Whelen Engineering Company, Inc.
L51 & L53

Available in multiple mounting options, L50 Series beacons are durable and suitable for numerous applications.

  • SAE Class 1 Certified – L51 Series
  • SAE Class 3 Certified – L53 Series (Amber)
  • Polycarbonate Black base & twist-off domes
  • 100% solid-state and conformal coated electronics
  • Hard-coated domes minimize environmental damage from sand, sun, salt, and road chemicals
  • Full reverse polarity protection
  • 75 SignalAlert™ flashes per minute
  • Rated for thousands of hours of use
  • 12 VDC, for 24 VDC models contact factory
  • L51: 1.5 Amp (peak), 0.6 Amp (average)
  • L53: 0.4 Amp (peak), 0.16 Amp (average)
  • 3-3/4” (95mm) H x 5” (127mm) Dia.
  • Five year warranty

Permanent Mount

  • Combination mounting: 1″ Pipe/Permanent
  • Supplied with a ” pigtail
  • Synchronize with up to eight Whelen beacons (L51 models)
  • Hi/Low intensity control

Magnetic & Magnetic /Suction Mount

  • Supplied with a 10’ cord and cigar plug with built-in On/Off switch with LED “On” indicator and pattern control selection switch

Replace “ * “ symbol in model number with letter indicating lens color or LED color desired:

A = Amber; B = Blue; C = Clear/White; R = Red; G = Green

Replace “ # “ symbol in model number with letter indicating SPLIT lens or LED color desired:

D = Red/Clear; E = Blue/Clear; F = Amber/Clear; H = Green/Clear J = Red/Blue; K = Red/Amber; L = Red/Green; M = Blue/Amber

L51*P
Class 1, Amber or White, Perm Mount
L51*M
Class 1, Amber or White, Magnetic Mount
L53AP
Class 3, Amber, Flat Mount, Single LED Beacon, Scan-Lock™ Flash Patterns including Steady-Burn and Cruise Mode
L53AM
Class 3, Amber, Magnetic Mount, Single LED Beacon, Scan-Lock™ Flash Patterns including Steady-Burn and Cruise Mode
MIRROR15
Mirror Mount Bracket for L50 Series
L51*P
Class 1, Amber or White, Perm Mount
L51*M
Class 1, Amber or White, Magnetic Mount
L53AP
Class 3, Amber, Flat Mount, Single LED Beacon, Scan-Lock™ Flash Patterns including Steady-Burn and Cruise Mode
L53AM
Class 3, Amber, Magnetic Mount, Single LED Beacon, Scan-Lock™ Flash Patterns including Steady-Burn and Cruise Mode

WARNING: These products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit whelen.com/regulatory.