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Technical Data Sheet
4400B1550 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, overall_width: 4.500 INCHES NOMINAL IN, overall_height: 4.500 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, frequency_in_hertz: 60.0 NOMINAL, mounting_facility_pattern: TRIANGLE SINGLE MOUNTING FACILITY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-860-0852, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4400B1550
NSN: 5945-00-860-0852
FSC: 5945
CAGE: 87557 — LOCKHEED CORP LOCKHEED ELECTRONICS CO INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
coil_quantity1
overall_width4.500 INCHES NOMINAL IN
overall_height4.500 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
winding_quantity1
frequency_in_hertz60.0 NOMINAL
mounting_facility_patternTRIANGLE SINGLE MOUNTING FACILITY
terminal_type_and_quantity10 PIN ALL FUNCTIONS
unthreaded_mounting_hole_diameter0.190 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
nonpile-up_main_contact_arrangement4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NSN5945-00-860-0852
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 4400B1550 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
NONPILE-UP MAIN CONTACT ARRANGEMENT: 4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
TERMINAL TYPE AND QUANTITY: 10 PIN ALL FUNCTIONS
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE: 4.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
DUTY TYPE: CONTINUOUS
MOUNTING FACILITY PATTERN: TRIANGLE SINGLE MOUNTING FACILITY
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 400.0 AC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT4.500 INCHES NOMINAL IN
NONPILE-UP MAIN CONTACT ARRANGEMENT4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
TERMINAL TYPE AND QUANTITY10 PIN ALL FUNCTIONS
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE4.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
DUTY TYPECONTINUOUS
MOUNTING FACILITY PATTERNTRIANGLE SINGLE MOUNTING FACILITY
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS400.0 AC
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE50.0 AMPERES AC RESISTIVE LOAD
FREQUENCY IN HERTZ60.0 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4765514-7Interchangeable
interchangeable cross-reference
interchangeable
3316SInterchangeable
interchangeable cross-reference
interchangeable
3316-5Interchangeable
interchangeable cross-reference
interchangeable
AT300C54Interchangeable
interchangeable cross-reference
interchangeable
AT300Interchangeable
interchangeable cross-reference
interchangeable
CW1171MPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4400B1550?
4400B1550 is a RELAY,ELECTROMAGNETIC.
What parts can replace 4400B1550?
There are 11 known substitutes for 4400B1550: 4765514-7, 3316S, 3316-5 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4400B1550?
4400B1550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-860-0852. This indicates validated use in U.S. government and defense supply chains.
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