Asymmetric Cycler Timer Relay, SPDT, AC/DC 12V-240V

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$64.32

The asymmetric cycler time delay relay has 1×SPDT/ 2×SPDT these two output types. It has a separate delay setting function and can be set in an ultra-wide delay range of 0.1 seconds to 100 days, which can automatically switch the circuit opening and closing state in two different time intervals to achieve intermittent operation of the equipment. In addition, by short-circuiting S-A1, different working modes can be switched. Timed or intermittent fine control and protection of equipment in the power system can be achieved.

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SKU: ATO-TIMER-GRT8S

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Overview

The asymmetric cycler time delay relay is an electrical control device that can be easily installed on a DIN rail. It has an LED light to display the device status and has a 10-position delay range to choose from. It automatically detects faults and can quickly cut off the power supply to the faulty part to prevent the expansion of the fault. It improves the reliability and stability of the power system and reduces the workload of operators.

Feature

2 time functions:
Cycler beginning with pulse
Cycler beginning with pause
Function choice is done by an external jumper of terminals S-A1.
Time scale 0.1 s - 100 days divided into 10-time ranges: (0.1 s - 1 s/ 1 s - 10 s/ 0.1 min - 1 min/ 1 min - 10 min/ 0.1 hrs - 1 h/ 1 hrs - 10 hrs/ 0.1 day - 1 day/ 1 day - 10 days/ 3 days - 30 days/ 10 days - 100 days).
Relay status is indicated by LED.
1-MODULE, DIN rail mounting.

Mode and Connotation

Asymmetric cycler timer relay front mode connotation

Technical Parameters

Model	ATO-GRT8-S1	ATO-GRT8-S2
Function	Asymmetric cycler time relay
Supply Terminals	A1-A2
Voltage Range	AC/DC 12V-240V (50-60Hz)
Burden	AC 0.09-3VA/ DC 0.05-1.7W
Supply Voltage Tolerance	-15%;+10%
Supply Indication	Green LED
Time Ranges	0.1 s - 10 days
Time Setting	Potentiometer
Time Deviation	10% - mechanical setting
Repeat Accuracy	0.2% - set value stability
Temperature Coefficient	0.05%/°C, at=20°C (0.05%°F,at=68°F)
Output	1×SPDT	2×SPDT
Current Rating	1×16A (AC1)	2×16A (AC1)
Switching Voltage	250VAC/24VDC
Min. breaking Capacity DC	500mW
Output Indication	Red LED
Mechanical Life	1×10⁷
Electrical Life (AC1)	1×10⁵
Reset Time	Max. 200ms
Operating Temperature	-20°℃ to +55℃ (-4F to 131°F)
Storage Temperature	-35°℃ to +75°℃ (-22°F to 158°F)
Mounting/ DIN Rail	Din rail EN/ IEC 60715
Protection Degree	IP40 for front panel/ IP20 terminals
Operating Position	Any
Overvoltage Cathegory	III.
Pollution Degree	2
Max. cable Size (mm² )	Solid wire max. 1×2.5 or 2×1.5/ with sleeve max. 1×2.5 (AWG 12)
Dimensions	90mm×18mm×64mm
Weight	1×SPDT: 62g 2×SPDT: 82g
Standards	EN61812-1, IEC60947-5-1

Wiring Diagram

Asymmetric cycler timer relay wiring diagram

Functions Diagram

Cycler beginning with pulse

Cycler beginning with pulse

Cycler beginning with pause (jumper A1-S)

Cycler beginning with pause

Dimensions (mm)

Asymmetric cycler timer relay dimensions

Tips: In terms of working principle, the asymmetric cycler timer relay can achieve the following functions

Through the preset action time and release time, the circuit can be timed and controlled, such as turning on or off certain equipment at a specific time every day.
When a fault occurs in the power system, the relay can act according to the predetermined program, cut off the fault circuit, and protect the safety of the equipment and system.
In some application scenarios, the equipment may need to work intermittently to prevent overheating or other potential problems. The relay can perform switching operations within the set time interval.
The relay can control the circuit according to the set cycle mode, such as repeatedly opening and closing.

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