HD Series - 300 A Heavy-Duty High-Current Latching Relays

Series: HD
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

HD Series 300 A Heavy-Duty High-Current Latching Relays are remotely operated bistable relay disconnects designed for high-current circuits and applications that demand high performance, such as large inverter loads and high ambient temperature situations. Sealed to an IP67/IP69K rating, these heavy-duty automotive relays are built to withstand dust, water, and harsh weather, as well as environments with high shock and vibration.

The HD series bistable relays provide significant cost and weight benefits by eliminating the need to route heavy copper cables to more conveniently located mechanical-only disconnects. Cables can instead be routed directly to loads with the HD series relay positioned close to the battery or in line with the desired cable routing. Remote control of the HD latching relay can then be located in any convenient location on the vehicle with a finewire harness linking the HD relay to the control switch.

Features and Benefits

  • Supports high-current continuous loads up to 300 A and intermittent loads up to 1500 A for 10 seconds
  • Available with a 12 VDC coil or 24 VDC coil
  • Magnetically latched bistable or electronically controlled magnetically latched bistable operation draws no current in the On or Off position for low power consumption
  • Remote operation eliminates long runs of heavy cable, minimizing cable complexity, cost, and vehicle weight
  • Sealed to an IP67/IP69K rating for protection against dust, debris, and water ingress
  • Silver alloy contacts assure the lowest voltage drop/resistance and extend cycling life

Applications

  • Heavy-Duty Vehicles
  • Construction Vehicles
  • Agricultural Equipment
  • Military Vehicles
  • Heavy-Duty Lifting Equipment

Access specifications, certifications, check availability and order parts below

Catalog #Current Rating (Continuous) in AmpsCurrent Rating (Inrush) in AmpsVoltage Rating MaxIngress ProtectionOutput TerminalsContact MaterialNormal PositionHardwareConnectorHousingAgency Approval - ShockHumidityIgnition protectionTemperature Maximum CelsiusTemperature Minimum CelsiusSamplesCompare
880086300150016IP67, IP69KTwo Tin-Plated Copper 3/8-16 StudsCopperM5 or #10Deutsch 6 Pos DTMEngineered Thermoplastic10 G0-95% RHMeets ISO 8846 and SAE J117185-40Order
880088300150032IP67, IP69KTwo Tin-Plated Copper 3/8-16 StudsCopperM5 or #10Deutsch 6 Pos DTMEngineered Thermoplastic10 G0-95% RHMeets ISO 8846 and SAE J117185-40Order
880111100300150016IP67, IP69KCopperNormally OpenDeutsch 6 Pos DTMEngineered Thermoplastic0-95% RHMeets ISO 8846 and SAE J117185-40Order
880159300150016IP67, IP69KTwo Tin-Plated Copper 3/8-16 StudsDeutsch 6 Pos DTM0-95% RHMeets ISO 8846 and SAE J117185-50Order
880160300150032IP67, IP69KTwo Tin-Plated Copper 3/8-16 StudsDeutsch 6 Pos DTM0-95% RHMeets ISO 8846 and SAE J117185-50Order
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