PartsTable
Technical Data Sheet
PartsTable / MRO / 205-111-1-66-5-203-O
205-111-1-66-5-203-O ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: MULTIPOLE-MULTIPLE ACTUATOR TYPE, body_width: 2.250 INCHES NOMINAL IN, body_length: 2.490 INCHES NOMINAL IN, boss_height: 0.150 INCHES NOMINAL IN, reset_method: MANUAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-240-4046, 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
MRO→ MRO_GENERAL→ 205-111-1-66-5-203-O
NSN: 5925-01-240-4046
FSC: 5925
CAGE: 81541 — SENSATA TECHNOLOGIES MARYLAND, INC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleMULTIPOLE-MULTIPLE ACTUATOR TYPE
body_width2.250 INCHES NOMINAL IN
body_length2.490 INCHES NOMINAL IN
boss_height0.150 INCHES NOMINAL IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity3
fragility_factorMODERATELY RUGGED
actuator_functionTRIP-RESET
frequency_in_hertz50.0 OR 60.0 ALL LOCATIONS
nominal_thread_size0.138 INCHES IN
NSN5925-01-240-4046
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 205-111-1-66-5-203-O MFR CIRCUIT BREAKER
KEY FEATURES
•
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE: 20.0 AMPERES AC ALL LOCATIONS
•
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 125.0 ALL LOCATIONS
•
TRIP RELEASE CHARACTERISTIC: TIME DELAY ALL LOCATIONS
•
UNPACKAGED UNIT WEIGHT: 14.000 OUNCES NOMINAL OZ
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS: 5000.0 AC ALL LOCATIONS
•
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT: ONE, TWO, AND THREE LINKED
•
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 480.0 AC ALL LOCATIONS
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE20.0 AMPERES AC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
UNPACKAGED UNIT WEIGHT14.000 OUNCES NOMINAL OZ
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 AC ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS480.0 AC ALL LOCATIONS
NOMINAL THREAD SIZE0.138 INCHES IN
ACTUATOR FUNCTIONTRIP-RESET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
55056Interchangeable
interchangeable cross-reference
interchangeable
21758Interchangeable
interchangeable cross-reference
interchangeable
MILS36362Interchangeable
interchangeable cross-reference
interchangeable
MS3112E14-19PInterchangeable
interchangeable cross-reference
interchangeable
876320-0001Interchangeable
interchangeable cross-reference
interchangeable
KPT02E14-19PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 205-111-1-66-5-203-O?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 205-111-1-66-5-203-O?
205-111-1-66-5-203-O is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 205-111-1-66-5-203-O?
There are 9 known substitutes for 205-111-1-66-5-203-O: 55056, 21758, MILS36362 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 205-111-1-66-5-203-O?
205-111-1-66-5-203-O is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-240-4046. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 205-111-1-66-5-203-O

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026