Model: MS27751-21

Electromagnetic Relay

Properties:

Overall Length
2.440 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
2.000 inches single mounting facility
Overall Height
3.130 inches
Overall Width
2.440 inches
Overall Diameter
2.500 inches
Environmental Protection
Hermetic
Unthreaded Mounting Hole Diameter
0.170 inches single mounting facility
Frequency In Hertz
60.0
Winding Quantity
1
Coil Quantity
1
Duty Type
Continuous
Mounting Facility Type And Quantity
4 unthreaded hole single mounting facility
Features Provided
Polarized
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
3 pole, double throw, one position momentary
Time Delay
0.025 seconds fixed release 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
40.0 amperes ac motor load and 20.0 amperes dc motor load
Main Contact Load Current Rating At Maximum Rated Voltage
60.0 amperes ac inductive load and 20.0 amperes dc inductive load
Main Contact Load Current Rating At Maximum Rated Voltage
60.0 amperes ac resistive load and 50.0 amperes dc resistive load
Main Contact Load Current Rating At Maximum Rated Voltage
15.0 amperes ac lamp load and 10.0 amperes dc lamp load
Main Contact Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
Test Data Document
81349-mil-r-6106 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
11 threaded stud all functions
Specification Data
96906-ms27751 government standard
NSN
5945-01-334-7956
Part Number
MS27751-21
Description
Relay,electromagnetic
CAGE
96906

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 MS27751-21 NSN 5945-01-334-7956

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:
2.4 X 2.4 X 3.1
Paclk Weight:
2.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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