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
VACON
VACON
  • VFD
    VFD
Inovance
Inovance
  • HMI
    HMI
  • VFD
    VFD
  • Memory Cards & Readers
    Memory Cards & Readers
Fuji
Fuji
  • HMI
    HMI
  • VFD
    VFD
  • Transmitter
    Transmitter
  • Circuit Breaker
    Circuit Breaker
  • PLC
    PLC
  • Contactor
    Contactor
  • Surge Protection Device
    Surge Protection Device
  • Industrial Belt
    Industrial Belt
  • Flowmeter
    Flowmeter
  • Fuse
    Fuse
  • Fan
    Fan
  • Relay
    Relay
  • Power Supply
    Power Supply
  • Battery
    Battery
Panasonic
Panasonic
  • Refrigeration Compressors
    Refrigeration Compressors
  • HMI
    HMI
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Sensor
    Sensor
  • Gearbox
    Gearbox
  • Contactor
    Contactor
  • PLC
    PLC
  • Electric Motor
    Electric Motor
  • Flowmeter
    Flowmeter
  • Temperature Controller
    Temperature Controller
  • Relay
    Relay
  • Module
    Module
  • Industrial Heater
    Industrial Heater
  • Expansion Valve Coil
    Expansion Valve Coil
  • Resistor
    Resistor
  • Battery
    Battery
  • IC
    IC
  • Air Conditioner
    Air Conditioner
  • Servo Drive
    Servo Drive
  • Servo Motor
    Servo Motor
Yaskawa
Yaskawa
  • Encoder
    Encoder
  • VFD
    VFD
  • PLC
    PLC
  • Servo Drive
    Servo Drive
INVT
INVT
  • VFD
    VFD
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
      • Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
      1/1
      Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
      $ 1,000 .00

      ✔ 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
      The Siemens Frequency Converter VFD is high quality!

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Are there size restrictions for international shipping?

        A: International shipping may have size and weight restrictions depending on the destination country and shipping carrier's policies. During the checkout process, the available shipping options and any size restrictions will be displayed based on the dimensions and weight of the items in your cart.

      • Q: What should I do if I forgot my password?

        A: If you forgot your password, click on the "Forgot Password" link on the login page. Follow the instructions to reset your password.

      • Q: Can I save my payment information for faster checkout?

        A: We prioritize the security of your payment information and do not store sensitive payment details on our servers. However, you may have the option to securely save your payment information with trusted third-party payment processors for faster checkout on future orders.

      View More
      Question has been sent successfully

      Reviews

      • J

        Jed Milhorne

        Aug 06, 2025

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        Wonderful service and superb products.
        Helpful
        Unhelpful
      • J

        John Adams

        Jul 07, 2025

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        Swift and cooperative
        Helpful
        Unhelpful
      • M

        Mark Matsko

        Jul 05, 2025

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        Top-quality service, really impressed.
        Helpful
        Unhelpful
      • A

        Anthony Robinson

        May 21, 2025

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        Smooth and rapid. Appreciate your help!
        Helpful
        Unhelpful
      • J

        Jame Stam

        Feb 01, 2025

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        I’m really thankful for your great service!
        Helpful
        Unhelpful
      • M

        Mac Ross

        Dec 11, 2024

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        All good
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens VFD Frequency Converter 6SE6440-2UC21-1BA1

      $ 1,000 .00
      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, Siemens Frequency Converter VFD 6SL3210-1PB21-0UL0

      Siemens Frequency Converter VFD 6SL3210-1PB21-0UL0

      US$546.88
      New In stock for sale, Siemens Frequency Converter VFD 6SL3210-1PE31-1UL0

      Siemens Frequency Converter VFD 6SL3210-1PE31-1UL0

      US$706.25
      New In stock for sale, Siemens Frequency Converter VFD 6SL3120-1TE13-0AA3

      Siemens Frequency Converter VFD 6SL3120-1TE13-0AA3

      US$703.13
      New In stock for sale, Siemens Frequency Converter VFD 6SL3210-1KE31-4UB1

