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Technical Data Sheet
4400B1551 ✓ 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: 3.500 INCHES NOMINAL IN, overall_height: 3.120 INCHES NOMINAL IN, overall_length: 3.500 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 5945-00-860-0851, 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
4400B1551
NSN: 5945-00-860-0851
FSC: 5945
CAGE: 87557 — LOCKHEED CORP LOCKHEED ELECTRONICS CO INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
coil_quantity1
overall_width3.500 INCHES NOMINAL IN
overall_height3.120 INCHES NOMINAL IN
overall_length3.500 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_diameter0.164 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
nonpile-up_main_contact_arrangement3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NSN5945-00-860-0851
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 4400B1551 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
AUXILIARY CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 28.0 DC
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 30.0 AMPERES AC RESISTIVE LOAD
FREQUENCY IN HERTZ: 60.0 NOMINAL
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 440.0 AC
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER: 0.164 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.500 INCHES NOMINAL IN
AUXILIARY CONTACT MAXIMUM VOLTAGE RATING IN VOLTS28.0 DC
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE30.0 AMPERES AC RESISTIVE LOAD
FREQUENCY IN HERTZ60.0 NOMINAL
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS440.0 AC
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER0.164 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY1
MOUNTING FACILITY PATTERNTRIANGLE SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
33130Interchangeable
interchangeable cross-reference
interchangeable
33164Interchangeable
interchangeable cross-reference
interchangeable
934316-1BInterchangeable
interchangeable cross-reference
interchangeable
33164 PIECE 4Interchangeable
interchangeable cross-reference
interchangeable
3164Interchangeable
interchangeable cross-reference
interchangeable
2910PL0580966Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4400B1551?
4400B1551 is a RELAY,ELECTROMAGNETIC.
What parts can replace 4400B1551?
There are 6 known substitutes for 4400B1551: 33130, 33164, 934316-1B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4400B1551?
4400B1551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-860-0851. This indicates validated use in U.S. government and defense supply chains.
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