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
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
GE
GE
  • Power Supply
    Power Supply
  • Circuit Breaker
    Circuit Breaker
  • Transformer
    Transformer
  • Electric Motor
    Electric Motor
  • Relay
    Relay
  • Module
    Module
  • Battery
    Battery
  • HMI
    HMI
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
Terasaki
Terasaki
  • Circuit Breaker
    Circuit Breaker
AEG
AEG
  • Circuit Breaker
    Circuit Breaker
  • Contactor
    Contactor
  • Relay
    Relay
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
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 Circuit Breaker 3RV2021-4BA20
      • Siemens Circuit Breaker 3RV2021-4BA20
      • Siemens Circuit Breaker 3RV2021-4BA20
      • Siemens Circuit Breaker 3RV2021-4BA20
      • Siemens Circuit Breaker 3RV2021-4BA20
      1/5
      Siemens Circuit Breaker 3RV2021-4BA20
      $ 277 .79

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

      Quantity
      MOQ : 2
      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
      Type 3RV2
      Breaker Type Motor Protection Circuit Breakers
      Rated current 20
      Number of Poles 2 pole
      Setting range for thermal overload releases 13...20 A
      The Siemens Circuit Breaker is high quality!
      Circuit breaker size S0 for motor protection, CLASS 10 A-release
      13...20 A N-release 260 A Spring-type terminal Standard switching
      capacity
      product brand name SIRIUS
      product designation Circuit breaker
      design of the product For motor protection
      product type designation 3RV2
      General technical data
      size of the circuit-breaker S0
      size of contactor can be combined company-specific S00, S0
      product extension
      auxiliary switch Yes
      power loss W for rated value of the current
      at AC in hot operating state 10.5?W
      at AC in hot operating state per pole 3.5?W
      insulation voltage with degree of pollution 3 at AC
      rated value
      690?V
      surge voltage resistance rated value 6?kV
      maximum permissible voltage for safe isolation
      in networks with grounded star point between
      main and auxiliary circuit
      400?V
      protection class IP
      on the front IP20
      of the terminal IP20
      shock resistance
      acc. to IEC 60068-2-27 25g / 11 ms
      mechanical service life (switching cycles)
      of the main contacts typical 100?000
      of auxiliary contacts typical 100?000
      electrical endurance (switching cycles)
      typical 100?000
      type of protection according to ATEX directive
      2014/34/EU
      Ex II (2) GD
      certificate of suitability according to ATEX directive
      2014/34/EU
      DMT 02 ATEX F 001
      reference code acc. to DIN EN 81346-2 Q
      Ambient conditions
      installation altitude at height above sea level
      maximum
      2?000?m
      ambient temperature
      during operation -20?...?+60?degrees centigrade
      during storage -50?...?+80?degrees centigrade
      during transport -50?...?+80?degrees centigrade
      temperature compensation -20?...?+60?degrees centigrade
      relative humidity during operation 10?...?95?%
      Main circuit
      number of poles for main current circuit 3
      adjustable pick-up value current of the currentdependent overload release
      13?...?20?A
      operating voltage
      rated value 690?V
      at AC-3 rated value maximum 690?V
      operating frequency rated value 50?...?60?Hz
      operating current rated value 20?A
      operating current
      at AC-3
      at 400 V rated value 20?A
      operating power
      at AC-3
      at 230 V rated value 5?500?W
      at 400 V rated value 7?500?W
      at 500 V rated value 11?000?W
      at 690 V rated value 15?000?W
      height 119?mm
      width 45?mm
      depth 97?mm

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: How can I participate in limited-time sales or flash sales?

        A: Limited-time sales or flash deals usually occur within specific periods. You just need to visit the website when the activities start, select the desired items, and place an order to participate.

      • 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.

      • Q: How can I find out about upcoming sales or new product releases?

        A: To stay informed about upcoming sales and new product releases, you can subscribe to our newsletter or follow us on social media platforms. We regularly share updates, promotional offers, and exclusive discounts with our subscribers and followers.

      View More
      Question has been sent successfully

      Reviews

      • J

        John Sewa

        Aug 12, 2025

        Siemens Circuit Breaker 3RV2021-4BA20
        Register and order quickly and easily!
        Helpful
        Unhelpful
      • M

        Mitchell Perry

        Apr 08, 2025

        Siemens Circuit Breaker 3RV2021-4BA20
        The interface is simple and easy to use.
        Helpful
        Unhelpful
      • D

        Don Deiley

        Dec 25, 2024

        Siemens Circuit Breaker 3RV2021-4BA20
        You're a master for the quality parts!
        Helpful
        Unhelpful
      • A

        Angie Mannarelli

        Nov 02, 2024

        Siemens Circuit Breaker 3RV2021-4BA20
        Superb delivery, couldn't be happier.
        Helpful
        Unhelpful
      • D

        Daniel De La Vega

        Oct 29, 2024

        Siemens Circuit Breaker 3RV2021-4BA20
        The website loads in a jiffy.
        Helpful
        Unhelpful
      • B

        Beatriz

        May 21, 2024

        Siemens Circuit Breaker 3RV2021-4BA20
        ¡Buen precio!
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 3RV2021-4BA20
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 3RV2021-4BA20

      $ 277 .79
      Click here to view shipping costs.

