Eaton EMR6-R400-A-1 Insulation Monitoring Device - 24-240 V AC/DC 184773

Insulation monitoring device for ungrounded AC, DC, and AC/DC IT systems, providing continuous monitoring of insulation resistance with adjustable response values from 1 kΩ to 10 MΩ. The EMR6-R400-A-1 offers two changeover contacts for alarm signaling and an integrated test button for functional verification.

Advantages

Active measuring principle ensures reliable detection of insulation faults. Wide control supply voltage range of 24-240 V AC/DC allows flexible integration. LED status indicators provide clear visual feedback. DIN rail mounting enables quick installation in distribution panels.

Suitable for

• Industrial automation systems
• Medical IT power supplies
• Renewable energy installations
• Marine and offshore electrical systems

Key specifications

• Monitored system voltage: 0-400 V AC/DC
• Adjustable response value: 1 kΩ - 10 MΩ
• Output contacts: 2 changeover contacts (2 C/O)
• Contact rating: 3 A @ 230 V AC (AC-15), 1 A @ 24 V DC (DC-13)
• Reset function: automatic or manual
• Mounting: DIN rail (EN 60715)
• Module width: 45 mm (2.5 TE)
• Protection degree: IP20
• Operating temperature: -25 °C to +60 °C

Recommendations

For reliable insulation monitoring in critical power systems, pair with Eaton circuit breakers and surge protective devices to ensure comprehensive electrical safety.