Thermal Relays

Our offer includes various types of thermal relays from leading suppliers. We provide high-quality products with long work durability. Overload relays can be used in many industrial sectors. The parameters correspond with catalogs from their producers, which guarantees the safety of...

Our offer includes various types of thermal relays from leading suppliers. We provide high-quality products with long work...

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Products that are marked "On Order" in the "Available Quantity" column are usually not in stock. Such products are available for purchase, however, due to their limited customer base, they usually have higher minimum quantities. DACPOL offers products that are not in stock for the following reasons: DACPOL currently has a large number of electronic components in stock and adds new products every day, however, tens of thousands of additional components and their various variants are available from our suppliers. Even though it is unreasonable to have all these products in stock due to the limited sales, we believe that it is in the best interest of our customers to make them available. Our goal is to inform customers about the maximum number of products available and enable them to make decisions based on specifications, prices, availability, required minimums and our technical advice. Please note that selecting the "In Stock" checkbox may limit the display to only products available for delivery straight from the shelf.
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picture_as_pdf Thermal relays ZIEHL Thermal relays SEE IT -- On Order
picture_as_pdf PTC-Resistor-Relay Type MS40ZT ZIEHL PTC thermal relay type MS40ZT SEE IT -- On Order
picture_as_pdf PTC-relays Type MSF220SE ZIEHL PTC thermal relay type MSF220SE SEE IT T224127 On Order
picture_as_pdf PTC-Resistor Relay MSF220V / MSF220VU ZIEHL PTC thermal relay type MSF220V / MSF220VU SEE IT -- On Order
picture_as_pdf PTC-relays Type MSF220VL ZIEHL PTC thermal relay type MSF220VL SEE IT -- On Order
picture_as_pdf Trafosafe TS1000 ZIEHL TS1000 thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature relays Type TR111V ZIEHL TR111V thermal relay SEE IT -- On Order
picture_as_pdf Temperature-Relay Type TR122D(A) ZIEHL TR122D thermal relay (A) SEE IT -- On Order
picture_as_pdf Temperature Relay Type TR210 ZIEHL TR210 thermal relay SEE IT -- On Order
picture_as_pdf Temperature-Relay Type TR250 ZIEHL TR250 thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature Relay Type TR400 ZIEHL TR400 thermal relay SEE IT -- On Order
picture_as_pdf Transformer protection temperature relay TR440 ZIEHL TR440 thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature relay Type TR600 analog ZIEHL TR600 thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature relay Type TR600 RS485 ZIEHL TR600 RS485 thermal relay SEE IT -- On Order
picture_as_pdf Temperature relay Type TR640IP ZIEHL TR640IP thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature relays Type TR1200 ZIEHL TR1200 thermal relay SEE IT -- On Order
picture_as_pdf Pt 100-Temperature relays Type TR1200IP ZIEHL TR1200IP thermal relay SEE IT -- On Order
picture_as_pdf Thermal relay PTC, type MSF 220 K ZIEHL Thermal relay PTC, type MSF 220 K SEE IT -- On Order
picture_as_pdf PTC-Resistor-Relay Type MSR820V ZIEHL PTC thermal relay type MSR820V SEE IT -- On Order
picture_as_pdf PTC-Resistor-Relay Type MSR220K6 ZIEHL PTC thermal relay type MSR220K6 SEE IT -- On Order
picture_as_pdf PTC-Resistor Relay Type MS220C ZIEHL MS220C PTC thermal relay SEE IT -- On Order
picture_as_pdf Transformator TS1000 ZIEHL TS1000 Trafosafe SEE IT -- On Order
picture_as_pdf PTC-Relay MSF220K ZIEHL Thermal relay PTC MS220KA type SEE IT -- On Order
picture_as_pdf Temperature Relay Type TR660IP ZIEHL Thermal relay TR660IP SEE IT -- On Order
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Our offer includes various types of thermal relays from leading suppliers. We provide high-quality products with long work durability. Overload relays can be used in many industrial sectors. The parameters correspond with catalogs from their producers, which guarantees the safety of installations.

What is a thermal relay?

Thermal relays are used for protecting power-electric engines, winding of transformers, or power-electronic components. During work, the engine can be overloaded because of mechanical overload e.g. cutting wet wood or power overload. A long increase in intake power can damage the engine because of overheating. In case of the disappearance of phase current or given value the device disconnects the control system. A thermal relay is a device protecting the engine from overload effects.

Construction of a thermal relay

A thermal bimetal relay is made from bimetals, which are heated with the current intaken by the engine and system of the splay joint. This joint starts working through the bending of bimetals because of the temperature increase. The bimetals have to be inserted into the main system of the engine while the joint into the control system of the relay.