ABB S range Series DIN Rail Timer Relay 2-Contact DPDT 24 to 240 V AC/DC ON Delay 0.05 s to 300 h 1SVR740100R0300 CT-ERS.21P

ABB 1SVR740100R0300 CT-ERS.21P is a DIN Rail Timer Relay from the S range series designed for precise ON Delay timing applications. This timer relay supports a voltage supply range from 24 to 240 volts AC/DC, making it versatile for different industrial control circuits.

The device features a 2-contact DPDT contact configuration rated for 4A current, assuring reliable switching performance. Its compact design with dimensions of 85.60 mm height, 22.5 mm width, and 103.70 mm length enables easy integration into control panels and automation systems.

The timer offers an impressively wide time range adjustable from 0.05 seconds up to 300 hours, selectable via front-face operating elements for precision control. Installation is simplified with screwless terminal technology, providing tool-free connection and fast wiring.

The enclosure meets high fire safety standards with UL94 VO rated material and is protected with IP20 and IP50 ratings, suitable for industrial environments with moderate exposure to dust and moisture. Additionally, the relay includes two LED indicators for clear status monitoring of operation and timing.

Built to operate reliably from -40°C to 60°C, this timer relay is ideal for a broad range of industrial and automation applications including machinery control, process timing, and signal conditioning. It complies with IEC/EN 60947-1 standards and international approvals such as UL 508, CAN/CSA C22.2 No.14, GL, GOST, CB scheme, CCC, CE, and C-Tick.

Operates on 24 to 240 V AC/DC supply with screwless terminal connections. Provides ON Delay timing from 0.05 s to 300 h with precise front adjustment. Features 2-contact DPDT switching rated at 4A current. Compact form factor designed for easy DIN rail mounting and demounting.

Equipped with LED indicators for status display. Durable enclosure with UL94 VO flame-retardant rating and IP20/IP50 protection. Operating temperature range from -40°C to 60°C for harsh industrial environments. Certified to multiple international standards for safety and reliability.

This ABB S range Timer Relay is engineered to enhance the efficiency and accuracy of industrial automation systems. Suitable for use in manufacturing plants, electrical control panels, HVAC systems, water treatment plants, and other electrical automation scenarios. Explore EnvMart's extensive range of electrical and automation components for complementary products and solutions.