Earth-fault detector X72DL3

Product overview
The X72DL3 is a compact Type A–F earth leakage (residual current) relay designed for 72×72 mm panel mounting. It provides intuitive, automatic detection of leakage currents and continuous insulation status indication via a multi‑colour LCD.

Status
This model has been replaced by the X72DL4; consult the X72DL4 for updated functions and compatibility.

Applications

• Continuous insulation monitoring in industrial switchboards and control panels
• Protection and diagnostic functions for machines and distribution systems
• Integration in control cabinets and retrofit panels (panel cut‑out 72×72 mm)
• Preventive maintenance and test procedures

Main features

• Leakage detection Type A–F (residual current)
• Compact panel size: 72×72 mm
• Multi‑colour LCD for real‑time insulation/leakage indication
• Intuitive and automatic leakage current detection
• Series: X...DL3 — Model: X72DL3

Technical specifications

• Model: X72DL3
• Panel cut‑out / front size: 72×72 mm
• Function: Type A–F earth leakage relay (residual current)
• Display: Multi‑colour LCD for insulation status indication
• Capabilities: continuous insulation monitoring; automatic leakage detection
• Electrical ratings and connection diagrams: see data sheet

Documentation and resources

• Data sheet (PDF)
• User manual (PDF)
• Options list (PDF)
• Certifications (PDF)

Technical drawings

• DWG technical drawing available
• PDF technical drawing available

Video

• Instructional video: "Relay X...DL3: adjusting actuating current settings"

Ordering & options

• Replacement model: X72DL4 (replaces X72DL3)
• Accessories and configuration options listed in product documentation
• Contact the supplier for spare parts, firmware updates and compatibility information