221KBRELAY
Relays and Solenoids
RELAY,ELECTROMAGNETIC
221KBRELAY
American Telephone And Telegraph Co
RELAY,ELECTROMAGNETIC
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Technical Characteristics
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Terminal Type And Quantity
9 pin all functions
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Thread Series Designator
unc single mounting facility
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Main Contact Maximum Voltage Rating In Volts
50.0 dc
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Operating Voltage Rating And Type At Specified Temp
9.9 volts dc 25 deg celsius single winding
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Nominal Operating Current Rating And Type
12.0 milliamperes dc single winding
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Mounting Facility Pattern
two position in-line single mounting facility
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Nominal Thread Size
0.164 inches single mounting facility
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Pile-Up Main Contact Form Arrangement
1c2a
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Mounting Facility Type And Quantity
2 threaded stud single mounting facility
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Winding Dc Resistance Rating
650.0 ohms nominal single winding
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Overall Width
1.340 inches nominal
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Overall Height
1.650 inches nominal
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Center To Center Distance Between Mounting Facilities Parallel To Length
0.344 inches nominal single mounting facility
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Thread Class
2a single reed
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Main Contact Load Current Rating At Maximum Rated Voltage
400.0 milliamperes dc resistive load
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Duty Type
continuous
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Coil Quantity
1
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Winding Quantity
1
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Overall Length
4.000 inches nominal