Model: MR-1856-3

Electromagnetic Relay

Properties:

Overall Length
2.593 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.250 inches single mounting facility
Overall Height
1.750 inches
Overall Width
2.187 inches
Unthreaded Mounting Hole Diameter
0.156 inches single mounting facility
Contact Material
Silver
Contact Surface Treatment
Cadmium plated and gold
Frequency In Hertz
Between 50.0 and 60.0
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
1.25 kilohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
2 unthreaded hole single mounting facility
Mounting Facility Pattern
In-line single mounting facility
Nonpile-up Main Contact Arrangement
2 pole, double throw, one position momentary
Operating Voltage Rating And Type At Specificationified Temp
115.0 volts ac 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
8.0 amperes ac resistive load and 8.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
120.0 ac and 28.0 dc
Precious Material And Location
Contacts silver and contact surfaces gold
Precious Material
Gold and silver
Terminal Type And Quantity
8 tab, solder lug all functions
NSN
5945-01-122-0914
Part Number
MR-1856-3
Description
Relay,electromagnetic
CAGE
77342

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 MR-1856-3 NSN 5945-01-122-0914

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:
C
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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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