The Grace Technologies R-3W-SR is a non-flashing LED voltage indicator designed to provide steady visual confirmation of voltage presence in electrical panels.

Key Specifications

• Voltage Type: AC/DC
• Operational Voltage Range:
  • AC: 35–600 VAC (50/60 Hz)
  • DC: 30–1000 VDC
• LED Type: Non-flashing (steady light)
• Lead Connections: 3-phase, 4-wire
• Voltage to Door Required: No

Mechanical Details

• Mounting: Fits standard 30mm pushbutton hole
• Location: External (door or flange mounted)
• Installation: Simple push-through design for quick setup