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
Delixi
Delixi
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Air Cylinder
    Air Cylinder
  • Transformer
    Transformer
  • Solenoid Valve
    Solenoid Valve
  • Contactor
    Contactor
  • Fan
    Fan
  • Fuel Water Separator
    Fuel Water Separator
  • Fuse
    Fuse
  • Relay
    Relay
CRYDOM
CRYDOM
  • Contactor
    Contactor
  • Relay
    Relay
HONGFA
HONGFA
  • Relay
    Relay
JEL
JEL
  • Relay
    Relay
Pilz
Pilz
  • Relay
    Relay
SIEMENS
SIEMENS
  • Encoder
    Encoder
  • Actuator
    Actuator
  • Electric Motor
    Electric Motor
  • Butterfly Valve
    Butterfly Valve
  • Ball Valve
    Ball Valve
  • Relay
    Relay
  • Capacitor
    Capacitor
  • IC
    IC
  • Servo Motor
    Servo Motor
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
      • Pilz Relay 840740
      1/1
      Pilz Relay 840740
      $ 511 .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
      Relay module
      Monitoring relay

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Are the actual colors of the products consistent with the pictures?

        A: We do our best to ensure the accuracy of product images. However, due to variations in display devices and lighting conditions, there may be slight differences in actual colors. We provide detailed color descriptions to assist you in making better choices.

      • Q: Can I change the size or color of an item after placing an order?

        A: If you need to change the size or color of an item after placing an order, please contact our customer service team as soon as possible. We will assist you in modifying the order if it hasn't been processed for shipping.

      • Q: Is this e-commerce platform trustworthy?

        A: Yes, our e-commerce platform has been audited and certified to ensure a safe and reliable shopping environment and has a good reputation among numerous users.

      View More
      Question has been sent successfully

      Reviews

      • J

        Jonathan Daine

        Mar 25, 2026

        Pilz Relay 840740
        Did everything they were to do. I will use them again.
        Helpful
        Unhelpful
      • S

        Stephanie Kaufman

        Apr 27, 2025

        Pilz Relay 840740
        Super fast and accurate, thanks!
        Helpful
        Unhelpful
      • M

        MARSHA VOIGT-ZEMO

        Aug 26, 2024

        Pilz Relay 840740
        I made the decision to buy it after reading the great reviews.
        Helpful
        Unhelpful
      • D

        Donald Myers

        Aug 18, 2024

        Pilz Relay 840740
        Outstanding pictures
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Pilz Relay 840740
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Pilz Relay 840740

      $ 511 .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, Pilz Relay 772142

      Pilz Relay 772142

      US$192.31
      New In stock for sale, Pilz Relay 891020

      Pilz Relay 891020

      US$572.31
      New In stock for sale, Pilz Relay 787140

      Pilz Relay 787140

      US$1366.15
      New In stock for sale, Pilz Relay 746181

      Pilz Relay 746181

      US$576.92
      New In stock for sale, OMRON Relay G7J-2A2B-B

      OMRON Relay G7J-2A2B-B

      US$207.69
      New In stock for sale, SIEMENS Relay 3RH2131-2AF00

      SIEMENS Relay 3RH2131-2AF00

      US$171.35
      New In stock for sale, FUJITSU Relay RS16-DE04

      FUJITSU Relay RS16-DE04

      US$700.00
      New In stock for sale, SIEMENS Relay 3RF2170-1AA06

      SIEMENS Relay 3RF2170-1AA06

      US$253.46
      New In stock for sale, CHINT Transformer TDGC2J-0.5

      CHINT Transformer TDGC2J-0.5

      US$41.25
      New In stock for sale, Eaton Moeller Circuit Breaker NZMH2-M20

      Eaton Moeller Circuit Breaker NZMH2-M20

      US$735.29
      New In stock for sale, ALBRIGHT Contactor SW180B-1151

      ALBRIGHT Contactor SW180B-1151

      US$103.85
      New In stock for sale, CITEL Surge Protection Device DS43S-690

      CITEL Surge Protection Device DS43S-690

      US$708.05
      New In stock for sale, Siemens Fuse 3NC1003

      Siemens Fuse 3NC1003

      US$50.60

      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 Temperature Controller PXR4TAY1-8V000-C

      FUJI Temperature Controller PXR4TAY1-8V000-C

      US$323.08
      New In stock for sale, Copeland Compressor 2DC3-050E-TFE-201

      Copeland Compressor 2DC3-050E-TFE-201

      Contact Us
      New In stock for sale, LYC Bearing NU1013

      LYC Bearing NU1013

      US$126.92
      New In stock for sale, Siemens Circuit Breaker ED22B090

      Siemens Circuit Breaker ED22B090

      Contact Us
      New In stock for sale, Bosch Rexroth Proportional Valve DBET-5X/315G24NK4V-1

