# Bimetal temperature switch — TFS135

> For switching voltages up to 250 V

- Catalog code: tfs135
- Model: TFS135
- Category: Temperature measurement › Temperature switches
- Product page: https://avigan.com.ua/wika/en/products/tfs135
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

Temperature switches are generally used in industry for limiting temperature. They monitor the temperature of machinery and equipment and, for example, ...

## Applications

- Machine building
- Compressors
- Pumps
- Cooling and heating circuits

## Special features

- Fixed switching temperature
- Automatic reset
- No additional voltage supply
- Switching voltages up to AC 250 V / 2.5 A
- 2 switching contacts or Pt1000/Pt100 (option)

## Specifications

| Parameter | Value |
|---|---|
| model | TFS135 |
| product family | TFS |
| short description | Bimetal temperature switch with fixed switching temperature and automatic reset, suitable for industrial applications such as machine building, compressors, pumps, and heating/cooling circuits. |
| subcategory | Temperature switch |
| certifications | RoHS; EAC; UL; CE; CULUS |
| ambient temp | -30 … 85 °C |
| ip rating | IP65 |
| languages in datasheet | en |
| free form specs | max switching output: AC 250 V / 50 Hz / 2.5 A (rectangular connector), AC 250 V / 50 Hz / 1 A (circular connector); contact type: Normally Closed (NC); switching contacts: 1 or 2 NC contacts or Pt1000/Pt100 option; nominal switching temperature range C: 50 ... 130; switch point accuracy K: ±5; reset switching temperature K below: 15 ... 30; dielectric strength: AC 1,500 V, 50 Hz; thermowell material: Brass, Stainless steel; stem diameter mm: 10 (12 for 2 contacts); process connection: G ½ B, G ¼ B, G ½ A, M14 x 1.5, ½ NPT, ¼ NPT; insertion length mm: 25, 30, 35, 40, 50, 80, 100; electrical connection: Rectangular connector DIN EN 175301-803, Circular connector M12 x 1 (with or without neck tube); shock resistance g: Up to 100; vibration resistance g: Up to 10; operating pressure bar: 50 |

## Datasheet tables

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity ■ Low voltage directive ■ RoHS directive | European Union |
|  | UL Component certification | USA and Canada |
|  | EAC Import certificate | Eurasian Economic Community |

## Documents

- [ds_tv3502_en_co_a17878](https://avigan.com.ua/wika/docs/wika/ds_tv3502_en_co.pdf) — PDF, 397 KB, en