Model: SF-21WC3

Electromagnetic Relay

Properties:

Overall Length
5.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.000 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
2.469 inches single mounting facility
Overall Height
2.156 inches
Overall Width
3.000 inches
Mounting Slot Width
0.200 inches single mounting facility
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
38.0 ohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
4 slotted hole single mounting facility
Features Provided
Polarized
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, momentary action
Operating Current Rating And Type
670.0 milliamperes dc single winding
Time Delay
10.00 seconds fixed operate time
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
10.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
28.0 dc
Terminal Type And Quantity
1 connector, receptacle all functions
NSN
5945-00-729-7813
Part Number
SF-21WC3
Description
Relay,electromagnetic
CAGE
89020

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 SF-21WC3 NSN 5945-00-729-7813

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
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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