      Siemens Frequency Converter VFD 6SL3210-1KE31-4UB1

      US$7257.81
      New In stock for sale, Emerson Nidec Frequency Converter VFD M700-09501310E

      Emerson Nidec Frequency Converter VFD M700-09501310E

      US$18124.00
      New In stock for sale, Yaskawa Frequency Converter VFD CIMR-HB4X0045ABC-8100

      Yaskawa Frequency Converter VFD CIMR-HB4X0045ABC-8100

      US$1273.85
      New In stock for sale, Emerson Nidec Frequency Converter VFD SP2201

      Emerson Nidec Frequency Converter VFD SP2201

      US$2645.00
      New In stock for sale, VACON Frequency Converter VFD VACON0020-3L-0005-2-CP+GSCB

      VACON Frequency Converter VFD VACON0020-3L-0005-2-CP+GSCB

      US$3461.54
      New In stock for sale, Kollmorgen Servo Motor AKM74P-ANCNR-00

      Kollmorgen Servo Motor AKM74P-ANCNR-00

      US$12467.50
      New In stock for sale, EATON HMI XV-460-15TXB-1-10

      EATON HMI XV-460-15TXB-1-10

      US$1171.60
      New In stock for sale, HENGSTLER Encoder RI58-O/512AS.41TB

      HENGSTLER Encoder RI58-O/512AS.41TB

      US$330.77
      New In stock for sale, Rockwell AB VFD Frequency Converter 20BD096GKANNADD0

      Rockwell AB VFD Frequency Converter 20BD096GKANNADD0

      US$13616.00
      New In stock for sale, SIEMENS Actuator GLB332.1E

      SIEMENS Actuator GLB332.1E

      US$262.11
      New In stock for sale, KOYO PLC D3-08B-1

      KOYO PLC D3-08B-1

      US$1658.46
      New In stock for sale, JSCC Speed Reducer 80GK10RT

      JSCC Speed Reducer 80GK10RT

      US$184.62
      New In stock for sale, MITSUBISHI Spindle Amplifier MDS-D-SP2-8040

      MITSUBISHI Spindle Amplifier MDS-D-SP2-8040

      US$5076.92
      New In stock for sale, Beckhoff Module KS1418

      Beckhoff Module KS1418

      US$561.54
      New In stock for sale, Sensata-Crydom Relay CWU4810P

      Sensata-Crydom Relay CWU4810P

      US$184.18

      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, SIEMENS Extension Module 6ES7234-4HE32-OXBO

      SIEMENS Extension Module 6ES7234-4HE32-OXBO

      US$557.69
      New In stock for sale, HONGFA Relay HF3FD-006-HST

      HONGFA Relay HF3FD-006-HST

      US$0.77
      New In stock for sale, SMC Solenoid Valve SY5140T-5LZ-02

      SMC Solenoid Valve SY5140T-5LZ-02

      US$175.00
      New In stock for sale, FAIRCHILD IC Integrated Circuit Chip 7411PC

      FAIRCHILD IC Integrated Circuit Chip 7411PC

      US$13.10
      New In stock for sale, Toshiba Compressor ASG195N1SKT

      Toshiba Compressor ASG195N1SKT

      US$352.11
      New In stock for sale, Fuji VFD Frequency Converter FRN22F1E-2C112

      Fuji VFD Frequency Converter FRN22F1E-2C112

      Contact Us
      New In stock for sale, ECJ Bearing 6016(80*125*22)

      ECJ Bearing 6016(80*125*22)

      US$115.38
      New In stock for sale, Sandvik Tool for Metal Cutting Insert N123H2-0400-0004-TM 3115

      Sandvik Tool for Metal Cutting Insert N123H2-0400-0004-TM 3115

      US$38.08
      New In stock for sale, Copeland Compressor ZB114KCE-TEB-230

      Copeland Compressor ZB114KCE-TEB-230

      Contact Us
      New In stock for sale, CRYDOM Relay H12WD48125G

      CRYDOM Relay H12WD48125G

      US$257.69

      Recent related posts

      Teach you ten major inspection standards to see the pros and cons of air conditioners

      08/24/2020

      Teach you ten major inspection standards to see the pros and cons of air conditioners

      The hot summer is approaching the peak season for air-conditioning sales and the peak period for consumers to purchase air-conditioners. Many small partners are often at a loss when faced with the variety of products on the market.

