Dold Monitoring Relay SPDT Insulation Monitoring Relay 10 KΩ to 5 MΩ, 2V AC, 220 MK5880N.38/200 DC24V 5-100kOhm VW10k-5MOhm

Dold MK5880N.38/200 DC24V 5-100kOhm VW10k-5MOhm monitoring relay is a reliable SPDT insulation monitoring relay designed for single and three-phase AC systems operating up to 500 V and frequencies up to 1000 Hz. It is ideal for use in electrical automation, industrial control, and safety systems.

This device effectively monitors insulation resistance in disconnected voltage systems, providing early detection of insulation faults. It features an adjustable tripping value from 5 to 100 kΩ and galvanically separated auxiliary voltage, measuring circuits, and output contacts for enhanced safety and isolation.

The relay provides both manual and automatic reset functions with convenient test and reset buttons. LED indicators clearly display operating and alarm statuses, facilitating easy diagnostics and maintenance. It includes two robust changeover contacts rated for a contact current of 4 A, delivering reliable switching performance.

With a compact form factor measuring 97mm in length, 90mm in height, and 22.5mm in width, and protection ratings of IP20 and IP40, this monitoring relay is suited for mounting in industrial panels and control cabinets. Its wire connections support 2 x 1.5 mm² stranded ferruled cables or 2 x 2.5 mm² solid wires, complying with DIN 46 228 standards.

Additional features include optional pluggable terminal blocks for easy device exchange and compatibility with external test and reset buttons, enhancing operational flexibility. Manufactured in Germany, the MK5880N.38/200 complies with AC, CCC, CE, and RoHS standards, ensuring quality and environmental compliance.

Designed for single and three-phase AC systems up to 500 V and 1000 Hz. Adjustable trip value from 5 to 100 kΩ for insulation monitoring. Galvanic isolation of auxiliary voltage, measuring circuit, and output contacts. Manual and automatic reset with integrated test and reset button features.

LED operation and alarm indicators for quick status identification. Two SPDT changeover contacts rated at 4 A for reliable switching. Compact size with 97mm length, 90mm height, 22.5mm width, IP20/IP40 rated. Supports wire connections of 2 x 1.5 mm² stranded ferruled or 2 x 2.5 mm² solid wires.

Optional pluggable terminal blocks for easy device replacement. Manufactured in Germany with AC, CCC, CE, and RoHS compliance.

This monitoring relay is suitable for industrial, electrical automation, manufacturing, and HVAC applications where insulation integrity and safety are critical. It supports reliable fault detection and system protection, contributing to operational safety and downtime reduction.

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