Earth-fault detector X48DB3

Overview
Type B earth leakage relay X48DB3 is designed for automatic and intuitive detection of continuous (DC), alternating (AC) and high-frequency leakage currents. Intended for 48 x 48 mm panel mounting, it provides continuous insulation status monitoring via a multicolour display for immediate visual feedback to aid diagnostics in control and distribution panels.

Key features

• Detection of continuous (DC), alternating (AC) and high-frequency leakage currents
• Continuous insulation monitoring with multicolour status display
• Compact panel cutout: 48 x 48 mm
• Automatic detection logic to simplify commissioning and troubleshooting
• Part of the X...DB3 series for modular integration

Downloads

• Data sheet (PDF)
• User manual (PDF)
• Available options (PDF)
• Certifications (PDF)

Videos

• New type B earth leakage relays by FRER SRL (YouTube)
• New type B earth leakage relays by FRER SRL (alternate video)
• Relè differenziali di terra TIPO “B” X...DB3 (YouTube)
• Earth leakage relay TYPE “B” X...DB3 (YouTube)

Technical specifications

• Model: X48DB3
• Product type: Type B earth leakage relay
• Panel cutout / front size: 48 x 48 mm
• Detection: continuous (DC), alternating (AC) and high-frequency leakage components
• Display: multicolour status display for insulation monitoring
• Function: continuous insulation monitoring with immediate alarm/indication
• Documentation available: data sheet, user manual, options list and certifications (PDF)