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 6SE6440-2UD31-5DA1
      1/1
      Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
      $ 3,307 .69

      ✔ 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: Do you offer price matching if I find a lower price elsewhere?

        A: We strive to offer competitive prices to our customers. If you find a lower price for the same product elsewhere, please contact our customer service with the details, and we will review your request on a case-by-case basis.

      • Q: How can I provide feedback or review a product?

        A: You can provide feedback or review a product by accessing the product page and clicking on the "Write a Review" or "Leave Feedback" option. Share your experience and opinions to help other shoppers make informed decisions.

      • Q: Are my personal details shared with third parties?

        A: We prioritize the privacy and security of your personal information. We do not share your details with third parties without your consent, except in cases where it is necessary for order fulfillment or as required by law.

      View More
      Question has been sent successfully

      Reviews

      • Z

        Zenon Kolacz

        Aug 19, 2025

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        It was a wonderful experience.
        Helpful
        Unhelpful
      • R

        Ryan Krueger

        Jun 06, 2025

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        Quick and convenient shipping.
        Helpful
        Unhelpful
      • P

        Paul Sinnott

        Apr 15, 2025

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        Smooth sailing when it came to navigating and ordering!
        Helpful
        Unhelpful
      • E

        Eric Dellinger

        Mar 21, 2025

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        Supreme service
        Helpful
        Unhelpful
      • M

        Muhilan Natarajan

        Mar 16, 2025

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        Amazing quick service!
        Helpful
        Unhelpful
      • R

        Ryan Lynch

        Mar 07, 2024

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        good price
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens VFD Frequency Converter 6SE6440-2UD31-5DA1

      $ 3,307 .69
      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 6SL3210-1PE11-8UL1

      Siemens Frequency Converter VFD 6SL3210-1PE11-8UL1

      US$390.63
      New In stock for sale, Siemens Frequency Converter VFD 6SL3210-1SE26-0AA0

      Siemens Frequency Converter VFD 6SL3210-1SE26-0AA0

      US$5273.44
      New In stock for sale, Siemens Frequency Converter VFD 6SL3120-2TE13-0AA4

      Siemens Frequency Converter VFD 6SL3120-2TE13-0AA4

      US$1289.06
      New In stock for sale, Siemens Frequency Converter VFD 6SL3120-1TE26-0AA3

      Siemens Frequency Converter VFD 6SL3120-1TE26-0AA3

      US$5078.13
      New In stock for sale, INVT Frequency Converter VFD CHV100-015G/018P-4

      INVT Frequency Converter VFD CHV100-015G/018P-4

      US$836.54
      New In stock for sale, Emerson Nidec Frequency Converter VFD M200-02200042A

      Emerson Nidec Frequency Converter VFD M200-02200042A

      US$384.25
      New In stock for sale, ENC VFD Frequency Converter EDS800-2S0015N

      ENC VFD Frequency Converter EDS800-2S0015N

      US$261.11
      New In stock for sale, Emerson Nidec Frequency Converter VFD M700-06400470A

      Emerson Nidec Frequency Converter VFD M700-06400470A

      US$8205.25
      New In stock for sale, Sanyo Denki Servo Motor R2AA08075FCP00

      Sanyo Denki Servo Motor R2AA08075FCP00

      US$2884.62
      New In stock for sale, Allen Bradley Servo Drive 2099-BM07-S

      Allen Bradley Servo Drive 2099-BM07-S

      US$7705.00
      New In stock for sale, XINJE TouchWin HMI TH865-UT

      XINJE TouchWin HMI TH865-UT

      US$634.62
      New In stock for sale, Honeywell Actuator M7294Q1007/U

      Honeywell Actuator M7294Q1007/U

      US$1423.08
      New In stock for sale, NIDEC Reduction Drive Gearbox Speed Reducer VRSF-10C-750-RV

      NIDEC Reduction Drive Gearbox Speed Reducer VRSF-10C-750-RV

      US$619.85
      New In stock for sale, Sinfonia PLC C10-1VCP

      Sinfonia PLC C10-1VCP

      US$980.77
      New In stock for sale, MITSUBISHI Spindle Amplifier MDS-C1-SP-75

      MITSUBISHI Spindle Amplifier MDS-C1-SP-75

      US$4769.23
      New In stock for sale, Winyao NIC Card WYI350F2

      Winyao NIC Card WYI350F2

      US$339.69
      New In stock for sale, Beckhoff Module CX8080

      Beckhoff Module CX8080

      US$1164.62
      New In stock for sale, EXIDE Battery EB14L-B2

      EXIDE Battery EB14L-B2

      US$68.21

      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, OMRON Relay G6S-2G-Y-TR DC4.5

      OMRON Relay G6S-2G-Y-TR DC4.5

      US$8.94
      New In stock for sale, PIZZATO Switch FD 738

      PIZZATO Switch FD 738

      US$195.00
      New In stock for sale, CRYDOM Relay HA4850

      CRYDOM Relay HA4850

      US$224.42
      New In stock for sale, GUOMAO Reduction Drive Gearbox Speed Reducer BLD0-17-0.55

