Taihua time delay relay AT-4B power-on cycle delay

The AT-4 time relay is a versatile product that offers reliable and precise control of time-critical processes. With a compact and lightweight design, this time relay is designed to fit standard outline dimensions (58×88mm, 50×78mm) and can be easily installed using panel type, socket type, or din-rail type installation methods. The AT-4 time relay is built on an integrated circuit platform, which provides a wide range of delay options to meet the needs of various systems. Additionally, this product boasts many advantages, including a long life, small size, and light weight, making it ideal for even the most demanding applications. The AT-4 time relay is widely used in automatic control systems that require high precision and high reliability. It is an ideal solution for applications that require precise timing, such as in process control, automation control, lighting control, and communication equipment. Overall, the AT-4 time relay is a reliable and efficient solution for anyone looking for precise timing control. Its compact design and wide range of installation options make it a versatile and easy-to-use product that is ideal for a variety of applications.

Main technical parameter

(1) Company code (2) Time relay (3) Design serial number (4) Derived code Digital type (5) Delay type A: Power-on delay C: Power-on delay with instantaneous contact G: Interval (release) delay F: Power failure delay R: cycle delay (6) Installation method None: Socket type M: Panel type

Application

Model	Mode	Number of contacts	Delay range
AT-4B/A	Power on delay	two groups of changeover	0.1s～9.9s、1s～99s、0.1m～9.9m、1m～99m、0.1h～9.9h、1h～99h
AT-4B/C	Power on delay	a group of imstantaneous，a groups of changeover	0.1s～9.9s、1s～99s、0.1m～9.9m、1m～99m、0.1h～9.9h、1h～99h
AT-4B/G	Interval delay	two groups of changeover	0.1s～9.9s、1s～99s、0.1m～9.9m、1m～99m、0.1h～9.9h、1h～99h
AT-4B/R	Poweron cycle delay	two groups of changeover	T1:0.01s～990h T2:0.01s～990h
AT-4B/F	power -off delay	two groups of changeover	0.1s～9.9s、1s～99s

Working power	AC380V、220V、110V、36V、24V 50Hz；DC24V;AC/DC24～240V
Repeat error	≤1%
Contact capacity	Ue/Ie：AC-15 AC220V/1A；DC-13 DC220V/0.15A；Ith：3A
Mechanical life	1×10⁶ time
Electrical life	1×10⁵ time
Installation	Panel-type/Device type/din railtype

Model Number Structure

Features

● Standard outline dimensions (58×88mm,50×78mm), with panel type, socket type, din-rail type installation.

● Conform to many national or industry standards such as GB/T14048.5 with high quality and high performance

● Adopt integrated circuits as the main components with a wide delay range.

●Provided with many advantages such as long life, small size, light weight and so on. Widely used in various automatic control systems that require high precision and high reliability.

Wiring diagram