Model: 2021A1-1B

Electromagnetic Relay

Properties:

Overall Length
4.520 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
0.750 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
2.880 inches single mounting facility
Overall Height
3.090 inches
Overall Width
3.250 inches
Case Material
Metal
Environmental Protection
Dustproof
Unthreaded Mounting Hole Diameter
0.199 inches single mounting facility
Fragility Factor
Moderately rugged
Frequency In Hertz
60.0
Winding Quantity
1
Purpose For Which Designed
General
Coil Quantity
1
Duty Type
Continuous
Arc Quenching Method
Air
Mounting Facility Type And Quantity
6 unthreaded hole single mounting facility
Storage Type
General purpose warehouse
Cubic Measure
45.392 cubic inches
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
2 pole, double throw, one position momentary
Time Delay
3.00 minutes adjustable release time and 30.00 minutes adjustable release time
Operating Voltage Rating And Type At Specificationified Temp
110.0 volts ac 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
10.0 amperes ac resistive load and 500.0 milliamperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
480.0 ac and 110.0 dc
Terminal Type And Quantity
8 screw all functions
NSN
5945-00-973-4143
Part Number
2021A1-1B
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 2021A1-1B NSN 5945-00-973-4143

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.6000lbs
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: 8536490075
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, for a voltage exceeding 60 v but not exceeding 1,000 v, nesoi

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