      GUOMAO Reduction Drive Gearbox Speed Reducer BLD0-17-0.55

      US$244.53
      New In stock for sale, Bosch Rexroth Proportional Valve DREME20-5X/100YMG24K31M

      Bosch Rexroth Proportional Valve DREME20-5X/100YMG24K31M

      US$2500.00
      New In stock for sale, CHELIC Pneumatic Equipment Air Cylinder JDAD63*15

      CHELIC Pneumatic Equipment Air Cylinder JDAD63*15

      US$67.31
      New In stock for sale, Copeland Compressor ZF25K4E-TF0-265

      Copeland Compressor ZF25K4E-TF0-265

      Contact Us
      New In stock for sale, Banner Light Curtain LS2HDLP30-450Q88

      Banner Light Curtain LS2HDLP30-450Q88

      US$1205.20
      New In stock for sale, ARK Air Cylinder KCP95SDB50-175

      ARK Air Cylinder KCP95SDB50-175

      US$71.15
      New In stock for sale, Mean Well Power Supply HSP-500-24

      Mean Well Power Supply HSP-500-24

      US$1500.00

      Recent related posts

      6 Common Faults of Encoder?

      06/25/2022

      6 Common Faults of Encoder?

      If motion control is important to your production, then your encoder is one of the keys to your success. Encoders are exposed to shock, contaminants/oil, excess vibration, moisture

      Newly manufactured or overhauled compressors should do these inspections

      06/30/2020

      Newly manufactured or overhauled compressors should do these inspections

      Newly manufactured or overhauled compressors should do these inspections Newly manufactured or repaired compressors should undergo a test drive test. During the test, check:

      Coronavirus’ business impact: Oil Free Compressor Market Size, Share – Global Industry Report, 2018 to 2028

      07/03/2020

      Coronavirus’ business impact: Oil Free Compressor Market Size, Share – Global Industry Report, 2018 to 2028

      COVID-19 (Coronavirus) has resulted in many advantages and disadvantages for companies in the Oil Free Compressor market. Research report of this Oil Free Compressor market is highlights key strategies that can help reduce the impact of COVID-19 on diverse business practices.

      Matters needing attention when installing rock wool board in cold storage

      08/07/2020

      Matters needing attention when installing rock wool board in cold storage

      In order to allow us to eat the food we want at any time, many businesses have their own cold storage, or have installed a semi-hermetic refrigeration compressor, through which the food can be well preserved.

      Industrial chiller fault code corresponding fault description and operation

      08/17/2020

      Industrial chiller fault code corresponding fault description and operation

      Industrial chillers will inevitably have various types of failures during high-efficiency and long-term overload operation. Today, the editor of okmarts.com mainly shares with you the common failures in industrial chillers.

      Brief Discussion on Recruitment of Talents for Air Compressor System Energy Saving Service

      08/31/2020

      Brief Discussion on Recruitment of Talents for Air Compressor System Energy Saving Service

      Not long ago, in the article "Analysis of Talent Demand in Air Compressor System Energy-saving Service Industry", the author only briefly analyzed the ability of technical, business, and marketing talents in the air compressor system energy-saving service industry

      What are the 4 Main Components in a Central AC System

      08/06/2025

      What are the 4 Main Components in a Central AC System

      There are four main components in the central air conditioning system, namely: compressor, condenser, throttling device, and evaporator. Evaporators and condensers are collectively referred to as heat exchangers

      Air compressor alarm mechanism, how much do you know

      09/07/2020

      Air compressor alarm mechanism, how much do you know

      As a mechanical equipment for manufacturing compressed air, air compressors are inevitable due to long-term operation. If the air compressor fails, it will affect the production of the user enterprise and cause losses.

      Chilled Water System: Basics, Working Principle Diagram, Types and More

      08/07/2025

      Chilled Water System: Basics, Working Principle Diagram, Types and More

      A chilled water system is a type of HVAC (heating, ventilation, and air conditioning) system that provides cooling through the circulation of chilled water.

      Hitachi screw compressor failure case

      07/05/2020

      Hitachi screw compressor failure case

      Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use

      • 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 Yaskawa VFD Allen Bradley VFD VACON VFD Holip VFD Lenze VFD Fuji VFD Delta VFD GEFRAN SIEI VFD LS VFD NXL00315C2H1SSS00AA VFD550B43A VFD007S11A SV100-2S-0007G NXL00315C2H1SSS00AA 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 2866705 ae2420z aj5515e ava5546exn awa7512zxd Copeland CRN5-0500-TFD-270 Ebmpapst G1G140-AW31-42 FESTO VSNB-FC-M52-MH-G14-MSF FUJIKOKI DPF1.6FUJIKOKI Hitachi SHY73MC4-U kd1208pts3 LG LX86LPBP LG NSA36LACG MSMD012P1C ndr 480 24 NH52NAHT NMB-MAT 3115RL-05W-B69 PA160X2CS-3KUU Parker 443798W Rechi Compressor

      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