Safety Relay Working Principle

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Supplier Info.

Company Name Shanghai Chenzhu Instrument Co., Ltd.
Membership Free member
Registration Date2021.06.04
Country/RegionChina
CityShanghai
Contact Danping Li(Ms.)

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Product Attributes

- Place of Origin China
- Supply Type OEM Service
- Condition New
- Related Keywords Safety Relay Working Prin

Description by Manufacturer

1. Introduction of automation safety relay

A safety relay is an electrical component used in daily life for safety to prevent electric shocks and to prevent equipment from overheating. As the name implies, it is a relay that can make regular actions in the event of a safety accident. The safety relay is a combination of several relays and circuits, in order to complement each other's abnormal defects and achieve the complete function of the relay with low malfunction actions. The lower the error and failure value are, the higher the safety factor will be.

2. Working principle of a relay

Do you know how does a safety relay work? The safety relay interlock system has a forcibly guided contact structure, which is a necessary control part in a safety circuit. It accepts safety inputs, and deterministically outputs the switch signal to the control circuit of the device through the judgment of the internal circuit. Simply put, the safety relays are all dual-channel signal types.

Only when the signals of both channels are normal, the safety relay in a safety and automation system can work normally; in the working process, as long as the signal of any one of the channels is disconnected, the safety relay will stop outputting. It will not work until the signals of both channels are normal and reset. Although it is not just relying on dualization alone, dualization is necessary as well.

Mutual inspection of dual circuits is to confirm that all safety circuits have been disconnected once, and if necessary, the operator can start the operation and other conditions. From another point of view, when the input switch wiring is short-circuited or the wire sheath is damaged and the grounding happens, it is necessary to prevent the sudden start of the machine caused by that. In fact, in order to facilitate the construction of the safety circuit, the safety relay is combined with other components, and the basic emergency stop circuit and the safety circuit constitute a circuit module product called the safety relay module.

CHENZHU manufactures the most reliable interface product for safety automation system. We are here to help your device run more safely. Here you can not only get world-class products, but also outstanding service for safety and automation system.

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Price US$ 100 / Piece

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Company Profile

About Shanghai Chenzhu Instrument Co., Ltd.

Membership Free member
Registration Date2021.06.04
Country/RegionChina
CityShanghai
Contact Danping Li(Ms.)

SHANGHAI CHENZHU INSTRUMENT CO., LTD was established in 2002, which originated from Shanghai automation instrument institute, has grown as a leading brand providing high quality protective product for your important asset in both Process Automation and Factory Automation industry, specialized in isolated barriers, signal isolators, Surge Protective Devices and safety relays etc. integrating research and development, manufacturing and sales, providing OEM/ODM service and self-brand product. 2013, we launched the first One million pcs product and announced 5 years guarantee. Actually, we have 4 certifications which were the first one in instrumentation industry domestic China, such as IECEx Certificate, Europe ATEX Certificate by DNV, SIL from TUV Rheinland, and Japan TIIS Ex-proof Certificate. CHENZHU's factory has 2 SMT production line, over 4.5 million pcs products were sold from 2002 till end of 2019.

Selling Categories

- Measurement & Analysis Instruments >> Electrical Instruments

Keywords

signal surge protection device , signal spd , dc power surge protector

Registration Date	2021/06/04(Year/Month/Date)
Buyer / Seller in EC21	Seller
Business Type	Manufacturer
Year established	2002
Employees total	501 - 1000
Annual revenue	USD 500,001 - 1,000,000

Contact Information Order Credit Report

Company	Shanghai Chenzhu Instrument Co., Ltd.
Address	8F, Bldg.6, No. 201, Minyi Road, Songjiang Dis, Shanghai, ChinaShanghaiShanghai201612China
Phone	86 - 021 - 64513350
Homepage	http://www.chenzhuisolator.com
Contact	Danping Li

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