PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BR12-S52Relay,electromagnetic

Microsemi Corp.-Power Management Group · NSN 5945-00-683-4818 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-683-4818 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-683-4818. Primary manufacturer part number: BR12-S52.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Coil Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Main Contact Maximum Voltage Rating in Volts: 30.0 AC AND 30.0 DC
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-683-4818, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-683-4818
Primary Part NumberBR12-S52
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMicrosemi Corp.-Power Management Group
StatusACTIVE
Environmental ProtectionHERMETIC
Coil Quantity1
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts30.0 AC AND 30.0 DC
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Winding Quantity1
Winding DC Resistance Rating540.0 OHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-01-418-47249500-315 INTERCHANGEABLE
Adapter,yoke
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
BR12-S52 PRIMARY Microsemi Corp.-Power Management Group (USA)
RP7630G15 Leach International Germany Gmbh (DEU)
30-06GL Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
RP7630G15 Te Connectivity Corporation (USA)
3S2791GD311AM33H Communications Instruments Inc Div of Cii Technologies (USA)
RP7630G15 PRIMARY Te Connectivity Corporation (USA)
3S2791GD311AM33H Genicom Corp (USA)
RP7630G15 Cp Clare Corp North American Sales Operations (USA)
950031-5 Raytheon Company Dba Raytheon (USA)
KHJX74 PRIMARY Allied Controls, Inc. (USA)
Related Parts
3020-01-418-4724INTERCHANGEABLE
ADAPTER,YOKE
9500-315

Frequently Asked Questions

What is NSN 5945-00-683-4818?

NSN 5945-00-683-4818 is a Relay,electromagnetic, manufactured by Microsemi Corp.-Power Management Group, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-683-4818?

NSN 5945-00-683-4818 has 10 cross-referenced part numbers: BR12-S52 (Microsemi Corp.-Power Management Group), RP7630G15 (Leach International Germany Gmbh), 30-06GL (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), RP7630G15 (Te Connectivity Corporation), 3S2791GD311AM33H (Communications Instruments Inc Div of Cii Technologies) and 5 more.

What NSN replaces 5945-00-683-4818?

There is 1 known substitute for 5945-00-683-4818: 3020-01-418-4724. Verify interchangeability with system specifications before substitution.

What are the specifications of BR12-S52?

Key specifications for BR12-S52: Environmental Protection: HERMETIC; Coil Quantity: 1; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Terminal Type and Quantity: 8 PIN ALL FUNCTIONS. 14 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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