PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B220Circuit Breaker

Siemens Energy and Automation Inc Ite Circuit Protection Div · NSN 5925-01-387-6629 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-387-6629 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-387-6629. Primary manufacturer part number: B220.
Features
  • Circuit Breaker — FSC 5925
  • Actuator Position Designation: AT EACH POLE
  • Reset Method: MANUAL
  • Manual Actuator Type and Quantity: 2 TOGGLE
  • Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS
  • External Actuator Linkage Arrangement: ONE AND TWO LINKED
  • Pole Quantity: 2
  • Mounting Facility Type and Quantity: 4 CLIP
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-387-6629, 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 Siemens Energy and Automation Inc Ite Circuit Protection Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-387-6629
Primary Part NumberB220
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Ite Circuit Protection Div
StatusACTIVE
Actuator Position DesignationAT EACH POLE
Reset MethodMANUAL
Manual Actuator Type and Quantity2 TOGGLE
Operating Voltage Type and Rating Per Pole in Volts240.0 AC ALL LOCATIONS
External Actuator Linkage ArrangementONE AND TWO LINKED
Pole Quantity2
Mounting Facility Type and Quantity4 CLIP
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Frequency in Hertz60.0 ALL LOCATIONS
MaterialPLASTIC CASE
Main Contact Tripping Mechanism TypeTRIP FREE
Terminal Type and Quantity2 COMPRESSION AND 2 TAB, SOLDER LUG
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Trip Release MethodMAGNETIC ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps10000.0 AC ALL LOCATIONS
Actuator FunctionTRIP-RESET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-224-365359-10006 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4940-00-408-3529B-220 INTERCHANGEABLE
Degreaser
Doers Associates Llc
5999-00-665-771115958-14ITEM16P1 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5940-01-082-824510015366-043 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
4820-01-645-8245B220 INTERCHANGEABLE
Valve,ball
Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc
Cross-Reference Index
Part NumberManufacturer
B220 PRIMARY Siemens Energy and Automation Inc Ite Circuit Protection Div (USA)
Related Parts
3455-00-224-3653INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10006
4940-00-408-3529INTERCHANGEABLE
DEGREASER
B-220
5999-00-665-7711INTERCHANGEABLE
HEATER,THERMAL RELEASE
15958-14ITEM16P1
5940-01-082-8245INTERCHANGEABLE
TERMINAL,LUG
10015366-043
4820-01-645-8245INTERCHANGEABLE
VALVE,BALL
B220

Frequently Asked Questions

What is NSN 5925-01-387-6629?

NSN 5925-01-387-6629 is a Circuit Breaker, manufactured by Siemens Energy and Automation Inc Ite Circuit Protection Div, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-387-6629?

NSN 5925-01-387-6629 has 1 cross-referenced part number: B220 (Siemens Energy and Automation Inc Ite Circuit Protection Div).

What NSN replaces 5925-01-387-6629?

There are 5 known substitutes for 5925-01-387-6629: 3455-00-224-3653, 4940-00-408-3529, 5999-00-665-7711 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B220?

Key specifications for B220: Actuator Position Designation: AT EACH POLE; Reset Method: MANUAL; Manual Actuator Type and Quantity: 2 TOGGLE; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com