PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30055-20Circuit Breaker

Cole Hersee Company · NSN 5925-01-222-3650 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-222-3650 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-222-3650. Primary manufacturer part number: 30055-20.
Features
  • Circuit Breaker — FSC 5925
  • Inclosure Protection Type for Which Designed: HERMETICALLY SEALED
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Operating Voltage Type and Rating Per Pole in Volts: 12.0 DC SINGLE LOCATION
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 1000.0 DC SINGLE LOCATION
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Center to Center Distance Between Terminals Parallel to Length: 17.14 MILLIMETERS MINIMUM AND 17.27 MILLIMETERS MAXIMUM MM
  • Mounting Surface to Terminal End Distance: 34.97 MILLIMETERS NOMINAL MM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-222-3650, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cole Hersee Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-222-3650
Primary Part Number30055-20
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerCole Hersee Company
StatusACTIVE
Inclosure Protection Type for Which DesignedHERMETICALLY SEALED
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Operating Voltage Type and Rating Per Pole in Volts12.0 DC SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1000.0 DC SINGLE LOCATION
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Terminals Parallel to Length17.14 MILLIMETERS MINIMUM AND 17.27 MILLIMETERS MAXIMUM MM
Mounting Surface to Terminal End Distance34.97 MILLIMETERS NOMINAL MM
Fragility FactorMODERATELY RUGGED
Distance Between Centerlines of Mounting Facilities Parallel to Body Length39.62 MILLIMETERS NOMINAL MM
Mounting Facility Type and Quantity2 TERMINAL
Pole Quantity1
Reset MethodAUTOMATIC
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES DC SINGLE LOCATION
Trip Release CharacteristicINSTANTANEOUS SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Terminal Type and Quantity2 THREADED STUD
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Trip Release MethodTHERMAL SINGLE LOCATION
Body Width19.81 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2520-00-149-927024-45700-2045-2 INTERCHANGEABLE
Gerotor Set,transmission
Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division
5136-00-580-735554520 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5935-00-823-6962T-61112 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Allied Controls, Inc.
5925-01-005-9799 INTERCHANGEABLE
Circuit Breaker
5940-01-070-4243BCU 060 INTERCHANGEABLE
Splice,conductor
Penn-Union Corp Div Penn-Union Corp
3820-01-348-1878300-5520 INTERCHANGEABLE
Driver,stake-Pin
Skidril Inc
Cross-Reference Index
Part NumberManufacturer
3100-E3014 Global Fire Equipment Corp (USA)
1512-3-20 Midland Brake Inc Div of Echlin Inc (USA)
12-22829 Superior Compressor Company Dba Grimmer Schmidt Smith Compressors (USA)
30055-20 PRIMARY Cole Hersee Company (USA)
54520 Pollak Joseph Corp (USA)
Related Parts
2520-00-149-9270INTERCHANGEABLE
GEROTOR SET,TRANSMISSION
24-45700-2045-2
5136-00-580-7355INTERCHANGEABLE
TAP,THREAD CUTTING
54520
5935-00-823-6962INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
T-61112
5925-01-005-9799INTERCHANGEABLE
CIRCUIT BREAKER
5940-01-070-4243INTERCHANGEABLE
SPLICE,CONDUCTOR
BCU 060
3820-01-348-1878INTERCHANGEABLE
DRIVER,STAKE-PIN
300-5520

Frequently Asked Questions

What is NSN 5925-01-222-3650?

NSN 5925-01-222-3650 is a Circuit Breaker, manufactured by Cole Hersee Company, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-222-3650?

NSN 5925-01-222-3650 has 5 cross-referenced part numbers: 3100-E3014 (Global Fire Equipment Corp), 1512-3-20 (Midland Brake Inc Div of Echlin Inc), 12-22829 (Superior Compressor Company Dba Grimmer Schmidt Smith Compressors), 30055-20 (Cole Hersee Company), 54520 (Pollak Joseph Corp).

What NSN replaces 5925-01-222-3650?

There are 6 known substitutes for 5925-01-222-3650: 2520-00-149-9270, 5136-00-580-7355, 5935-00-823-6962 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30055-20?

Key specifications for 30055-20: Inclosure Protection Type for Which Designed: HERMETICALLY SEALED; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 12.0 DC SINGLE LOCATION; Overall Length: 50.8 MILLIMETERS NOMINAL MM. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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