249-421

Reed Switch

An item actuated by an external magnetic field and having two or more contacts inclosed in a sealed capsule. Do not use if switch has an actuator, such as a lever, push button, toggle, and the like. See switch (as modified). For items provided with an operating coil, use relay (as modified). It includes items in which a contact may be moved into a mercury pool by a magnetic field.

2.400 inches nominal overall length, 0.875 inches nominal body diameter, uncased body style, 2.100 inches nominal body length, 28.0 dc maximum voltage rating in volts

Basic Details

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5930-00-938-8391

00-938-8391

Reed Switch

249-421

Active

5930 - Switches

Electrical and Electronic Equipment Components

03/21/1967 (58 years ago)

28945

Technical Specifications

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Body Style
uncased
Overall Length
2.400 inches nominal
Body Diameter
0.875 inches nominal
Body Length
2.100 inches nominal
Maximum Voltage Rating In Volts
28.0 dc
Nonpile-Up Contact Arrangement
1 pole, single throw, both positions maintained single switch unit
Switch Release Force
45.0 ampere-turns nominal
Switch Actuating Force
65.0 ampere-turns nominal
Contact Load Current Rating At Maximum Rated Voltage
0.500 amperes resistive dc and 0.500 amperes inductive dc and 0.500 amperes lamp dc
Terminal Type And Quantity
2 wire lead

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Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: 249-421

Part Number CAGE Manufacturer RNCC RNVC RNAAC
249-421 96182 Safran Electronics & Defense Avionics Usa Llc 3 2 TX
Electrical Wires Stack

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