Model: 539A

Electromagnetic Relay

Properties:

Overall Length
4.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.500 inches single mounting facility
Overall Height
2.593 inches
Overall Width
3.375 inches
Unthreaded Mounting Hole Diameter
0.266 inches single mounting facility
Fragility Factor
Moderately rugged
Winding Quantity
1
Purpose For Which Designed
General
Coil Quantity
1
Winding Dc Resistance Rating
80.0 ohms single winding
Duty Type
Intermittent
Mounting Facility Type And Quantity
2 unthreaded hole single mounting facility
Storage Type
General purpose warehouse
Mounting Facility Pattern
In-line single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, single throw, both positions maintained
Time Delay
0.025 seconds fixed operate time
Time Delay
0.04 seconds fixed release time
Operating Voltage Rating And Type At Specificationified Temp
24.0 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
70.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
30.0 dc
Terminal Type And Quantity
4 threaded stud all functions
NSN
5945-00-636-8779
Part Number
539A
Description
Relay,electromagnetic
CAGE
63928

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.

Part 539A NSN 5945-00-636-8779

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32512
FIIG:
A03300
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.5 X 4.0 X 3.0
Paclk Weight:
2.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536410020
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v

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