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Temperature relay

Temperature relay refers to a relay that operates when the outside temperature reaches a given value. This product is a through-contact inductive sealed temperature relay, which has the characteristics of small size, light weight, high temperature control accuracy, etc., and is extremely versatile.

Description

Theory:Voltage Relay
Usage:Protective
Size:Miniature
Protect Feature:Epoxy
Contact Load:Low Power
Rated supply voltage:AC220V,230V,240V,380V,400V,415V

Definition

Temperature relay refers to a relay that operates when the outside temperature reaches a given value. This product is a through-contact inductive sealed temperature relay, which has the characteristics of small size, light weight, high temperature control accuracy, etc., and is extremely versatile.

Features

Built-in microprocessor,true RMS measurement,measurement accuracy≤1%.50/64Hz universal,knob setting,LED indicator shows working status.Withe N-phase phase failure protection,unique load-side and PTC temperature protection,optional manual reset and key test function,DIN rail mounting.

Function and role

This product is a through-contact inductive sealed temperature relay, which has the characteristics of small size, light weight, high temperature control accuracy, etc., and is extremely versatile.

Principle

Two metals or alloys with very different thermal expansion coefficients are firmly combined with each other to form a disc-shaped bimetallic sheet. Small and upward bending force, bending to a certain degree can drive the electrical contacts to achieve the function of turning on or off the load circuit; the temperature drops to a certain value, the bimetallic sheet gradually returns to its original state, and returns to a certain degree will reverse Drive electrical contacts to achieve the function of disconnecting or connecting the load circuit.

The temperature relays for aviation and civil temperature relays are basically the same in working principle, but due to the harsh working environment and complex equipment structure in the aviation industry, the selected devices are extremely important in terms of materials, processes, tests, service life, etc. Strict requirements, such as the production of products need to pass a series of tests of environmental protection (humid heat, mold, smoke), vibration (sine, random), acceleration, impact, low air, etc. Longevity and process require stable treatment for a long time.

Application

Temperature relay is the most widely used product, which can be used for temperature control and overheat protection in aerospace, surveillance camera equipment, motor, electrical equipment and other industries.

Classification

According to the nature of action: normally open, normally closed

By brand: Emerson temperature relay, famous temperature relay, NEC temperature relay

According to the material, it can be divided into: bakelite body, plastic body, iron shell, ceramic body

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