      Bosch Rexroth Proportional Valve DBET-5X/315G24NK4V-1

      Contact Us
      New In stock for sale, Copeland Compressor ZOD104KCE-TF5-269

      Copeland Compressor ZOD104KCE-TF5-269

      Contact Us
      New In stock for sale, Shinano Kenshi Electric Motor STP-60D3022

      Shinano Kenshi Electric Motor STP-60D3022

      Contact Us
      New In stock for sale, Teco TAIAN VFD Frequency Converter A510-4150-C3-U

      Teco TAIAN VFD Frequency Converter A510-4150-C3-U

      Contact Us
      New In stock for sale, Sanyo Denki Servo Motor P30B04010DXS8FM

      Sanyo Denki Servo Motor P30B04010DXS8FM

      US$1555.56
      New In stock for sale, Schneider Relay LRD02C

      Schneider Relay LRD02C

      US$24.53

      Recent related posts

      These three factors affect the drying effect of the adsorption dryer

      09/05/2020

      These three factors affect the drying effect of the adsorption dryer

      Both compressed air refrigeration dryers (hereinafter referred to as cold dryers) or compressed air adsorption dryers (hereinafter referred to as suction dryers) are compressed air post-processing equipment

      How to Set Air Compressor Pressure

      07/13/2022

      How to Set Air Compressor Pressure

      Air compressors can be used to power all kinds of pneumatic tools, such as nail guns and other handy tools you might find yourself using to get construction and building projects done more quickly.

      What are the characteristics of logistics cold storage construction

      08/09/2020

      What are the characteristics of logistics cold storage construction

      With the rapid development of modern commerce, the original cold storage for product storage has become increasingly unable to meet the rapid, accurate, and small-batch circulation needs of modern commodities.

      What is A VFD?

      06/17/2022

      What is A VFD?

      A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor.

      Everyone is doing compressor energy saving transformation, you have to master these dozens of methods

      09/07/2020

      Everyone is doing compressor energy saving transformation, you have to master these dozens of methods

      Replacement of compressor air source with energy-saving compressor   In today's industrial field, screw compressors have become the largest type of compressors due to their sturdiness and ease of maintenance, and they have a wide range of uses. However,

      How to prevent high temperature alarm of industrial chiller

      08/20/2020

      How to prevent high temperature alarm of industrial chiller

      In the hot and hot summer, the frequency of use of industrial chillers is the highest in a year, and summer is also the season when industrial chillers have the most frequent high temperature alarms.

      Talking about the advantages of compressor enthalpy increasing technology

      07/01/2020

      Talking about the advantages of compressor enthalpy increasing technology

      Talking about the advantages of compressor enthalpy increasing technology The air-jet enthalpy-increasing compressor adopts two-stage throttling intermediate air-jet technology, and uses a flash evaporator to separate gas and liquid to achieve an enthalpy-increasing effect. This compressor jet enthalpy increasing technology has many advantages, as follows:

      Methods of handling sudden failures of precision air conditioners

      08/20/2020

      Methods of handling sudden failures of precision air conditioners

      1. Leakage treatment steps for precision air conditioning units   Leak handling operation precautions: Never destroy the vacuum artificially. If it is not certain that the unit has indeed leaked air into the unit, operation cannot be performed.

      The development trend of compressed air post-treatment dryer

      09/08/2020

      The development trend of compressed air post-treatment dryer

      Regarding the compressed air post-treatment dryer equipment currently on the market, from the perspective of technology and treatment effects, traditional compressed air post-

      Quality is the life of a factory, but why is the position of quality-oriented the most embarrassing

      09/04/2020

      Quality is the life of a factory, but why is the position of quality-oriented the most embarrassing

      Many factories believe that quality is the life of the factory. The managers of the factory also attach great importance to quality, but they would rather invest more sales staff in sales to push products

      • 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 :

      Delixi Relay TOGAMI Relay CRYDOM Relay Pilz Relay TURCK Relay JEL Relay SIEMENS Relay HONGFA Relay HFA6/24-5H1DTGF UE10-30S S201S01 S1C-225WDV SN-24A01F-S-104A 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 2866695 ad0812hs a70gl AKA5512EXD ANB66FVAMT Bristol H23A383ABKA BSB05505HP CKD 4F310-10-B-AC100V CKD GAB312-1-10-03A-AC220V Copeland CS14K6E-PFV-256 e40s6 5000 3 t 24 ESDA-40C Honeywell TLEX-20093 jiaxipera TU1114Y kde1204pfvx MCSCP024DG000010 MDME152G1H Parker 483510S6XS03XS6F Parker Sporlan 111333 Rexroth 4WE 10 H33/CG24N9K4 SUNKWANG SK-KCS 900S

      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