Model: R439-4B12K1

Electromagnetic Relay

Properties:

Thread Class
2a single mounting facility
Overall Length
1.656 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.375 inches single mounting facility
Overall Height
2.281 inches
Overall Width
1.000 inches
Environmental Protection
Hermetic
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
12.0 kilohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
2 threaded stud single mounting facility
Thready Qty Per Inch (tpi)
40 single mounting facility
Thread Size
0.112 inches single mounting facility
Mounting Facility Pattern
In-line single mounting facility
Nonpile-up Main Contact Arrangement
2 pole, double throw, one position momentary
Main Contact Load Current Rating At Maximum Rated Voltage
2.0 amperes ac resistive load and 2.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
Thread Series Designator
Unc single mounting facility
Terminal Type And Quantity
8 pin all functions
NSN
5945-00-661-0486
Part Number
R439-4B12K1
Description
Relay,electromagnetic
CAGE
98926

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 R439-4B12K1 NSN 5945-00-661-0486

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:
CRITL:
X

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: 8536490050
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, with contacts rated at less than 10 a, for a voltage exceeding 60 v but not exceeding 1000 v

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