Dold Monitoring Relay 3 Phase 0.8 to 1.1 UN Monitor Range DPDT DIN Rail 400V ac MK9040N.12/001 3AC50/60Hz 400V

Dold MK9040N.12/001 3AC50/60Hz 400V monitoring relay is a high-precision transducer designed for industrial three-phase network applications. This relay monitors voltage asymmetry within the range of 0.8 to 1.1 UN, ensuring protection against phase loss, reverse voltage, and phase sequence faults. It incorporates DPDT output contacts with a contact current rating of 6A and mounts conveniently on standard DIN rails, providing a space-efficient installation width of 22.5 mm.

Equipped with two LED indicators, the device clearly displays the voltage supply status and contact position, enabling easy operational monitoring. The relay body has a robust orange housing manufactured in accordance with DIN 43 880 standards and is rated for IP20 and IP40 protection, making it suitable for harsh industrial environments.

Operating temperature ranges from -20°C to 60°C, this device complies with a comprehensive set of international standards including IEC/EN 60 068-1, IEC/EN 60255-1, UL Subject 94, IEC 60 664-1, IEC/EN 60 947-5-1, DIN 46 228-1/-2/-3/-4, IEC/EN 60 715, EN 55 011, IEC/EN 60 999-1, IEC/EN 61 000-4-5, IEC/EN 61 000-4-4, IEC/EN 61 000-4-3, IEC/EN 61 000-4-2, IEC/EN 60 068-2-6, and IEC/EN 61 000-4-6, ensuring robust safety and interference immunity.

This relay is ideally suited for monitoring voltage asymmetry and phase conditions in three-phase systems such as those found in lifts, escalators, and hoisting systems, providing critical protections against electrical faults. Its compact size, reliable screw terminal connections, and conformity to international standards make it a dependable component in automation and electrical control systems.

Set contains the monitoring relay unit with DPDT output and mounting accessories compatible for DIN rail installation. The relay monitors voltage asymmetry in three-phase systems within 0.8 to 1.1 UN range. Features DPDT output contacts with a 6A rating.

Compact 22.5mm width fits standard DIN rails. LED indicators for voltage supply and contact status. High protection ratings IP20 and IP40 ensure operational reliability. Operating temperature range from -20°C to 60°C. Compliant with multiple international IEC, EN, and UL standards.

Ideal for industrial applications including lifts, escalators, and hoisting systems. Manufactured in Germany, assuring quality and durability. Mounts easily on DIN rails with screw terminals for secure connections. Explore more electrical Monitoring Relays and automation components on EnvMart for your industrial requirements.