Model: Y844-003A

Motor-tachometer Generator

Properties:

Overall Length
4.422 inches
Overall Width
2.250 inches
Spline Minor Diameter
0.2292 inches single end
Spline Quantity
22 single end
Shaft Diameter
0.2541 inches single end
Current Type
Ac input
Inclosure Feature
Totally enclosed
Spline Length
0.5000 inches single end
Mounting Method
Clamp ring
Mounting Facility Type And Quantity
1 clamp collar and 4 threaded hole
Excitor Type
Separately excited
Calibration Speed In Rpm
8000.0
Cooling Method
Nonventilated
Calibration Voltage Output Type In Volts
22.4 ac
Torque Rating And Type
9.0 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
75.5 ac and 150.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.500 inches single end
Rotor Speed Rating In Rpm
9000.0 single no load
Connection Type And Voltage Rating In Volts
115.0 line to neutral single input
Shaft End Characteristic
A14 single style single end
Phase
Two input
Frequency In Hertz
400.0 output
Terminal Type And Quantity
12 wire lead
NSN
6105-00-809-4356
Part Number
Y844-003A
Description
Motor-tachometer Generator
CAGE
88818

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 Y844-003A NSN 6105-00-809-4356

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:
SX
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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