20245-81

2024581 Electromagnetic Relay

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Datasheet. 20245-81 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

3.32in. ⁓3-21/64"

Center To Center Distance Between Mounting Facilities Parallel To Width
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the width.

1.875in. single mounting facility

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

2.38in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

2.50in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.188in. single mounting facility

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

a/S48M-4 ums

Winding Quantity
The number of individual /not electrically connected/ windings.

1

Coil Quantity
The number of coils included on the item.

1

Winding Dc Resistance Rating
The measured opposition to the flow of direct current offered by the item winding.

72.0 ohms single winding

Duty Type
Indicates the type of duty provided.

continuous

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

2 unthreaded hole single mounting facility

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

IN-Line single mounting facility

Nonpile-up Main Contact Arrangement
The designation that identifies the schematic diagram of the electrical configuration of the main nonpile-up contacts including the number of poles or forms.

2 pole, double throw, one position momentary

Operating Voltage Rating And Type At Specified Temp
The amount and type of voltage required at designated temperature to be applied to the input or energizing element of the item to ensure normal operation of the switching elements.

12.0 volts dc 25 deg celsius single winding

Main Contact Maximum Voltage Rating In Volts
The highest voltage at which the main contacts are rated for normal operation,expressed in volts.

240.0 ac and 28.0 dc

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

fast acting heavy dutey power relay

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

operating temp range: -45 to +115 deg c at 30 amps

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

6 screw energizing element

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

2 quick disconnect, male contacts

Answers.

What is the overall width?

2.50 inches

What is the NSN for 20245-81?

5945-01-611-4239

What's the federal classification of 20245-81?

FSC 5945 ⁓ Relays and solenoids

Excluding contractors.

NSN 5945-01-611-4239 RELAY,ELECTROMAGNETIC

Used on a/s48m-4 ums. operating temp range: -45 to +115 deg c at 30 amps fast acting heavy dutey power relay 2.50" overall width 3.32" overall length

NIIN
016114239
NIIN Date
09/13/12
Schedule B
 
Name Code
32512
FIIG
A03300
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$109.10 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Air Force 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
77.5
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Communications/electronics, other than sigint/ew or comsec repair parts and components 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other relays with similar characteristics

Nothing similar to this part number was found in our inventory

20245-81 / Relay,electromagneticWhat is the formal definition of this item?

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.