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

      Quantity
      MOQ : 2
      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, Schneider Circuit Breaker OSMC65H3C32

      Schneider Circuit Breaker OSMC65H3C32

      US$66.67
      New In stock for sale, Siemens Circuit Breaker 3VM1220-4ED32-0AA0

      Siemens Circuit Breaker 3VM1220-4ED32-0AA0

      US$1153.85
      New In stock for sale, Siemens Circuit Breaker 5SY7503-8CC

      Siemens Circuit Breaker 5SY7503-8CC

      US$69.23
      New In stock for sale, Siemens Circuit Breaker ED43S100A

      Siemens Circuit Breaker ED43S100A

      US$228.85
      New In stock for sale, Siemens Circuit Breaker 5SY7608-7CC

      Siemens Circuit Breaker 5SY7608-7CC

      US$76.54
      New In stock for sale, Siemens Circuit Breaker 5SY4406-8CC

      Siemens Circuit Breaker 5SY4406-8CC

      US$76.23
      New In stock for sale, Rockwell Allen Bradley AB Circuit Breaker 140M-I8P-D10

      Rockwell Allen Bradley AB Circuit Breaker 140M-I8P-D10

      US$506.00
      New In stock for sale, ABB Circuit Breaker GSH202 AC-C16

      ABB Circuit Breaker GSH202 AC-C16

      US$42.97
      New In stock for sale, Siemens Circuit Breaker 5SY4613-8CC

      Siemens Circuit Breaker 5SY4613-8CC

      US$128.56
      New In stock for sale, CHINT Transformer JMB-1500

      CHINT Transformer JMB-1500

      US$175.00
      New In stock for sale, Schneider Contactor LC1F265M7C

      Schneider Contactor LC1F265M7C

      US$871.92
      New In stock for sale, Schneider Surge Protection Device PM6U-GR

      Schneider Surge Protection Device PM6U-GR

      US$121.54
      New In stock for sale, Delixi Fuse HR5-400 250A

      Delixi Fuse HR5-400 250A

      US$264.68
      New In stock for sale, AFE Relay BRT3-SS-124DM

      AFE Relay BRT3-SS-124DM

      US$1.92
      New In stock for sale, UniOhm Resistor 2W18R

      UniOhm Resistor 2W18R

      US$3.85

      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, Bosch Rexroth Proportional Valve 4WRKE16E150L-3X/6EG24TK31/A1D3M

      Bosch Rexroth Proportional Valve 4WRKE16E150L-3X/6EG24TK31/A1D3M

      Contact Us
      New In stock for sale, Panasonic Resistor EXB-34V270JV

      Panasonic Resistor EXB-34V270JV

      Contact Us
      New In stock for sale, Festo Air Cylinder DSBA-F-100-320-CA

      Festo Air Cylinder DSBA-F-100-320-CA

      US$478.85
      New In stock for sale, Johnson Controls Transmitter P499REAR520

      Johnson Controls Transmitter P499REAR520

      US$585.94
      New In stock for sale, Neuma Solenoid Valve NV-ISO2-31-A2

      Neuma Solenoid Valve NV-ISO2-31-A2

      Contact Us
      New In stock for sale, MINDMAN Air Cylinder MCMI-11-10-100

      MINDMAN Air Cylinder MCMI-11-10-100

      US$49.62
      New In stock for sale, ULVAC Vacuum Pump VS750A-A-02222-292131131

      ULVAC Vacuum Pump VS750A-A-02222-292131131

      Contact Us
      New In stock for sale, Fuji VFD Frequency Converter FRN110F1L/D-4C922

      Fuji VFD Frequency Converter FRN110F1L/D-4C922

      Contact Us
      New In stock for sale, Mitsubishi Servo Motor HF-SP152BJ

      Mitsubishi Servo Motor HF-SP152BJ

      US$2472.50
      New In stock for sale, Sanyo Denki Fan 9GV1224G402

      Sanyo Denki Fan 9GV1224G402

      US$43.43

      Recent related posts

      9 Types of Fan Bearing Comparison: How to Have Both Quietness and Longevity?

      10/13/2025

      9 Types of Fan Bearing Comparison: How to Have Both Quietness and Longevity?

      Quietness and longevity have always been two very important performance parameters in the PC heat dissipation field, and the fan can be said to be the biggest source of noise inside the entire computer case.

