The DEIF AAL-111Q96 is an insulation monitor designed to supervise the insulation resistance between an insulated low-voltage distribution network and earth. It's widely used in marine installations and other isolated AC networks where safety and corrosion prevention are critical.

Specifications & Features

• Type: Insulation monitor
• Model: AAL-111Q96
• Measurement Range: High or low ohms (interchangeable scales)
• Voltage Compatibility: Up to 440V AC (single-phase or 3-phase, with or without neutral)
• Auxiliary Voltage:
  • AC: 100V to 440V (via transformer taps)
  • DC: 24V
• Display: Analog scale graduated in ohms
• Alarm Function: Red LED marked “FAULT” activates when insulation resistance drops below preset limit
• Mounting: DIN 96 × 96 mm panel mount
• Environment: CE marked for residential, commercial, light industry, and industrial use