SD Series Series - Remote Switching 1- or 2-Pole High-Amp Relay

Series: SD Series
Availability: Special Order Only

This item is Special Order and has minimum order quantities and may have longer lead times.

Questions? Contact Littelfuse Support
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Bi Stable Latching Relays SD Series Characteristics

  • Eliminates the cost and weight of routing large copper cables to operator accessible locations through remote operation via small control wires  
  • Supports new USDOT 11579 requirements for hazardous material transportation vehicles (Section 7.C.12) 
  • Great choice for high continuous current passage, large engine starting needs and high ambient temperature  
  • Auxiliary Relay Contact for Alternator Field Disconnect (AFD) or for additional vehicle system control 
  • Dedicated 24 Hour output, thermally protected, for tachograph or other keep-alive functions  
  • Supports multiple E-stop OFF Switches  
  • Ignition protected to SAE J1171 and ISO 8846 for installation in a battery box or on vehicles carrying hazardous loads 
  • Fault-tolerant, closed-loop control system eliminates inadvertent OFF operation  
  • Quiescent Current: Less than 25mA
Input Voltage: 9-16V DC
Primary Contact Voltage: 9-32V DC

Max Continuous Current:

880103: 600A

880107: 600A (300A per pole)

 Max Intermittent Current (30sec):

880103: 2000A

880107: 1000A

 Max Inrush Current:

880103: 3000A

880107: 2000A


880103: Single Pole Single Throw (SPST)
880107: Dual Pole Single Throw (DPST)
Contacts: Normally Open, Normally Closed (NO, NC)
Contact Material: Silver Plated Cooper
Contact Threads: M10 1.4 Stainless Steel
IP Rating: IP66 and IP6K9K

Access specifications, certifications, check availability and order parts below

Catalog #VoltageDescriptionPackage TypeMax total continuous current per poleMaximium inrush current (1 second)ContactsHousingMax total continuous currentTemperature rangeHumidityVibrationConnectorIngress ProtectionControl currentInrush currentCompare
8801039-32VSD Single Pole Relay with Molex ConnectorBulk600A3000ASilver Plated CopperEngineering thermoplastic600A-40 degrees C to 85 degrees C0-95% RH8GMolex MX150IP66
8801079-32VSD Dual Pole Relay with Molex ConnectorBulk300A2000ASilver Plated CopperEngineering thermoplastic600A-40 degrees C to 85 degrees C0-95% RH8GMolex MX150IP66