Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs.

 

Fuses

Standard and Custom Fuses
  • Time Delay
  • Fast Acting
  • Semiconductor
  • Solar
 
 

Industrial GFCI

SB 6100 Shock Block
  • UL 943C Listed
  • CSA Listed
  • For continuous current of up to 100A
  • SCCR of 50,000A
  • 200 – 600 Vac
 
 

Arc Flash Detection

PGR 8800 Series Arc Flash Relay
  • UL Listed
  • Evaluates excess current and light emission to determine arc flash event or over current event
  • <1 ms response time
  • Utilizes up to 6 optical sensor for arc detection
  • Programmable to prevent nuisance tripping
  • Provides data logging and remote monitor capability via Ethernet protocol.
  • Can utilize AC or DC supply voltage

 

Resistance Grounding Detection

SE 330 Neutral Grounding Resistor Monitor
  • Continuous NGR monitoring
  • Ground fault detection
  • Adjustable Time Delay (0.1–10S)
  • Adjustable Pickup (2-100%)
  • 100 event data logging capability
  • Harmonic Filtering to eliminate false tripping
  • Ethernet, Modbus and Devicenet protocols
SE 325 Neutral Grounding Resistor Monitor
  • Continuous NGR monitoring
  • Ground fault detection
  • Adjustable Time Delay (0.1–2S)
  • Adjustable Pickup (0.5-4A)
  • One alarm or trip output
PGR 5330 Neutral Grounding Resistor Monitor
  • Continuous NGR monitoring
  • Ground fault detection as low as 100 mA
  • Adjustable Time Delay (0.1–10S)
  • Adjustable Pickup (Unlimited)
  • Harmonic filtering to eliminate false tripping
  • 10 event data logging capability
  • RS 232 protocol
PGM 8325 Neutral Grounding Resistor Monitor
  • Continuous NGR monitoring
  • Ground fault detection
  • Adjustable Time Delay (0.1–2S)
  • Adjustable Pickup (0.5-4A)
  • One alarm or trip output

 

Ground Fault Detection

SE 601 DC Ground Fault Monitor
  • Microprocessor based relay for ungrounded DC systems.
  • Used on systems from 24-1000 VDC
  • Adjustable pickup (1-20mA)
  • Adjustable time delay (50ms – 2.5 S)
  • Retains trip state when de-energized
PGR 3200 Ground Fault Protection System
  • Detects ground faults by continuously monitoring the integrity of insulation on ungrounded electrical systems.
  • Monitors 1,2 and 3 phase systems up to 6kv
  • Meets NEC
  • DIN-rail or surface mountable
PGR 4300 Ground Fault Protection System
  • Detects ground fault condition on generators without the need for CT’s
  • Compatible with 3 or 4 pole transfer switches
  • Continuously monitors NGR
  • Adjustable pickup (100-1200A)
  • Time delay (0-1S)
  • Neutral to ground continuity alarm

   

Trapp Industrial provides specialist in timing and controls to support your design and selection needs. Please call for expert advice and application engineering. 
 


Trapp Industrial Sales Engineers have the experience and the training to help you with all of your Littelfuse product line applications. 

Please visit the “Meet our Reps” page to find your local contact.