Model: 7637684-2

Motor-tachometer Generator

Special Features:

Gear ratio 97 to 1

Properties:

Overall Length
2.500 inches
Overall Width
0.748 inches
Shaft Diameter
0.124 inches single end and 0.125 inches single end
Current Type
Ac input
Inclosure Feature
Totally enclosed
Mounting Method
Clamp ring
Mounting Facility Type And Quantity
1 clamp collar
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Cooling Method
Nonventilated
Calibration Voltage Output Type In Volts
0.445 ac
Torque Rating And Type
0.176 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
13.0 ac and 26.0 ac
Features Provided
Vertical mounting position and horizontal mounting position
Length Of Shaft From Housing
0.472 inches second end
Length Of Shaft From Housing
0.448 inches first end
Tempurature Rating
-55.0 operating degrees celsius and 125.0 operating degrees celsius
Rotor Speed Rating In Rpm
6300.0 single no load
Connection Type And Voltage Rating In Volts
26.0 line to neutral single input
Shaft End Characteristic
A1 single style single end
Phase
Two input
Frequency In Hertz
400.0 output
Terminal Type And Quantity
10 wire lead
NSN
6105-00-294-3442
Part Number
7637684-2
Description
Motor-tachometer Generator
CAGE
99971

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 7637684-2 NSN 6105-00-294-3442

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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