Assemtech RI-90 Micro Changeover Reed Switch

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Quoting product code: N95BT


About this product


Product overview

• The RI-90 micro changeover dry-reed switch is hermetically sealed in a gas-filled envelope
• SPDT type having a normally open and a normally closed contact
• Ideal for precise switching, proximity sensors, machine and medical applications• High quality contact layers made up from ruthenium on gold• Superior glass-to-metal seal and blade alignment• Excellent life expectancy and reliability

Rated 5 out of 5 by from Works perfectly, good size I motorise 1/76 scale buses and find these reed switches are the perfect size for the chassis. I can always rely on Maplins to have them in stock when needed
Date published: 2016-08-22
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Order Code N95BT
Max Switching DC mA 400
Carrying Current DC mA 500
Max Switching VAC/DC 125/175
Glass Length (mm) 14.3
Glass Diameter (mm) 2.54
Pull-in Sensitivity (AT) 15-40
Life (millions Operat) 100
Life (millions Operat) 100

Does the product come with a magnet to activate it?

Asked by: fred678
No ... you would receive the switch only.
Answered by: Les
Date published: 2016-06-25

Does this product support latching operation by using a permanent magnet to bias operation?

Asked by: Andy
This information is presented in the user guide/datasheet for the device, which can be found on the downloads tab of the product listing. However if you are using a mobile phone or tablet to view our website it may not be visible. To this end I have copied in a link to the electronic version of the instructions below for your convenience.
Answered by: Les
Date published: 2016-04-06

Will switch N95BT be activated by a coil of wire carrying 12v DC wrapped round it. Thank you

Asked by: Worse ad Worse
If you coil was made into a electromagnet, then yes, otherwise, the answer would be no.
Answered by: Russell
Date published: 2017-01-27

Does the the switch come so that stand alone the circuit is made  allowing power and when magnet placed near the circuit closes and the circuit broken please.

Asked by: rc model maker
This information is best detailled in the user manual / datasheet which is available from the download tab on the products webpage, if you do need any in-depth Technical support please feel free to give us a call on 0333 400 9500 or email us on
Answered by: Dominic
Date published: 2016-01-26

Please give rated voltage and switching current
Switched Voltage : AC 125V (RMS), DC 175V Switched Current : AC 230mA (RMS), DC 400mA
Answered by: JK
Date published: 2015-07-17

re RI-90 micro switch, can the switch be activated by very small (ie 1 - 1.5mm) of magnet movement?
Asked by: George
Yes the product does support that.
Answered by: JK
Date published: 2015-07-17

Can you give me the phusical dimensions of the switch please? 'Micro' doesn't tell you much!
Asked by: Adrian
please refer to the data sheet in the download centre
Answered by: CF
Date published: 2015-07-17
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