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Whelen Legacy Series Blue LED Light bar

Whelen Micro Pioneer Series - Super-LED® Work/Scene Light With Interchangeable Lenses

MPB4W - White Bail Mount


Ideal for challenging applications on Fire and Rescue vehicles, utility, off-road, marine and even agricultural.


  • Rugged, die-cast aluminium housing, powder coated black or white.
  • Solid-state electronics are rugged and reliable.
  • Rated to last 100,000 hours with remarkable bright light.
  • Optic lens changes easily via four screws in picture frame fixture.
  • Over 3600 lumens.
  • IP 67 Rating.
  • 12.8VDC standard, draws 4 amps.
  • 24VDC available, draws 2 amps.
  • Stainless steel bail bracket with 3/8” stud carriage bolt mount, standard.
  • 5 year HDP® Heavy-Duty Professional warranty.

8° spot spread pattern comes standard, plus a choice of three other spread patterns with supplied interchangeable optic lenses:

  1. 40° x 8° horizontal flood 
  2. 40° x 20° flood
  3. 90° x 20° wide flood
Micro Pioneer - Lenses
Micro Pioneer - Interchangeable Lenses


Bail Mount Black (Pictured Below)

Bail Mount - Black

MPB4B: 24v - Black - Bail Mount
MPBB: 12v - Black - Bail Mount

Bail Mount White (Pictured Below)

Bail Mount - White

MPB4W: 24v - White - Bail Mount
MPBW: 12v - White - Bail Mount

Swivel Mount White (Pictured Below)

Swivel Mount - Black

MPPBBS: 12v - Black - Swivel Mount

Additional Information


Whelen Micro Pioneer LED Lighthead - Dimensions

View FileMicro Pioneer™ Series - Specification Sheet    Size: (1.13 MB)
View FilePioneer Series - Full Range    Size: (521.37 KB)

Delivery Info


We will endeavour to send your order out to you as soon as possible. Timescales are dependent on stock availability and the type of product ordered as follows:

Onsite Stock: If your order includes exclusively stock that we have available onsite, the dispatch and delivery process will be completed fairly quickly. The standard lead time for orders placed for in-stock products is between 3 and 5 working days; however we always try to dispatch the order as soon as possible and you might receive it in a shorter time.  

Special Orders: If your order includes items that need to be shipped from the US, or bespoke products that are made to customer specifications such as lightbars, delivery can take 2 to 6 weeks.  Once your order has been received, our team members will provide you with further, realistic information on delivery dates, and keep you updated if changes occur. 


Postage is a flat rate of £10 to anywhere in the UK for online orders under £250. For orders over £250, the postage is free.