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中文简体DPDT relay is used to control electrical appliances
DPDT relay is used to control electrical appliances. It has two parts - an input section that contai...
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What Is a PCB Relay?
The PCB relay is a safety device that is vital to any circuit board. The circuit board relay functio...
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What is a Power Relay?
A power relay is a switch that uses an electromagnet to move an armature. The armature is the moving...
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Types of SPST relays
SPST relays are the opposite of SPDT relays and are less common in the market. SPDT types are more w...
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Types of SPDT relays and how they work
SPDT relays have three contacts on one side and two contacts on the other. The three contacts on the...
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What is the Difference Between a Normally Open Switch and an SPST Relay
This article will explain what the differences are between a Normally Open Switch and an SPST Relay....
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What does a small power relay do
What is a relay? From the definition of a relay, an intermediate signal relay is a fully automatic c...
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What is a relay? What are the classifications of relays?
An automotive relay is an electrical control device, which is an electrical appliance that makes a p...
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What is the difference between a poleless relay and a pole relay
AX relay is an electrical control device. It has an interactive relationship between the control sys...
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Relay selection principle
When selecting a relay, factors such as the type of power supply, the rated voltage and rated curr...
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The working principle of electromagnetic relay
A relay is an electrical control device that has an interactive relationship between the control s...
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Welding process and maintenance method of relay
1. Coating flux PCB board type non-plastic encapsulated relays are highly susceptible to contamin...
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Hehuaqiao,Yunlong,Yinzhou District,Ningbo,Zhejiang
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Tel:+86-0574-88473018
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About us
Ningbo Helishun Electron Co.,Ltd. is founded in 2000, located at Ningbo City, the Grand East port on the coastline of the East Sea. We are OEM/ODM Electromagnetic Relays Manufacturers in China
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