{{ totalProductsCount }}

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

header-product Electrical Complete Connector M12 Harting 21 03 381 6420
62.49 €

Electrical Complete Connector M12 Harting 21 03 381 6420

Electrical Complete Connector M12 Harting 21 03 381 6420 Photo 1
Keep track of price changes You keep track of price changes
Watch the price drop

Leave your address - as soon as the price of the product goes down, you'll know about it right away

You keep track of price changes

Electrical Complete Connector M12 Harting 21 03 381 6420

{{email}}
You keep track of price changes

Electrical Complete Connector M12 Harting 21 03 381 6420

{{email}}
{{selectedOffer && selectedOffer.price | formatAmount}}

Short description

The Harting 21 03 381 6420 is a complete electrical connector with M12 screw fixing and flush mounting. It supports a current of 4 A and has a lightweight design at 23.67 g. Ideal for various industrial applications, it ensures reliable connections and easy installation.
Available for order: 6 pcs.
Warranty: 2 Years
SKU: 4274354
Manufacturer: Harting
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

{{selectedOffer.parcelStationDeliveryString}}

Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
24.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
29.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.02 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
29.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer
Together cheaper
{{product.price | formatAmount}}
{{product.title}}
{{productBundle.reference.specialPrice | formatAmount}}
{{productBundle.title}}
{{productBundlePreviousPrice | formatAmount}}
{{productBundleSpecialPrice | formatAmount}}

You saving {{productBundleYouSave | formatAmount}}

Product information

Description

The Harting Electrical Complete Connector M12 21 03 381 6420 is a compact, screw-fixed M12 connector designed for flush mounting in industrial equipment. It provides a rated current of 4 A and weighs approximately 23.67 g, combining a lightweight footprint with secure electrical contact suitable for a range of control and signal tasks. The design supports easy installation and integration into panels or housings where a reliable M12 interface is required.

Advantages

This M12 connector features screw fixing for a secure mechanical and electrical connection in flush-mount applications. Its lightweight construction reduces strain on mounting surfaces and cabling while preserving robustness needed for repeated mating cycles. The connector’s compact dimensions offer space-efficient integration into control cabinets and machinery, and the standardized M12 interface ensures compatibility with common industrial sensors, actuators, and signal wiring.

Подходит для

  • Промышленные автоматизированные системы и панели управления
  • Подключение датчиков и исполнительных механизмов с M12 интерфейсом
  • Сборочные линии и оборудование для тестирования
  • Интеграция в шкафы управления и монтажные панели

Key specifications

  • Connector type: M12, screw fixing, flush mounting
  • Rated current: 4 A
  • Weight: approximately 23.67 g
  • Application: signal and low-power connections in industrial environments
  • Mechanical interface: standardized M12 thread for mating compatibility

How to use

Prepare the cable and housing cutout to match the flush-mount dimensions of the connector. Insert the connector into the panel or housing and secure it using the M12 screw fixing until it is firmly seated. Terminate conductors according to the wiring scheme used in your application, ensuring correct torque on screws to maintain reliable contact without damaging terminals. After installation, verify continuity and correct polarity before powering the system.

Usage recommendations

Use this M12 connector in accordance with the device manufacturer’s wiring diagrams and follow standard installation torque values for M12 screw connections. Protect the connector from exposure to aggressive chemicals and extreme mechanical stress; in harsher environments consider additional sealing or protective housings. Periodically inspect mating surfaces and screw terminations for corrosion or loosening to maintain reliable operation.

Harting Electrical Complete Connector M12 21 03 381 6420 — компактный легкий модуль для стандартных M12 соединений с плавным монтажом и номинальным током 4 A, удобен для применения в промышленных монтажах и системах автоматики.

Преимущества

Данное M12 соединение сочетает в себе надежное винтовое крепление и минимальный вес, что снижает механическую нагрузку на панели и кабели. Форма и размеры рассчитаны на плотную установку в монтажных платах и шкафах, а совместимость с M12 обеспечивает легкую заменяемость и интеграцию с серийными компонентами автоматизации.