      What's wrong with the freezer not cooling

      07/14/2020

      What's wrong with the freezer not cooling

      1. Test the power cord with an electric pen. The broken power cord of the freezer is also a cause of non-refrigeration. For this situation, we need to check whether it is a power problem. The general approach is to open the door and observe whether the lighting lamp in the box Light up. Look for signs of damage to the wires, such as being bitten by a mouse.

      The weather turns hot Avoid the risk of epidemic spread due to the use of air conditioning

      06/14/2020

      The weather turns hot Avoid the risk of epidemic spread due to the use of air conditioning

      The weather turns hot: Avoid the risk of epidemic spread due to the use of air conditioning According to the press conference of the 108th New Coronary Pneumonia Epidemic Prevention and Control in Beijing on May 18, 2020, 33 patients with concentrated feﰸ2䀀ᅵ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理

      Reasons and solutions for refrigerator not cooling

      02/26/2021

      Reasons and solutions for refrigerator not cooling

      Refrigerator non-refrigeration is a problem often encountered during the use of refrigerators. Refrigerator non-refrigeration always occurs suddenly. A large number of things that need to be refrigerated suddenly become unpredictable, which greatly affects daily life and wastes time to find.

      Professional answer How to cool the air-cooled chiller

      08/16/2020

      Professional answer How to cool the air-cooled chiller

      According to the cooling method, industrial chillers can be divided into water-cooled chillers and air-cooled chillers. Technically, water-cooled chillers have an energy efficiency ratio of 300 to 500 kcal/h higher than air-cooled chillers;

      Chinese refrigeration compressor industry has huge development space and good prospects

      06/14/2020

      Chinese refrigeration compressor industry has huge development space and good prospects

      Chinese refrigeration compressor industry has huge development space and good prospects The development of China's cold chain logistics is lagging, resulting in a cold chain circulation rate of agricultural products of only 5-20%, while the agricultural ﰸ2䀀ᅵ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理뛐珵Љ䕄ྦ￿￿뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變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džቜ먢䇨珵呈ᠾ뤂ᐱ⷇⬿먲僧ᐱ靖㥲ᐲ�僬㣢ᐲᠾ靖랖僧ࢪﯼ靖�僬㣢ᐲ臆S㥲ᐲᬄğﯼ戴ﯤ艏S練杴 ﯼ杴 㥲ᐲ﯌蒠Sﯼﰸ ﲨ囬ᐱ囸ᐱ嵭僦㠦ᐲᔇ僦囸ᐱﭰ廼僦囬ᐱᙐ僦㠲ᐲ嵥僦ﲨᙧ僦㠲ᐲﮨᙐ僦㣮ᐲ嵭僦ﯴ

      Water tower maintenance tips for industrial chillers

      08/21/2020

      Water tower maintenance tips for industrial chillers

      Because of the convenient installation and high work efficiency, the stainless steel water tower is more and more popular and has become the main tool for construction sites and residential buildings.

      Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

      08/26/2020

      Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

      Oil-injected rotary screw air Compressors have become the mainstream of air compressors due to their advantages of stability, high efficiency, low vibration and low noise. However, the generally higher oil change frequency of oil-injected

      Parameters of the Solenoid Coil

      01/04/2023

      Parameters of the Solenoid Coil

      The solenoid coil is tightly wrapped up on a core to form a solenoid. The main parameter of the solenoid coil is the size of the inductance.

      Several key selection points of screw chillers

      08/20/2020

      Several key selection points of screw chillers

      How can it be used in combination to achieve the effect and use it at the lowest operating cost? Therefore, the selection has become a very critical part. In industrial production, mechanical equipment will generate heat during operation.

      • 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 :

      GE Circuit Breaker AEG Circuit Breaker Schneider Circuit Breaker Siemens Circuit Breaker Honeywell Circuit Breaker Terasaki Circuit Breaker Cutler Hammer Circuit Breaker Mitsubishi Circuit Breaker Allen Bradley Circuit Breaker Eaton Moeller Circuit Breaker DZ47-60 D40 2P BC32E1CL-1N006B GSH202 AC-C16 MC0C310AT SFKOG 1.6-2.5A 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ANB42FBRMT AWQ5522EGE Azbil TACO/YAMATAKE 463-300-10B0 Bitzer S4BCF-5.2Y-25D Carel EVD0000200 Copeland ZP104KCE-TFD-250 e40s6 600 3 t 24 e50s8 100 3 t 24 Ebmpapst S3G630-AE55-21 Ebmpapst W2E250-HL06-21 Hitachi THU33WC6-E Panasonic DA110E13RBY5 (RSCR) Rexroth 4WREE 6 E16-22/G24K31/A1V-655 Sanyo Denki 9BAM24FC2-2 Servo E1540H24B7AZ-00 sgdv 1r6a11b TAJ5519E Tecumseh TAH4524T TS31VDEC yaskawa sgdv 5r5a01a

      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