# ABB TF42-4.2 Thermal Overload Relay 1SAZ721201R1035

**URL:** https://aio.lv/en/product--abb-1saz721201r1035--12455747
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Control Systems
**Manufacturer:** ABB
**Manufacturer code:** 1SAZ721201R1035
**EAN:** 4013614398094
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 46.27 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--abb-1saz721201r1035--12455747

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The ABB TF42-4.2 is a reliable thermal overload relay designed for motor protection. This device provides precise current monitoring and prevents damage from overloads or phase failures. It is suitable for industrial electrical systems, ensuring safe operation and longevity of connected equipment. The relay features a compact design for easy integration into control panels and motor starter assemblies.

## Long description

The ABB TF42-4.2 thermal overload relay is a high-quality protection device engineered to safeguard electric motors from thermal damage. It provides reliable monitoring of current levels, effectively preventing issues caused by overloads or phase loss. Designed for seamless integration into industrial electrical systems, this relay ensures the longevity and consistent performance of connected motor equipment by interrupting the circuit when abnormal conditions are detected.
Advantages
This thermal overload relay offers exceptional precision in current monitoring, which is essential for maintaining the operational integrity of industrial motors. Its robust construction ensures durability in demanding environments, while the compact physical footprint allows for efficient space utilization within control panels and motor starter assemblies. The device is designed for quick and straightforward installation, reducing downtime during setup or maintenance procedures.
Suitable for
Industrial motor protection systems
Motor starter assemblies
Control panel integration
Electrical systems requiring phase failure protection
When it may not be suitable
This device is specifically calibrated for thermal overload protection and may not be suitable for applications requiring advanced electronic monitoring or communication features. It is not intended for use in circuits where the current exceeds the specified range of the relay.
Key specifications
Thermal overload protection
Phase failure sensitivity
Compact design for panel mounting
Designed for motor protection applications
How to use
The relay is typically mounted directly onto a compatible contactor or installed on a DIN rail using an optional adapter. Once installed, the current setting must be adjusted to match the rated current of the motor being protected. After wiring the power and control circuits according to the technical diagrams, the device is ready to monitor the motor. In the event of a trip, the relay can be reset manually or automatically depending on the configuration.
What to consider before purchase
Verify the motor rated current matches the relay adjustment range
Ensure compatibility with the existing contactor or mounting system
Check the environmental conditions of the installation site
Usage recommendations
Always ensure that the power supply is disconnected before performing any installation or adjustment work on the relay. Regularly inspect the device for signs of wear or damage to maintain optimal protection levels.

## Specifications

| Feature | Value |
|---|---|
| Package type | Box |

## FAQ

### How much does the ABB TF42-4.2 Thermal Overload Relay 1SAZ721201R1035 cost, and is it available for purchase?

The price is 55.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 14.07.2026 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. 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 ABB 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 ABB 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. More information about warranty service: https://aio.lv/en/warranty

## Image

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