphragm Pump EWN-C31PC1EWECC

      Contact Us
      New In stock for sale, CHINT Contactor NCZ2-100/D10/12L15M

      CHINT Contactor NCZ2-100/D10/12L15M

      Contact Us
      New In stock for sale, SKF Bearing NU 2226 ECP/C3

      SKF Bearing NU 2226 ECP/C3

      US$1166.55
      New In stock for sale, Emerson Nidec Frequency Converter VFD SP4602

      Emerson Nidec Frequency Converter VFD SP4602

      US$10583.81
      New In stock for sale, Mitsubishi Servo Motor HG-KR73BJG1D

      Mitsubishi Servo Motor HG-KR73BJG1D

      Contact Us
      New In stock for sale, BROAD-OCEAN Electric Motor Y6S443B211

      BROAD-OCEAN Electric Motor Y6S443B211

      US$129.88

      Recent related posts

      The way is right

      08/13/2020

      The way is right

      Nowadays, cold storage has been widely used in the preservation of vegetables, fruits, fish and meat. But sometimes after use, there will inevitably be some aftertaste inside;

      Analysis of the cause of excessive suction temperature of compressor

      06/29/2020

      Analysis of the cause of excessive suction temperature of compressor

      Analysis of the cause of excessive suction temperature of compressor The high suction temperature is mainly due to the increase of superheat of suction. Note that high suction temperature does not mean high suction pressure, because the suction is superheated steam. Under normal circumstances, the compressor cylinder head should be half cold and half hot. If the suction temperature is too high, the cylinder head will all heat up.

      Frost in industrial chillers should be dealt with in time

      08/17/2020

      Frost in industrial chillers should be dealt with in time

      When enterprises use industrial chillers, it is easy to find that different types of industrial chillers will have different degrees of frosting failure. A large amount of frost will limit the working efficiency of the evaporator and the equipment is in a碌7館2䀀締眪湠眷VV

      What to do if the air conditioner protection light is flashing and not cooling

      07/30/2020

      What to do if the air conditioner protection light is flashing and not cooling

      What to do if the air conditioner protection light is flashing and not cooling<br></br> In the entire home repair industry, what can quickly arouse the attention of users is the previous TV repair, and the current air conditioning repair is also one

      Selection and comparison of compressors

      07/27/2020

      Selection and comparison of compressors

      1. Piston compressor (the work of the piston compressor is the continuous change of the working volume formed by the cylinder, the valve and the reciprocating piston in the cylinder). 

      The health market ushered in new changes, and the concept of air-conditioning cleanliness will be redefined

      08/24/2020

      The health market ushered in new changes, and the concept of air-conditioning cleanliness will be redefined

      A new turning point belonging to the consumer market for healthy air conditioners is once again placed in front of all enterprises, merchants and users. The creator of this turning point is the Oaks air conditioner leading the trend of Internet appliance revolution.

      Common sense of home appliances how to use an air conditioner for ten years

      08/20/2020

      Common sense of home appliances how to use an air conditioner for ten years

      The weather is getting hotter, and many users have turned on air conditioners. However, many people also responded that the air conditioner in their home was only newly bought, so why didn't they work?

      Why does the scroll refrigeration compressor reverse? What about reversal?

      07/19/2020

      Why does the scroll refrigeration compressor reverse? What about reversal?

      We know that the operation of the internal compression structure of the refrigeration compressor has a fixed direction. First of all, we need to make it clear: the occurrence of reverse rotation must be unfavorable for the refrigeration compressor.

      Direct-Acting vs. Pilot-Operated Solenoid Valve: Understanding the Difference

      07/01/2024

      Direct-Acting vs. Pilot-Operated Solenoid Valve: Understanding the Difference

      Solenoid valves play a crucial role in controlling the flow of fluids or gases in various industrial and commercial applications. Among the different types available, two prominent ones are direct-acting solenoid valves and pilot-operated solenoid valves.

      You should know the normal working condition of the compressor in the cold storage

      06/30/2020

      You should know the normal working condition of the compressor in the cold storage

      You should know the normal working condition of the compressor in the cold storage 1. The suction temperature of the compressor should be 5-15℃ higher than the evaporation temperature.

      • 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 :

      Allen Bradley Module Kuroda Module LS Module B&R Module Murr Elektronik Module Schneider Module Phoenix Contact Module Siemens Module Advantech Module Beckhoff Module SKiiP 25AC12T2 EL7332 EP9224-0023 1785-ENET-C ES3702 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 5ps132eaa22 ad0824hb a70gl Carrier 06DR241BCC06C0 Copeland CRFQ-0250-PFJ-522 D05U 12TS1 Daikin JT170G-P4Y1 e40h8 1024 3 t 24 Ebmpapst G1G140-AW31-42 fuji magnetic contactor sc n5 h2bg094dbee Huayi HYE113MSU JSMA-MB10ABK KAKU KA1238HA1BAT MAC 44C-ABA-GFL0-1PB maneurop mt22jc4ave Moog Servo Valve D682Z4862G MSMD012G1V Nidec D1751P24B8PP340 shy33mc4 u hitachi TFB0412EHN

      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