      Anatomy of the pressure adjustment mode of the condenser of the small chiller

      08/04/2020

      Anatomy of the pressure adjustment mode of the condenser of the small chiller

      During the operation of a small chiller, changes in temperature will cause changes in condensing pressure.

      Two products support half of Danfoss refrigeration business

      07/13/2020

      Two products support half of Danfoss refrigeration business

      Danfoss commercial compressor nameplate changes Danfoss piston compressors and scroll compressors have adopted a new nameplate since December 2015. At the same time, the compressor product brand and brand logo have also been adjusted.

      Commercial freezers use repair and maintenance technology

      08/18/2020

      Commercial freezers use repair and maintenance technology

      1. When placing the location, please pay attention to placing it as far away as possible from the heat source or not exposed to direct sunlight, because the freezer itself needs to dissipate heat to the outside world.

      Maintenance method of chiller cooling tower equipment

      08/13/2020

      Maintenance method of chiller cooling tower equipment

      We understand that domestic cooling water towers are structures used for cooling water in power plants, and the general height is determined by the size of the power plant units.

      Detailed analysis of the new fully enclosed compressor in the helicopter environmental control system

      06/16/2020

      Detailed analysis of the new fully enclosed compressor in the helicopter environmental control system

      Detailed analysis of the new fully enclosed compressor in the helicopter environmental control system With the changes in actual demand and technological progress, the refrigeration compressor in the helicopter environmental control system will use an in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

      Mads Clausen - the founder of Danfoss

      01/02/2021

      Mads Clausen - the founder of Danfoss

      From just a single valve and an unquenchable desire to succeed, Danfoss founder, Mads Clausen, created a global business that still sets the standard for innovation today.

      Centrifugal compressor

      06/14/2020

      Centrifugal compressor

      Centrifugal compressor

      Suggestions on safe and intelligent regulation of air conditioning and ventilation systems during epidemic period

      06/06/2025

      Suggestions on safe and intelligent regulation of air conditioning and ventilation systems during epidemic period

      Under the epidemic situation, rework is imminent. We have carefully studied the relevant regulations and guidelines newly implemented in the country during the epidemic period, combined with relevant national regulations,

      Overview of Screw Refrigeration Compressor Technology

      04/11/2025

      Overview of Screw Refrigeration Compressor Technology

      Screw compressors, also known as screw compressors, are divided into single screw compressors and twin screw compressors. The single screw compressor was developed by Sinn, France in the 1970s.

      • 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 :

      INVT VFD Danfoss VFD Delta VFD VACON VFD Fuji VFD Holip VFD TOSHIBA VFD Yaskawa VFD Allen Bradley VFD LS VFD NXL00315C2H1SSS00AA ACSM1-04AM-031A-4 FRN005G11S-4UH NXL00035C1N1SSS00 VFS11S-2015PL-WN(R5) 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 4114N/2H4 APISTEK GA51S2U Bristol H23A353ABHA CAE9460T caj4519z e50s8 200 3 t 24 Hitachi THU33WC6-U IMI Norgren VP1206BG401Q00 jiaxipera VNX1116Y KONOR GP12TG KSB KSB2-028 LG GKS141CMA LG NSA30LACG Nidec U60R12MUBB-57 QUINT-PS/3AC/24DC/10 Rechi 39A171A Rexroth FESX 25CA-1X/210LZ4M SUNON 4555HQ/MG75090V1-1C090-S9A SUNON GB1207PGV1-A Togami PAK-26J

      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. 2017-2025. All Rights Reserved
      © eCommerce. 2017-2025. All Rights Reserved
      Press and drag the mouse to start taking a screenshot