Part #: STL609-04-01

LED Bulbs, Machine Status Indicators, 12 LED
24Vdc, Yellow

15mm SC Bayonet Base (BA15s)

360 Illumination, Use On: PATLITE/Sasaki Electric (ST series)

  • 3 Year LEDtronics Warranty
  • Fits 15mm Bayonet Single-contact (BA15s) based lamp fixtures.
  • Directly Mounts in Most Industry Standard Machine Stack Tower Holders
  • Maintenance Free, Easy Installation
  • Lumen Maintenance of Color LEDs Is Greater than 70% at 100,000 Hours of Operation.
    (Rated Average Life Based on Engineering Testing and Probability Analysis)
  • Major Cost Savings
  • Eliminates Machine Downtime
  • 360° Diffused Illumination
  • No UV or IR Radiation, No RF, No Mercury
  • Solid-State: High Shock & Vibration Resistant
  • Color codes listed reflect the status indicator lens colors.
  • BP = (DC voltage lamps are bipolar)
  • Part numbers listed are recommended retrofits to a specific manufacturer's stack holder model and are designed specifically to operate in those models.
  • 40+ Years LEDtronics Design & Manufacturing


Price: $25.72 each | Min Qty: 25

Choose Options:

Color Options
Voltage Options

Spec Sheets


  • Use On: PATLITE/Sasaki Electric (ST series)
  • For radial-beaming 120VAC applications requiring a 15mm single-contact bayonet base
  • Machine status indicators
  • Warning lighting applications


 Description24Vdc,Sp.Yellow,Ul.Red,Ba15s SC Bay
 Base TypeSingle Contact SC Bayonet Ba15s
 ColorSuper Yellow
 Wavelength (nm)595nm
 Voltage (V)24Vdc
 Power (Watts)0.816 W
 Current (Amps)0.034 A
 Operating Temp~-30°C to ~+50°C
 Intensity (Candela)1.400 cd
 Lumens (Lumen)
 SCP (Spherical Candela)
 Viewing Angle360° radial beam
Electrical-Optical Characteristics (Ta = 25°C)  


For qualified applications and large quantity orders
  • Other Colors Available
  • Industry Standard Bases
  • Special Voltages
  • Higher LED Count
  • Special Circuits

Prop. 65 Warning
WARNING: This product can expose you to chemicals including Di(2-ethylhexl)pthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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