Silent contactor 230VAC 4NC 25A AC-7a/b ESC426S

Universal contactor for load control

This 230VAC, 25A contactor is designed for reliable switching of electrical loads. The design with four normally open contacts (4NC) provides versatility in various applications, from lighting control to heating appliances. It will work well in both home and industrial installations.

Construction and application

The ESC426 contactor is designed to operate in AC circuits, offering a rated operating voltage in the range of 230-400V. Its compact dimensions (mounting depth 60mm, width 35.75mm) allow for easy mounting on a DIN rail, saving space in the distribution box. It is designed for use category AC-7a/b, which means it is ideal for frequent switching of resistive and inductive loads. The rated operating current is 25A, and the maximum switching capacity for incandescent lamps is 1900W. The possibility of additional accessories increases its functionality and adaptability to specific installation needs.

Key features and benefits

• High reliability: Solid construction and precise workmanship guarantee long-lasting and trouble-free operation.
• Versatility: Four normally open contacts (4NC) allow for various circuit configurations.
• Compact dimensions: Facilitate mounting even in limited spaces.
• Wide voltage range: Suitable for operation in installations with a voltage of 230-400V AC.
• Safety: Protection class IP2X provides basic protection against contact and ingress of solid objects.
• High switching capacity: Allows control of various types of loads, including incandescent lamps (up to 1900W) and fluorescent lamps (up to 950VA or 1990VA with DUO compensation).
• Suitable for working with different wires: Accepts flexible wire cross-sections from 1 to 6 mm² and rigid wires from 1 to 10 mm².

The ESC426 contactor is characterized by a rated operating voltage in the range of 230 to 400V, and the rated control voltage is 220 to 240V AC. Its rated operating current is 25A, allowing it to handle loads with a power of up to 1900W for incandescent lamps and up to 950VA or 1990VA with DUO compensation for fluorescent lamps. It has four normally open contacts and a protection class of IP2X.

The ESC426 contactor is a proven element of every electrical installation, ensuring safe and efficient load control. Its versatility makes it an ideal choice for both professional installers and end-users looking for a reliable solution.