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
      • HONGFA Relay HFD4-3
      1/1
      HONGFA Relay HFD4-3
      $ 7 .69

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

      Quantity
      MOQ : 41
      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
      Signal Relay HFD4
      Offers excellent board space savings
      Meets EC62368-1
      High contact capacity 2A 30VDC

      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

      • W

        William Knox

        Jul 27, 2025

        HONGFA Relay HFD4-3
        The staff were incredibly helpful and went above and beyond to help us.
        Helpful
        Unhelpful
      • R

        Robert Whitford

        Jul 04, 2025

        HONGFA Relay HFD4-3
        We're always getting fast responses from Control Central.
        Helpful
        Unhelpful
      • B

        Brandon M. Braden

        Jan 16, 2025

        HONGFA Relay HFD4-3
        You exceeded my expectations, excellent!
        Helpful
        Unhelpful
      • J

        Jose Acosta

        Dec 18, 2024

        HONGFA Relay HFD4-3
        It was exactly what I ordered and I received it promptly.
        Helpful
        Unhelpful
      • D

        Don Reed

        Sep 28, 2024

        HONGFA Relay HFD4-3
        Smooth sailing, got everything I needed.
        Helpful
        Unhelpful
      • B

        Brian Forbes

        Aug 09, 2024

        HONGFA Relay HFD4-3
        Muy contento con mi experiencia y mi pedido fue correcto. El envío fue rápido. Gracias
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        HONGFA Relay HFD4-3
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      HONGFA Relay HFD4-3

      $ 7 .69
      Click here to view shipping costs.

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

      Quantity
      MOQ : 41
      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, HONGFA Relay HF49FD-005-1H11

      HONGFA Relay HF49FD-005-1H11

      US$10.56
      New In stock for sale, TURCK Relay IM33-22Ex-Hi 24VDC

      TURCK Relay IM33-22Ex-Hi 24VDC

      US$569.23
      New In stock for sale, Oxford Transformer A262A3E

      Oxford Transformer A262A3E

      US$80.77
      New In stock for sale, IDEC Circuit Breaker NRAN2100

      IDEC Circuit Breaker NRAN2100

      US$99.62
      New In stock for sale, Schneider Contactor LC1E9511

      Schneider Contactor LC1E9511

      US$184.62
      New In stock for sale, PHOENIX Surge Protection DeviceFLT-SEC-P-T1-3S-350/25-FM

      PHOENIX Surge Protection DeviceFLT-SEC-P-T1-3S-350/25-FM

      US$1923.08
      New In stock for sale, Ferraz Shawmut Fuse DN000UB50V400L

      Ferraz Shawmut Fuse DN000UB50V400L

      US$50.00

      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, SKF Bearing 22317 CCK/W33

      SKF Bearing 22317 CCK/W33

      US$230.77
      New In stock for sale, Toshiba Compressor DA130A1FJH-10A

      Toshiba Compressor DA130A1FJH-10A

      Contact Us
      New In stock for sale, Bristol Compressor H21J253ABCC

      Bristol Compressor H21J253ABCC

      Contact Us
      New In stock for sale, Copeland Compressor 4DR1-3000-TSE-800

      Copeland Compressor 4DR1-3000-TSE-800

      Contact Us
      New In stock for sale, Autonics Digital Display Controller DPU13C-350N

      Autonics Digital Display Controller DPU13C-350N

      Contact Us
      New In stock for sale, Eaton Contactor 6002H412

      Eaton Contactor 6002H412

      Contact Us
      New In stock for sale, Bristol Compressor H29A543DBLB

      Bristol Compressor H29A543DBLB

      Contact Us
      New In stock for sale, LINEAR IC Integrated Circuit LT3507AIUHF#TRPBF

      LINEAR IC Integrated Circuit LT3507AIUHF#TRPBF

      US$59.05
      New In stock for sale, SOG Oil Seal TC90*110*10

      SOG Oil Seal TC90*110*10

      US$17.31
      New In stock for sale, Sanyo Denki Fan 9G0824H1D03

      Sanyo Denki Fan 9G0824H1D03

      US$16.95

      Recent related posts

      The difference between cross-flow cooling tower and counter-flow cooling tower

      08/20/2020

      The difference between cross-flow cooling tower and counter-flow cooling tower

      The so-called cross-flow cooling tower is a type of cooling tower that allows air to flow horizontally through the water spray filler, and the water dragon falls vertically from the top of the tower

