VM110/500/800 Series Voltage Monitoring Relays

The Littelfuse / IBU VM series offers simple, compact protection: no need for advanced systems or extra space

Image of Littelfuse / IBU VM110/500/800 Series Voltage Monitoring Relays Unexpected motor stops, overheating, or reverse rotation are often caused by wiring issues or poor power quality. The Littelfuse / IBU VM series offers simple, compact protection: no need for advanced systems or extra space.

Features
  • Covers all key faults: phase loss, asymmetry, over/undervoltage, neutral loss (model dependent)
  • Adjustable and standard options: thresholds and delays available depending on model
Benefits
  • Essential protection in small format: detects power faults like phase loss, wrong sequence, or voltage issues
  • Fits anywhere: slim 17.5 mm or standard 35 mm DIN rail housing, ideal for crowded panels

VM110/500/800 Series Voltage Monitoring Relays

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
VMR 208-480 VAC, PHASE CONTROLVM110-00-00VMR 208-480 VAC, PHASE CONTROL0 - Immediate
265 - Factory Stock
$280.16View Details
VMR 208-480 VAC, PH.&V CONTROL -VM110-00-21VMR 208-480 VAC, PH.&V CONTROL -0 - Immediate
265 - Factory Stock
$280.16View Details
VMR 208-480 VAC, PH.&V CONTROL -VM110-00-22VMR 208-480 VAC, PH.&V CONTROL -0 - Immediate
265 - Factory Stock
$280.16View Details
VMR 415 VAC, PH., N &V CONTROL,VM500-10-23VMR 415 VAC, PH., N &V CONTROL,0 - Immediate
245 - Factory Stock
$318.62View Details
VMR 145-500 VAC, DIGITAL VOLTAGEVM800-20-20VMR 145-500 VAC, DIGITAL VOLTAGE0 - Immediate
264 - Factory Stock
$621.74View Details
Published: 2025-11-07