Description

3TK2840-1BB40 is a safety relay produced by Siemens.The following is a detailed introduction to the safety relay:

1.Product Overview

The 3TK2840-1BB40 safety relay is an important product in the field of Siemens industrial automation.It is designed to provide protection before the PLC(Programmable Logic Controller)is activated to ensure the safe operation of the system.The relay has high reliability and stability,can operate stably in various industrial environments,and meet the needs of various automation applications.

2.Working Principle

The working principle of the 3TK2840-1BB40 safety relay is based on the electromagnetic principle.When power supplies A1 and A2 are energized,it does not directly activate the contacts behind.Instead,the power supply needs to be connected in parallel through X1 and X3,and the light below the safety relay will light up.X2 is energized to maintain the state of X3,and when X4 is energized,the light above the safety relay will light up and control the connection of X5 and X6.When X5 and X6 are connected in leakage mode,the following open and close contacts can be controlled to actuate the load to be controlled.

III.Product Features

High reliability:The 3TK2840-1BB40 safety relay adopts high-quality materials and advanced manufacturing technology,and has high reliability and stability.

Protection function:The relay is designed to provide protection before the PLC operates,and can prevent system damage caused by power failure,overload,etc.

Easy to install and maintain:The 3TK2840-1BB40 safety relay has a compact structure and is easy to install and disassemble.At the same time,it provides complete fault diagnosis and indication functions,which is convenient for users to maintain and maintain.

Multiple applications:The relay is suitable for various industrial automation occasions,such as manufacturing,energy,transportation and other fields,and can meet the needs of different applications.

Siemens 3TK2840-1BB40

4.Technical Parameters

Although the specific technical parameters may vary depending on the product batch and actual application,according to the general parameters of Siemens products,the 3TK2840-1BB40 safety relay may have the following technical parameters(the specific valuesneed to be consulted in the product manual):

Rated voltage:usually 220V(the specific value may vary from product to product).

Rated current:depending on the specific application requirements,it may have a higher rated current value.

Working principle:electromagnetic relay.

Action signal:current.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

There is really no medium that can make a difference!!

Shenzhen Changxin Automation-sufficient supply,large spot quantity,guaranteed quality,you can buy with confidence and use with peace of mind~!

If you have any defects or needs for imported PLC and DCS spare parts,please contact our team,we will help you find reliable and high-quality products super quickly,while shortening delivery time to ensure that your equipment can operate normally in the right environment.Just in time.

Professionally provide:PLC programmable control system,distributed control system(DCS),safety instrument system(SIS),ESD system,vibration monitoring system,turbo compressor unit control system(CCS)and other PLC modules,various industrial control systems,system modules,CPU,IO module,DO module,AI module,DI module,network communication module,Ethernet module,motion controller,analog input module,analog output module,digital input module,digital output module,module redundancy,power module,relay output unit,relay input unit,processor unit.

Products are widely used in:electricity,petroleum,mine hoisting,ports,heating,gas,water supply,sewage treatment,metallurgy,papermaking,textile,chemical industry,water conservancy and other modern industrial fields!

1.”Power plant DCS monitoring system”

2.”Intelligent flat tempering furnace system manufacturing”

3.”PLC programmable transmission control system”

4.”DCS distributed control system”

5.”Intelligent fire water suppl