LR4 Series – 40mm LED Signal Tower Lights

Key Features & Specifications

• – Tower Diameter: 40mm LED Signal Tower Lights
• – Mounting Location: Indoor use
• – Mounting Direction: Upright position
• – Protection Rating:
  1. IP65 (IEC 60529)
  2. NEMA Type 4X, 13
• – Insulation Resistance:
  1. More than 1MΩ at DC 500V between power input lead and chassis
• – Withstand Voltage:

1. AC 500V for 1 minute between terminals and chassis without insulation breakdown
2. (M2 type: AC 1500V for 1 minute)

• – Flash Rate: 60 ±2 flashes per minute
• – Sound Level: Approx. 85 dB (LR4 typical)
• – Sound Reduction: Approx. -10 dB reduction option
• – Audible Coverage:

1. Buzzer Sound No.4 (Sweep) clearly audible from all directions at 1 m distance

• – Transistor Output:

1. NPN / PNP supported
2. (AC 100–240V models: NPN only)

Applications

The LR4 Series Signal Tower Lights are widely used in:

• – Industrial automation and control panels
• – Manufacturing and assembly machines
• – Packaging and material handling systems
• – Equipment status and alarm indication

Compact, reliable, and efficient, the LR4 Series from Shikhar Automation provides a smart signaling solution to improve machine communication, reduce downtime, and maintain high safety standards across industrial operations.