Model: B-420

Electromagnetic Relay

Properties:

Overall Length
4.440 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
3.875 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
2.750 inches single mounting facility
Overall Height
4.440 inches
Overall Width
3.310 inches
Case Material
Plastic
Environmental Protection
Dustproof
Unthreaded Mounting Hole Diameter
0.196 inches single mounting facility
Fragility Factor
Moderately rugged
Winding Quantity
1
Purpose For Which Designed
General
Coil Quantity
1
Duty Type
Continuous
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 unthreaded hole single mounting facility
Storage Type
General purpose warehouse
Features Provided
Coil voltage suppression and polarized
Cubic Measure
65.252 cubic inches
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
3 pole, double throw, one position momentary
Time Delay
0.03 seconds fixed operate time
Time Delay
0.05 seconds fixed release time
Nonpile-up Auxiliary Contact Arrangement
4 pole, double throw, one position momentary
Auxiliary Contact Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
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
120.0 amperes ac inductive load
Main Contact Load Current Rating At Maximum Rated Voltage
120.0 amperes ac resistive load
Main Contact Maximum Voltage Rating In Volts
115.0 ac
Auxiliary Contact Load Current Rating At Maximum Rated Voltage
1.0 probe ac lamp load and 1.0 probe dc lamp load
Auxiliary Contact Load Current Rating At Maximum Rated Voltage
3.0 probe ac inductive load and 3.0 probe dc inductive load
Auxiliary Contact Load Current Rating At Maximum Rated Voltage
5.0 probe ac resistive load and 5.0 probe dc resistive load
Terminal Type And Quantity
1 connector, receptacle all functions
NSN
5945-01-198-6231
Part Number
B-420
Description
Relay,electromagnetic
CAGE
74063

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 B-420 NSN 5945-01-198-6231

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:
2.2000lbs
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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