PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B325Circuit Breaker

Siemens Energy and Automation Inc Ite Circuit Protection Div · NSN 5925-01-387-6510 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-387-6510 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-387-6510. Primary manufacturer part number: B325.
Features
  • Circuit Breaker — FSC 5925
  • Circuit Protection Type: OVERCURRENT ALL LOCATIONS
  • Maximum Continuous Load Current Rating Per Pole: 240.0 AMPERES AC ALL LOCATIONS
  • Pole Quantity: 3
  • Mounting Facility Type and Quantity: 3 CLIP
  • Material: PLASTIC CASE
  • Trip Release Characteristic: INSTANTANEOUS ALL LOCATIONS
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-387-6510, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-387-6510
Primary Part NumberB325
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Ite Circuit Protection Div
StatusACTIVE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole240.0 AMPERES AC ALL LOCATIONS
Pole Quantity3
Mounting Facility Type and Quantity3 CLIP
MaterialPLASTIC CASE
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Frequency in Hertz60.0 ALL LOCATIONS
Actuator Position DesignationAT EACH POLE
Trip Release MethodMAGNETIC ALL LOCATIONS
External Actuator Linkage ArrangementONE, TWO, AND THREE LINKED
Manual Actuator Type and Quantity3 TOGGLE
Operating Voltage Type and Rating Per Pole in Volts240.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Terminal Type and Quantity3 COMPRESSION AND 3 TAB, SOLDER LUG
Actuator FunctionTRIP-RESET
Reset MethodMANUAL
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps5000.0 AC ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
8455-01-048-3001 INTERCHANGEABLE
Insignia,grade,enlisted Personne
5950-01-106-532513032 INTERCHANGEABLE
Transformer,audio Frequency
Standex Electronics, Inc.
4820-01-445-5879 INTERCHANGEABLE
Valve,ball
7240-01-648-0979B325 INTERCHANGEABLE
Pail,utility
Behrens Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
B325 PRIMARY Siemens Energy and Automation Inc Ite Circuit Protection Div (USA)
Related Parts
8455-01-048-3001INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
5950-01-106-5325INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
13032
4820-01-445-5879INTERCHANGEABLE
VALVE,BALL
7240-01-648-0979INTERCHANGEABLE
PAIL,UTILITY
B325

Frequently Asked Questions

What is NSN 5925-01-387-6510?

NSN 5925-01-387-6510 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 5925-01-387-6510?

NSN 5925-01-387-6510 has 1 cross-referenced part number: B325 (Siemens Energy and Automation Inc Ite Circuit Protection Div).

What NSN replaces 5925-01-387-6510?

There are 4 known substitutes for 5925-01-387-6510: 8455-01-048-3001, 5950-01-106-5325, 4820-01-445-5879 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B325?

Key specifications for B325: Overall Width: 3.000 INCHES NOMINAL IN; Circuit Protection Type: OVERCURRENT ALL LOCATIONS; Maximum Continuous Load Current Rating Per Pole: 240.0 AMPERES AC ALL LOCATIONS; Pole Quantity: 3. 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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