Teplotný limitný spínač KSD301

KSD301 is a widely used bimetallic temperature-controlled Limit switch, mainly used for overheat protection or temperature control of electrical equipment. Its main features and information are as follows:

I. Core Principle
KSD301 realizuje reguláciu teploty pomocou bimetalového prvku na snímanie teploty: Keď teplota zariadenia dosiahne prednastavenú akčnú teplotu, bimetalový pás je deformovaný teplom a okamžite poháňa kontakt na odpojenie obvodu; po poklese teploty na vynulovanú teplotu, kontakt sa automaticky uzavrie a obnoví napájanie.

Ii. Key Parameters

Parametre	‌Typical values	Poznámky
Rated voltage/current	AC 250V / 5A、10A、15A、16A	Applicable to resistive loads
Action temperature range	40°C–250°C	5°C steps available
‌Temperature accuracy‌	±2℃、±3 ℃、± 5 °C、±10℃	Depending on the model
Reset temperature difference	8–100℃ (customizable)	Action and reset temperature difference
Kontaktný odpor	≤ 50 mΩ
‌Insulation resistance	≥100MΩ
‌Mechanical life	≥100 000-krát

Teplotný limitný spínač KSD301

Teplotný spínač KSD301

Dimensional parameters of KSD301 temperature switch

III. Specifications and Types
‌Contact Form‌
‌Normal Closed (NC): The contact disconnects when the temperature rises (most commonly used).
‌Normal Open (NIE): The contact connects when the temperature rises.
‌Mounting Structure‌
Bent-leg/flat-angle terminals are optional (remarks are required when placing an order).
Úroveň ochrany krytu: IP00 (metal enclosure grounded).

Iv. Typical Applications
Domáce spotrebiče: dávkovače vody, variče na ryžu, dezinfekčné skrinky, mikrovlnné rúry, kávové stroje.
Priemyselné zariadenia: klimatizácia, laminátory, elektrické vykurovacie spotrebiče.
‌Automotive field‌: diesel filter heating system.

Vložka. Procurement and selection
‌Temperature marking‌: The required operating temperature (such as 85°C, 125° C) and contact type must be specified when purchasing.

Tip‌: The operating temperature tolerance and reset temperature difference must be confirmed according to the specific model. The tolerance of some high-precision models is as low as ±2°C.

KSD301 Temperature Switch Parameters