Protection Relays and Controls

Littelfuse delivers vital products to address customer needs for protection, safe control and distribution of electrical power in industrial applications.

The Protection Relay and Control product portfolio includes a comprehensive line motor and pump protection relays, arc-flash relays, ground fault relays, feeder protection, pump controllers, time delay relays, flashers and tower lighting, and more to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from injury due to electrical faults.

Professionals in construction, manufacturing, mining, oil & gas, solar, and many more industries rely on Littelfuse for rugged, lasting protection for their designs and critical applications.

Features

  • Arc Flash Detection
  • Motor and Pump Protection
  • Feeder Protection
  • Industrial Shock Block
  • Industrial GFCI
  • Ground Fault Relays
  • Relay Current Transformers
  • Resistance Grounding
  • Trailing Cable Protection
  • Voltage Monitoring Relays
  • Pump Controls and Liquid Level Controls
  • Alternating Relays
  • Intrinsically Safe Relays
  • Time Delay Relays
  • Flashers and Tower Lighting Controls
  • Single Function Relays
  • Current Monitoring Relays
  • Covers, Mounting Adapters, Accessories

Check the supplier’s website for more detailed product features

DC Solenoids and Relays

DC solenoids are relays used for remote switching of electrical currents from 20A to 600A. Littelfuse offers a variety of DC solenoids and relays, such as solid state relays, plug-in relays, compact relays and much more.

Features

  • Standard High Current Relays
  • Bi-Stable Latching Relays
  • Speciality Relays
  • CAN Controllers-Plug In Relays
  • Solid State Relays
  • Time Delay and High Power Relays
  • High Voltage DC Contactor Relays

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DC Power Distribution Modules (PDM)

Power Distribution Modules (PDM) for vehicles or commercial equipment feature multiple electrical power outputs, acceptance of many fuses, fuse types & relays and allow for custom configuration.

Features

  • Configurable Power Distribution Modules
  • Hard Wired Power Distribution Modules
  • Fuse Only Power Distribution Modules
  • Unsealed Power Distribution Modules
  • POWR-BLOK Modular Power Distribution
  • Automotive and Commercial Vehicle Fuse Holders

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Battery Management

Littelfuse battery management devices provide various methods of conserving starting power, protecting against over-discharge, combining power from two battery banks, and protecting auxiliary equipment such as liftgate motors.

Features

  • Battery Combiners
  • Battery Isolators
  • Electrical Battery Disconnect Switches
  • FlexMod Electronic Modules
  • Low Voltage Disconnects
  • Time Delay and High Power Relays

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Surge Protection Modules and Devices

Littelfuse surge protection devices (SPDs) and modules are designed to provide protection from transient overvoltage. The modules are intended for use in surge protectors for outdoor and commercial LED lighting fixtures while the SPDs are for branch circuits in industrial facilities.

Features

  • LED Lighting Surge Protection Modules
  • Surge Protection Devices

Check the supplier’s website for more detailed product features