Whelen Back-Up Alarms

Our Fixed Tonal Back-Up Alarms provide reliable safety solutions for vehicles in a variety of applications and environments. Offering output ranges up to 112dB, these alarms deliver clear and effective auditory warnings to enhance workplace safety. Designed with universal and surface mounting options, stud or flying lead connections, and compatibility with 12-24 or 12-36 VDC systems, these alarms ensure versatile and easy installation. Whether for smaller work trucks and utility vehicles or heavy-duty construction equipment, our alarms are built to perform consistently and withstand demanding conditions.

Features:

• Enhanced Safety: Clear and effective auditory warnings to improve workplace safety across all environments
• Versatile Installation: Flexible universal and surface mounting options with stud or blunt cut wire connections
• Reliable Performance: Engineered to deliver consistent operation from light-duty to heavy-duty vehicles
• Rugged Durability: Built to withstand tough and demanding conditions, ensuring long-lasting performance

Specifications:

• Tones: Standard back-up warning tone
• Control: Controlled by connection to vehicle’s back-up lights and back up switch BUSW1
• Housing: Glass filled nylon
• Fully Encapsulated: Moisture, vibration, and corrosion resistance
• Universal Mount: Horizontal or Vertical
• Surface Mount
• Included Cables & Hardware: Blunt cut wire or stud connections
• Certifications: SAE Class B, C, D and F
• Warranty Light Duty: 2-year
• Warranty Heavy Duty: 5-year
• Voltage: 
  • 107dB: 12-36 VDC
  • 112dB: 12-36 VDC
• Size Light Duty:
  • BU87LD, BU97LD, BU102LD, BU87LL, BU97LL, BU102LL:
  • 4.02” (10.21cm) W x 2.74” (6.96cm) H x 1.65” (4.19cm) D
• Size Heavy Duty:
  • BU107HD, BU112HD, BU107HL, BU112HL:
  • 5.20” (13.20cm) W x 3.20” (8.12cm) H x 2.88” (7.31cm) D