Model: TMBH-1257

Electromagnetic Relay

Properties:

Thread Class
2a single mounting facility
Overall Length
1.625 inches
Overall Height
2.375 inches
Overall Width
1.438 inches
Environmental Protection
Hermetic
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
0.5 ohms single winding
Duty Type
Continuous
Mounting Facility Type And Quantity
3 threaded stud single mounting facility
Features Provided
Polarized
Thread Size
0.138 inches single mounting facility
Mounting Facility Pattern
Triangle single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, momentary action
Operating Current Rating And Type
850.0 milliamperes dc single winding
Center To Center Distance Between Mounting Facilities Parallel To The Altitude Of An Isosceles Triangle
1.187 inches single mounting facility
Main Contact Load Current Rating At Maximum Rated Voltage
50.0 milliamperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
28.0 dc
Thread Series Designator
Unc single mounting facility
Terminal Type And Quantity
4 pin all functions
NSN
5945-01-011-7278
Part Number
TMBH-1257
Description
Relay,electromagnetic
CAGE
52401

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 TMBH-1257 NSN 5945-01-011-7278

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:
0.1000lbs
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: 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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