Model: U208721

Motor-tachometer Generator

Special Features:

102 to 1 gearhead mtd to mtr-tachometer generator output shaft

Properties:

Overall Height
1.060 inches
Overall Length
4.875 inches
Overall Width
1.060 inches
Shaft Diameter
0.119 inches single end and 0.120 inches single end
Current Type
Ac input
Mounting Method
Face
Mounting Facility Type And Quantity
4 threaded hole
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Calibration Voltage Output Type In Volts
2.75 ac
Control Field Voltage Type And Rating In Volts
36.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Power Rating
3.500 watts input
Length Of Shaft From Housing
0.562 inches single end
Tempurature Rating
25.0 operating degrees celsius
Mounting Facility Circle Diameter
0.812 inches
Rotor Speed Rating In Rpm
51.0 low no load and 64.0 high no load
Connection Type And Voltage Rating In Volts
115.0 line to neutral single input
Shaft End Characteristic
A1 single style single end
Phase
Single input
Frequency In Hertz
400.0 output
Terminal Type And Quantity
9 wire lead
NSN
6105-00-851-6481
Part Number
U208721
Description
Motor-tachometer Generator
CAGE
82686

An item which is an electrical rotating machine combining both control motor and tachometer generator action. The control motor and tachometer generator may be contained in the same or separate housings. It is designed for servo application where instant response to input signal is essential. It is generally used in circuits where the output potential from the tachometer generator is fed back to prevent excessive oscillation and for assuring high stability in a servo loop. Excludes dynamotor; and motor-generator.

Part U208721 NSN 6105-00-851-6481

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28454
FIIG:
A271A0
Concept No.:
App. Key:
P
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8412809000
  • SITC: 71893
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Engines and motors, nesoi

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