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E520HB ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 4.625 INCHES MAXIMUM IN, body_height: 5.312 INCHES MAXIMUM IN, body_length: 5.312 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-2127, 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
E520HB
NSN: 5950-00-645-2127
FSC: 5950
CAGE: 80089 — EMERSON ELECTRIC CO WHITE-RODGERS DIV (USA)
SPECIFICATIONS
body_width4.625 INCHES MAXIMUM IN
body_height5.312 INCHES MAXIMUM IN
body_length5.312 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.230 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current20.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity6 SINGLE GROUP
terminal_type_and_quantity7 STANDOFF, THREADED STUD
NSN5950-00-645-2127
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN E520HB MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
WINDING OPERATING CURRENT: 20.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
FREQUENCY RATING: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
INCLOSURE TYPEHERMETICALLY SEALED
WINDING OPERATING CURRENT20.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY7 STANDOFF, THREADED STUD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
208Interchangeable
interchangeable cross-reference
interchangeable
13340Interchangeable
interchangeable cross-reference
interchangeable
503-S 40Interchangeable
interchangeable cross-reference
interchangeable
2410 29/32Interchangeable
interchangeable cross-reference
interchangeable
C12240Interchangeable
interchangeable cross-reference
interchangeable
53158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E520HB?
E520HB is a TRANSFORMER,POWER.
What parts can replace E520HB?
There are 13 known substitutes for E520HB: 208, 13340, 503-S 40 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E520HB?
E520HB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-2127. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026