Proximity Sensor Magnetic Reed Sensor for Refrigerator Door Switch

Short Description:

Introduction：Reed Sensor

Proximity sensor is the general name of the sensor that replaces the contact detection mode such as switch and does not need to contact the detected object. It can detect the movement and existence information of the object and convert it into electrical signal.

Function: proximity sensor

MOQ：1000pcs

Supply Capacity: 300,000pcs/month

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Product Detail

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Product Tags

Product Parameter

Maximum Switching Voltage	100 V dc
Maximum Switching Load	24V dc 0.5A;10W
Contact Resistance	< 600 mΩ
Insulation Resistance	≥100MΩ/DC500V
Insulation Pressure	AC1800V/S/5mA
Action Distance	ON ≥30mm
Certification	RoSH REACH
The magnetic beam density of the magnet surface	480±15%mT (room temperature)
Housing Material	ABS
Power	Non powered rectangular sensor

Applications

- The position detection of a refrigerator door

- The external adjustment of a pacemaker

- Level sensors with float

- Flow sensors for flow control in pipes with liquids and gases

Features

- Small size and simple structure

- Light weight

- Low power consumption

- Easy to use

- Low price

- Sensitive action

- Good corrosion resistance

- Long life

Functionality of Reed sensors / Reed switches

Reed sensors have four function types. These consist of two flexible, magnetizable Reeds. Under the influence of a magnetic field the contact surfaces touch each other. Thus current flows through the switch.

Normally, normally closed contacts can be realized in two ways: Either a change-over contact is used, but only the normally closed contact is soldered, or an external magnet is attached to a normally open contact, which keeps the Reed contact closed. The reed contact opens when an external magnet with a different polarity approaches the Reed contact.

The tongue of the changer touches a normally closed contact without magnetic field and a normally open contact in active position.

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Our product has passed the CQC,UL,TUV certification and so on, has applied for patents accumulatively more than 32 projects and has obtained scientific research departments above the provincial and ministerial level more than 10 projects. Our company has also passed the ISO9001 and ISO14001 system certificated, and national intellectual property system certificated.

Our research and development and production capacity of the company’s mechanical and electronic temperature controllers have ranked in the forefront of the same industry in the country.