#A77-1A Horn Relay Assembly | Relays And Solenoids

A77-1A

Electromagnetic Relay

NSN 5945-00-643-6869

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
006436869

Detail Specifications

Overall Length:
4.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Length:
3.000 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.000 inches single mounting facility
Overall Height:
3.250 inches
Overall Width:
4.000 inches
Environmental Protection:
Dustproof
Unthreaded Mounting Hole Diameter:
0.196 inches single mounting facility
End Application:
Model no. Ma1
Winding Quantity:
1
Coil Quantity:
1
Winding Dc Resistance Rating:
96.0 ohms single winding
Duty Type:
Continuous
Mounting Facility Type And Quantity:
4 unthreaded hole single mounting facility
Mounting Facility Pattern:
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement:
1 pole, single throw, normally open, momentary action
Operating Voltage Rating And Type At Specificationified Temp:
28.0 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage:
300.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts:
28.0 dc
Terminal Type And Quantity:
4 pin all functions
NSN:
5945-00-643-6869
Item Name:
Relay Assembly,horn
Cage Code:
74063

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Relays And Solenoids
--------- Engine Relays
------------ P/N A77-1A

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Last Updated: 02/25/2025