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about us Ningbo Yongwei Electronics Co., Ltd

Ningbo Yongwei Electronics Co., Ltd. is a professional and scaled relay manufacturing enterprise. The company is located in Ningbo City, Zhejiang Province, adjacent to Ningbo Port. It attaches great importance to market research and R&D investment, and continuously develops new products to meet different market demands. Its core products include series such as 13F relays, T73 relays, T78 relays, 22F relays, 152 relays, T76 relays, T90 relays, and Y32F relays.

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FAQ Q&A

How to Test Signal Relays？

1. Measuring Circuit ResistanceUse the resistance function of a multimeter to measure the...

Analyze the main technical parameters of power relays!

Main Performance Parameters of Miniature Signal RelaysRated Operating Voltage: The voltage...

Do you know how to distinguish between signal relays and contactors?

Both relays and contactors are electromagnetic switching devices. Intermediate signal rela...

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What Should Be Noted When Operating Power Relays?

This article will elaborate on the selection and key considerations for time-delay intermediate power relays in detail!As one of the most common types of ...

What are the functions of small relays?

The Role of Intermediate RelaysIn industrial control circuits and modern household appliance control circuits, 220V small relays are often used. Depending on ...

Take You to Understand the Working Principle of Signal Relays!

Generally, a circuit is divided into two parts: the main circuit and the control circuit. Contactors are mainly used in the main circuit, while four-pin small...

How to Judge the Quality of Power Relays?

How to Determine Whether a Normally Open Relay Is Good or Bad? Apply power to the relay coil and check if the relay pulls in. At this time, use a multimete...

Do you know what the function of a small relay is?

What Is a Relay Used For? In simple terms, a small intermediate relay is an electrical component that can receive external signals. When the external signal ...

What components make up a signal relay?

Relays: Composition and TypesA relay is a type of electrical switch, widely used in control circuits. What components make up an overcurrent signal relay? An...

Signal relays can be affected by insulation working voltage.

Non-hermetically sealed or sealed 12V small relays have exposed insulating ends that are susceptible to long-term contamination by dust, moisture, and other fac...

The influence of temperature, low air pressure, and mechanical factors on power relays?

1. Influence of Temperature on Relays220V power relays are components sensitive to high temperature. High temperatures can accelerate the aging of internal pla...

How to test a small relay?

Temperature and Contact Resistance of Relays: The temperature and contact performance test shall be conducted according to the requirements of section 3.10.3 in...

Market Development of Signal Relays!

Electronic miniature relays are broadly divided into two main categories: plug-in automotive relays and printed circuit board (PCB) type automotive relays. Amon...

How to select the specifications of a power relay?

Speaking of AC small relays, we have actually discussed them many times before. Today, the editor continues to talk about solid-state relays.The primary focu...

Interference Principles of Power Relays

Generally speaking, a relay is primarily composed of a power supply operation circuit and a switch. Taking a 24V small-sized DC relay as an example, with the ma...

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Tony（Overseas Sales Manager） :

Whatsapp/Wechat: +86 15217008397

Email：tony@yongweirelay.com

landline：0574-86505752

Add: No. 8, Xinheng 3rd Road, Private Industrial Park,

Cicheng Town, Jiangbei District, Ningbo City

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A specialized and large-scale relay manufacturer The monthly production capacity of the product is 5 million units