- Micro Controller based
- Star-Delta Start
- Star Delta transition time 75 ms or 150 ms
- Change over contacts
- LED indication for power supply and relay status
- Din Rail mounting
Harmony RE22 Modular Single Function Timer
This Harmony RE22 modular single function timer can be set between 1 second and 300 hours. It provides function Qe and it is mountable on DIN rail. This modular single function timing relay is ideal for providing timing control in automation systems such as automatic door opening, alarm, lighting in toilets, and car park barriers.
It has one of the market’s slimmest form-factors with a 22.5mm width, allowing for a flexible and easy installation on DIN rail, using the same space as any modular 2-pole DIN device. It also offers a sealable cover, simple and precise settings with rotary trimmers. Selectable timing range offers a one-stop solution for your power management system. Single function timer for a simple integration in hard-wired logic schematics, ideal for refurbishment of old installations without using a PLC.
Applications and Benefits
The Harmony RE22 timer is designed to meet the needs of various automation systems. Its compact size and versatile functionality make it an excellent choice for:
- Automatic door opening systems
- Alarm systems
- Lighting control in toilets
- Car park barriers
By providing precise timing control, the Harmony RE22 helps improve the efficiency and reliability of these systems. Its easy installation and configuration make it a preferred choice for both new installations and refurbishments.
Technical Specifications
The Harmony RE22 timer offers a wide range of technical features that enhance its performance and usability:
- Time setting range: 1 second to 300 hours
- Function: Qe
- Mounting: DIN rail
- Width: 22.5mm
- Sealable cover
- Rotary trimmers for precise settings
- Selectable timing range
Star Delta Timer
The Star Delta Timer is an essential component in industrial electrical systems, specifically used to control the starting sequence of electric motors. This timer facilitates the transition of a motor from a star (wye) configuration to a delta configuration, allowing for a smooth and controlled start-up process. By initially starting the motor in the star configuration, which reduces the starting current, and then switching to the delta configuration for full-speed operation, the timer helps minimize electrical stress and mechanical wear on the motor and associated equipment.
Functionality and Advantages
The Star Delta Timer is crucial for applications where reducing the starting current of motors is necessary. Its benefits include:
- Minimizing electrical stress on the motor
- Reducing mechanical wear on associated equipment
- Ensuring a smooth and controlled start-up process
These advantages make the Star Delta Timer a valuable addition to any industrial electrical system, enhancing both performance and longevity.
Technical Features
The Star Delta Timer is equipped with several technical features that ensure its effective operation:
- Micro Controller based
- Star-Delta Start
- Star Delta transition time: 75 ms or 150 ms
- Change over contacts
- LED indication for power supply and relay status
- DIN Rail mounting
These features contribute to the timer’s reliability and ease of use, making it an ideal choice for various industrial applications.