      How to choose the correct cold storage condenser

      08/19/2020

      How to choose the correct cold storage condenser

      The condenser is one of the main heat exchange equipment in the cold storage refrigeration system, and its function is to cool and condense the high-temperature refrigerant superheated

      Application of DCS system in anti-surge control system of air separation compressor

      09/23/2020

      Application of DCS system in anti-surge control system of air separation compressor

      Keywords: DCS system, air separation compressor, anti-surge control system Preface    The 6000m3/h air separation plant of Xilin Iron and Steel Company was completed in May 2001 by Hangzhou Oxygen Concentrator Group Company. The factory design was designed by Beijing Iron and Steel Design Institute. It was successfully put into operation on September 2, 2001, and it took more than half a year to run. It shows that the unit is operating stably, and all indicators have reached or exceeded the design value. The entire control system uses Honeywell’s TDC3000 and two GUS stations.

      Classifications and Features of Optical Fiber Amplifiers

      12/21/2022

      Classifications and Features of Optical Fiber Amplifiers

      An optical fiber amplifier, abbreviated as OFA, refers to a new type of all-optical amplifier used in optical fiber communication lines to achieve signal amplification.

      Copeland compressor What is multi-stage compression why

      06/30/2020

      Copeland compressor What is multi-stage compression why

      Copeland compressor What is multi-stage compression why Copeland Compressor is a major brand of our Gaolun Compressor and one of the most popular products. A lot of understanding of the basic knowledge of the compressor can help us use it better. One of the compressor concepts is called "multi-stage compression". I don't know if you have any idea?

      Analysis of common failure causes of totally enclosed refrigeration compressor2

      06/14/2020

      Analysis of common failure causes of totally enclosed refrigeration compressor2

      Analysis of common failure causes of totally enclosed refrigeration compressor 1. How to identify the three binding posts on the casing of the hermetic compressor? Running end (R), starting end (S), common end (C), the resistance between RS is greater器2䀀ᅵ皥䖒皦즠Ʋ焬क़㲈Ʋ䌁皦ᮔDž༬皧然क़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忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧ѐ識

      How does the air conditioner automatically control the indoor temperature, and how does the elevator achieve automatic operation

      06/20/2020

      How does the air conditioner automatically control the indoor temperature, and how does the elevator achieve automatic operation

      In the hot summer or cold winter, we all want to stay in a comfortable environment with a moderate temperature and low humidity, and the breeze is clean. <img src="{{media url=&quot;How_does_the_air_conditioner_automatically_control_the_indoor_temperature.jpg&quot;}}" alt="" />The learning and working efficiency in this environment is very high. The air conditioner is an electrical appliance that can automatically adjust the indoor temperature, and it is becoming more and more popular.

      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.

      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.

      Reasons and necessity of overhaul of oil-injected twin-screw air compressor

      06/03/2025

      Reasons and necessity of overhaul of oil-injected twin-screw air compressor

      The structure of the main engine (also known as the head) of an oil-injected twin-screw air compressor is usually composed of a pair of mutually meshing screws, main engine casing, high-pressure end and end cover, and low-pressure end and end cover.

      • 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 :

      CRYDOM Relay JEL Relay TURCK Relay HONGFA Relay Delixi Relay TOGAMI Relay Pilz Relay SIEMENS Relay UE10-30S JK4C40A-2A100 UE10-30S IM33-22Ex-Hi 24VDC S1C-225WDV 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 5KS205EAA21 ad0812ub a70gl Bristol L63A113DBEA CKD 4GB319-00-3 Daikin JRP-G02-1-S-30 Danfoss 042N7546 FUJIKOKI EFM-40YGMDZ-101R 3R26 Honeywell TMX-00068 jiaxipera TU1114Y KAKU KA1238HA2B KH145VHFA Mitsubishi TH338VEEC Moog Servo Valve D684Z4815G Parker Sporlan 111231 QUINT-PS/3AC/24DC/10 2866705 shy33mc4 u hitachi SUNON EFB0151S1-C010-S99 tfh2480z yaskawa sgdv 120a01a Ziehl Abegg FN071-SDQ-6F-V7P1

      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