PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BR30-72B2-12VRelay,electromagnetic

Microsemi Corp.-Power Management Group · NSN 5945-01-482-1975 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-482-1975 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-482-1975. Primary manufacturer part number: BR30-72B2-12V.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES DC AND 4.0 AMPERES AC MOTOR LOAD
  • Main Contact Load Current Rating at Maximum Rated Voltage: 8.0 AMPERES DC AND 8.0 AMPERES AC INDUCTIVE LOAD
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Coil Quantity: 1
  • Duty Type: CONTINUOUS
  • Terminal Type and Quantity: 14 WIRE HOOK ALL FUNCTIONS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES DC AND 2.0 AMPERES AC LAMP LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-482-1975, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Microsemi Corp.-Power Management Group. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-482-1975
Primary Part NumberBR30-72B2-12V
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMicrosemi Corp.-Power Management Group
StatusCANCELLED
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES DC AND 4.0 AMPERES AC MOTOR LOAD
Main Contact Load Current Rating at Maximum Rated Voltage8.0 AMPERES DC AND 8.0 AMPERES AC INDUCTIVE LOAD
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Coil Quantity1
Duty TypeCONTINUOUS
Terminal Type and Quantity14 WIRE HOOK ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES DC AND 2.0 AMPERES AC LAMP LOAD
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Winding DC Resistance Rating70.0 OHMS MINIMUM SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.396 INCHES MINIMUM AND 1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Width0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts200.0 AC AND 28.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES DC AND 10.0 AMPERES AC RESISTIVE LOAD
Criticality Code JustificationFEAT
Arc Quenching MethodAIR
Winding Quantity1
Mounting Slot Width0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Specification/standard Data81349-MIL-PRF-83536/15/013M GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-PRF-83536 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type and Quantity3 SLOTTED HOLE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5945-01-091-9536 INTERCHANGEABLE
Relay,electromagnetic
5945-01-230-2169 INTERCHANGEABLE
Relay,electromagnetic
5945-01-236-3314 INTERCHANGEABLE
Relay,electromagnetic
5945-01-282-6900 INTERCHANGEABLE
Relay,electromagnetic
5945-01-396-8118 INTERCHANGEABLE
Relay,electromagnetic
5945-01-417-2146 INTERCHANGEABLE
Relay,electromagnetic
5945-01-446-9130 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
BR30-72B2-12V Microsemi Corp.-Power Management Group (USA)
E410-1311 Dri Relays Inc. Dba Dri Relays Inc (USA)
021-001061 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
57912800-01 General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
M83536/15-013M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BR230-78B2-12V Microsemi Corp.-Power Management Group (USA)
MIL-PRF-83536/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-091-9536INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-230-2169INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-236-3314INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-282-6900INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-396-8118INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-417-2146INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-446-9130INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-482-1975?

NSN 5945-01-482-1975 is a Relay,electromagnetic, manufactured by Microsemi Corp.-Power Management Group, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-01-482-1975?

NSN 5945-01-482-1975 has 7 cross-referenced part numbers: BR30-72B2-12V (Microsemi Corp.-Power Management Group), E410-1311 (Dri Relays Inc. Dba Dri Relays Inc), 021-001061 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 57912800-01 (General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems), M83536/15-013M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5945-01-482-1975?

There are 7 known substitutes for 5945-01-482-1975: 5945-01-091-9536, 5945-01-230-2169, 5945-01-236-3314 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BR30-72B2-12V?

Key specifications for BR30-72B2-12V: Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES DC AND 4.0 AMPERES AC MOTOR LOAD; Main Contact Load Current Rating at Maximum Rated Voltage: 8.0 AMPERES DC AND 8.0 AMPERES AC INDUCTIVE LOAD; Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Coil Quantity: 1. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-482-1975 still in active supply?

NSN 5945-01-482-1975 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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