M740421P2

Electromagnetic Relay

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes:contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

hermetic environmental protection, 1.750 inches nominal overall width, 2.500 inches nominal overall height, 2a single mounting facility thread class, 3.810 inches nominal overall length

Basic Details

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5945-00-258-7799

00-258-7799

Electromagnetic Relay

M740421P2

Active

5945 - Relays and Solenoids

Electrical and Electronic Equipment Components

01/01/1963 (63 years ago)

32512

Technical Specifications

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Thread Class
2a single mounting facility
Overall Length
3.810 inches nominal
Overall Height
2.500 inches nominal
Overall Width
1.750 inches nominal
Environmental Protection
hermetic
Winding Quantity
2
Coil Quantity
2
Winding Dc Resistance Rating
1.2 kilohms nominal all windings
Duty Type
continuous
Arc Quenching Method
inert gas
Mounting Facility Type And Quantity
unable to decode
Features Provided
polarized
Nominal Thread Size
0.164 inches single mounting facility
Mounting Facility Pattern
triangle single mounting facility
Nonpile-Up Main Contact Arrangement
2 pole, single throw, normally open, momentary action
Center To Center Distance Between Mounting Facilities Parallel To The Altitude Of An Isosceles Triangle
2.594 inches nominal single mounting facility
Operating Voltage Rating And Type At Specified Temp
28.0 volts dc 25 deg celsius all windings
Minimum Differential Electrical Operating Rating
1.3 milliamperes
Main Contact Load Current Rating At Maximum Rated Voltage
5.0 amperes ac and 5.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
115.0 ac
Thread Series Designator
unc single mounting facility
Terminal Type And Quantity
8 pin all functions

Certified Electrical Components

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    Fully licensed for hazardous materials handling and shipping with compliance to all safety regulations and protocols.

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ASA Member AS9120-ISO9001

Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: M740421P2

Part Number CAGE Manufacturer RNCC RNVC RNAAC
6HXBB-75207 78277 Sigma Instruments Inc 5 9 TX
M740421P2 24446 General Electric Company 3 2 XX
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