Подходит для

  • Промышленные шкафы управления
  • Подключение датчиков автоматизации
  • Системы передачи сигналов и управления малой мощности
  • Производственные линии и тестовое оборудование

Ключевые характеристики

  • Тип разъема: M12, винтовое крепление, заподлицо
  • Номинальный ток: 4 А
  • Масса: около 23.67 г
  • Назначение: сигнальные и низковольтные соединения в промышленной среде
  • Механический интерфейс: стандартизированная резьба M12

Как использовать

Вырежьте или подготовьте отверстие в панели под заподлицо монтаж согласно размерам разъема. Установите разъем и зафиксируйте винтом M12 до плотной посадки. Подключите проводники в соответствии со схемой разводки, соблюдая рекомендованный момент затяжки, чтобы обеспечить контакт без повреждения клемм. После монтажа выполните проверку целостности цепей и полярности перед подачей питания.

Рекомендации по использованию

Следуйте электрическим и монтажным инструкциям оборудования, используйте защиту от агрессивных сред и механических нагрузок при необходимости, и регулярно проверяйте состояние соединений для поддержания надежной работы в промышленных условиях.

Harting Electrical Complete Connector M12 21 03 381 6420 ir kompakts M12 savienotājs ar skrūvveida fiksāciju un ierakstāmu montāžu, paredzēts signāla un zemas jaudas savienojumiem ar nominālo strāvu 4 A un svaru aptuveni 23.67 g.

Priekšrocības

Skrūvveida fiksācija nodrošina drošu elektrisko un mehānisko savienojumu, bet vieglais dizains samazina slodzi uz paneļiem un kabeļiem. Standarta M12 interfeiss atvieglo integrāciju ar sensoru un aktuatoru aprīkojumu, savukārt kompaktie izmēri ļauj ietaupīt vietu vadības skapjos un iekārtās.

Piemērots

  • Vadības skapji un automatizācijas paneļi
  • Sensori un aktuatori ar M12 savienojumu
  • Ražošanas līnijas un testa iekārtas
  • Signālu un zemā sprieguma savienojumi rūpnieciskā vidē

Galvenās specifikācijas

  • Savienotāja tips: M12, skrūvveida fiksācija, ierakstāma montāža
  • Nom. strāva: 4 A
  • Svars: aptuveni 23.67 g
  • Izmantošana: signālu un zemas jaudas savienojumi rūpniecībā
  • Mehāniskais interfeiss: standartizēta M12 vītne

Kā lietot

Sagatavojiet paneļa izgriezumu atbilstoši ierakstāmai montāžai. Ievietojiet savienotāju un nostipriniet ar M12 skrūvi līdz ciešai sēdēšanai. Pieslēdziet vadus pēc vajadzīgās shēmas, ievērojot pareizu skrūvju momentu, un pārbaudiet ķēžu nepārtrauktību un polaritāti pirms strāvas pievienošanas.

Lietošanas ieteikumi

Ievērojiet aprīkojuma elektriskās shēmas un montāžas vadlīnijas, nodrošiniet aizsardzību pret agresīvām vielām un mehānisku pārslodzi, ja nepieciešams, un regulāri pārbaudiet savienojumu stāvokli, lai nodrošinātu uzticamu darbību.

All features
Weight:
0.0237 kg
Product colour:
Stainless steel
Mounting type:
Flush
Connecting thread type:
M12
Current:
4 A
International Protection (IP) code: Device protection rating against dust and water according to the international IP standard.
IP67
Fixing type:
Screw
Number of poles:
4
Connector shielding:
Yes
Overvoltage category:
CAT III
Lockable:
Yes
Pollution degree:
3
Insulation coordination:
2.5
Rated voltage (DC):
50 V
Rated voltage (AC):
50 V
Compliance certificates:
RoHS

Description

Machine translation. Load original

Similar products

{{product.title}} Show details Hide details

{{highlightedFeature.featureTitle}}:

{{getProductFeatureValueById(product, highlightedFeature.featureId)}}

{{product.price | formatAmount}}
Might be useful
{{product.manufacturerName}}
{{product.categoryName}}
{{product.title}}
{{product.specialPrice}}
{{product.price}}

Customer reviews

Customer questions

FAQ

How much does the Electrical Complete Connector M12 Harting 21 03 381 6420 cost, and is it available for purchase?

The price is 62.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Harting products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Harting service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
shipping
Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.