Model: 4KK21N2S

Electromagnetic Relay

Properties:

Thread Class
2a single mounting facility
Overall Length
1.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.375 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
1.375 inches single mounting facility
Overall Height
3.093 inches
Overall Width
1.500 inches
Environmental Protection
Hermetic
Contact Material
Silver
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
5.0 ohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
2 threaded stud single mounting facility
Thready Qty Per Inch (tpi)
32 single mounting facility
Thread Size
0.138 inches single mounting facility
Mounting Facility Pattern
Diagonal single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, double throw, one position momentary
Operating Current Rating And Type
35.0 milliamperes ac single winding
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
Precious Material And Location
Contacts silver
Precious Material
Silver
Thread Series Designator
Unc single mounting facility
Terminal Type And Quantity
5 banana plug all functions
NSN
5945-01-064-4374
Part Number
4KK21N2S
Description
Relay,electromagnetic
CAGE
71785

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 4KK21N2S NSN 5945-01-064-4374

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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: 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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