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header-product Erko SLK_3SC19-125 Capacitor Switching Contactor 125A 690V
245.49 €

Erko SLK_3SC19-125 Capacitor Switching Contactor 125A 690V

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Erko SLK_3SC19-125 Capacitor Switching Contactor 125A 690V

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Short description

The Erko SLK_3SC19-125 is a specialized capacitor switching contactor designed for reliable power factor correction systems. With a rated current of 125A and an operating voltage of 690V, this device effectively manages high inrush currents associated with capacitor banks. It ensures stable operation and longevity in industrial electrical installations, providing a robust solution for reactive power compensation and electrical network optimization.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 12518871
Manufacturer: Erko
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Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

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Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
30.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
04.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
04.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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3 mth. х 81.83 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 6.82 euros per month
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Product information

Description

The Erko SLK_3SC19-125 is a specialized capacitor switching contactor engineered for high-performance power factor correction systems. Rated at 125A with an operating voltage of 690V, this contactor is specifically designed to handle the significant inrush currents that occur when switching capacitor banks. By providing a controlled connection, it protects the electrical infrastructure from transient surges, ensuring reliable operation and extended service life for both the capacitors and the associated electrical equipment in industrial environments.

Advantages

This contactor offers superior durability and reliability in demanding industrial applications. Its design minimizes the stress on electrical components during the charging phase of capacitor banks, which significantly reduces the risk of contact welding and premature wear. The robust construction ensures consistent performance under continuous operation, making it an essential component for maintaining efficiency in power distribution networks and optimizing reactive power compensation.

Suitable for

  • Power factor correction systems
  • Industrial reactive power compensation banks
  • Electrical network optimization in manufacturing facilities
  • Large-scale capacitor switching applications

When it may not be suitable

This device is specifically optimized for capacitor switching and may not be suitable for general-purpose motor control or standard resistive load switching. Using this contactor outside of its intended application for reactive power compensation may lead to suboptimal performance or premature failure of the device.

Key specifications

  • Rated current: 125A
  • Operating voltage: 690V
  • Application: Capacitor switching
  • Function: Power factor correction

How to use

The Erko SLK_3SC19-125 should be installed by a qualified electrician within a control cabinet or distribution board. Ensure that the power supply is disconnected before installation. Connect the main power lines to the input terminals and the capacitor bank to the output terminals, following the wiring diagram provided with the unit. Verify that all connections are tightened to the specified torque to prevent overheating. Once installed, the contactor operates automatically as part of the power factor correction controller sequence.

What to consider before purchase

  • Ensure the rated current matches the requirements of your capacitor bank
  • Verify that the system voltage does not exceed 690V
  • Check available space in the electrical enclosure for mounting
  • Confirm compatibility with your existing power factor controller

Usage recommendations

Regularly inspect the contactor terminals for signs of heat damage or loose connections. Ensure the surrounding environment is free from excessive dust and moisture to maintain optimal performance and safety standards.

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Erko SLK_3SC19-125 Capacitor Switching Contactor cost, and is it available for purchase?

The price is 245.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 30.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Erko SLK_3SC19-125 Capacitor Switching Contactor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Erko SLK_3SC19-125 Capacitor Switching Contactor online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 Erko 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 Erko 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.
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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.