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Time Control Switch

KG817J LCD Display Digital Programmable Timer

Product Features

● Supply voltage matches load-side voltage (Installation dimensions identical to 2-pole DZ47 devices).

● DIN 35mm standard size for rail mounting.

● Supports setting for 24 ON and OFF time groups, with manual ON/OFF override available at any time.

● Built-in lithium battery maintains operation and display during power failure.

● Configurable for cyclic timing programs. Cycle time adjustable from 1 second to 23 hours, 59 minutes, 59 seconds.

● Weekly automatic time correction ().

● Configurable for countdown programs. Countdown time adjustable from 1 second to 23 hours, 59 minutes, 59 seconds.

● Used for controlling equipment ON/OFF daily or weekly based on preset schedules.

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Parameter

Technical Parameters

● Rated Operational Voltage: AC 210V ~ 240V

● Timing Error: ≤ 1 second/day (at 25°C)

● Rated Current: 10A/16A/25A/30A

● Utilization Category: AC-15

● Minimum Control Time: 1 second

● Display Device: LCD Display

● Lithium Battery Reserve: 5 years

● Power Consumption: < 4 VA

● Control Time Range: 1 second to 168 hours

● Mechanical Endurance: 10⁷ operations

● Humidity: 35% ~ 85% RH

● Operating Temperature: -10°C ~ +40°C

● Electrical Endurance: 10⁵ operations

Electrical Characteristics

Insulation Resistance: 100 MΩ (at DC 500V)

Dielectric Strength: AC 2000V, 50/60Hz, for 1 minute

Between Contacts: AC 1500V, 50/60Hz, for 1 minute

Vibration Resistance: 10-55Hz (1 min cycle), amplitude 0.75mm, 1 hour in each X, Y, Z direction

Vibration Malfunction: 10-55Hz (1 min cycle), amplitude 0.5mm, 10 minutes in each X, Y, Z direction

Clock Adjustment
Current Time Adjustment: Refer to Beijing Time on your mobile phone. Press the red CANCEL/RESUME button 4 times. The lock symbol on the LCD screen will disappear. Press the Hour, Minute, and Week buttons respectively to calibrate the current time and day of the week.
(For first-time use, if the product's LCD screen is off, press and hold the red button for 5 seconds to activate the display).

Timer Setting and Other Function Setting are as Follows:

Step	Button	Key Function Description
1	Press TIMER	Enters the timer setting interface. Displays 1_ON, indicating the setting interface for the first group's ON time. (24 timer groups in total).
2	Press WEEK	Adjusts the day of the week (15 week pattern options available).
3	Press HOUR	Adjusts the hour (24-hour format).
4	Press MINUTE	Adjusts the minute (00-59).
5	Press AUTO/ON-OFF	Adjusts the second (00-59).
6	Press CANCEL/RESUME	Cancels or restores the set timer time.
7	Press TIMER again	Enters timer setting for the OFF time. Displays 1_OFF, indicating the setting interface for the first group's OFF time.
8	Repeat Steps 2-5	Adjust the OFF time's week, hour, minute, and second.
9	Press TIMER again	Set the ON/OFF times for groups 2-24. (Operation method same as steps 2-8 above).
10	Press CLOCK/SAVE	Exits the timer setting interface and returns to the clock display interface.
11	Press HOUR+MINUTE simultaneously	LCD screen turns off, device enters sleep mode, and deletes all timer settings.

Week Pattern Correspondence Table

Chinese	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
English Display	MO	TU	WE	TH	FR	SA	SU

Week Patterns (15 Types)

No.	English Work Pattern	Chinese Description (15 Week Patterns)	No.	English Work Pattern	Same schedule on Monday, Tuesday, and Wednesday
1	MO TU WE TH FR SA SU	Same schedule every day	12	MO TU WE	Same schedule on Thursday, Friday, Saturday
9	MO WE FR	Same schedule on Monday, Wednesday, and Friday	13	TH FR SA	Same schedule Monday through Friday
10	TU TH SA	Same schedule on Tuesday, Thursday, Saturday	14	MO TU WE TH FR	Same schedule Monday through Saturday
11	SA SU	Same schedule on Saturday, Sunday	15	MO TU WE TH FR SA
2-8	MO/TU/WE/TH/FR/SA/SU	Individual days: Monday/Tuesday/Wednesday/Thursday/Friday/Saturday/Sunday

Setting Operating State

Press the CLOCK/SAVE button to enter the Beijing Time display interface. Press the AUTO/ON-OFF button to set the product's current operating state:

ON: Permanently ON; OFF: Permanently OFF; AUTO: Operates automatically according to the set schedule (program runs fully automatically by comparing with current Beijing Time).

Press CLOCK + TIMER buttons simultaneously to enter the Cyclic Timer (Countdown) interface.

Countdown Function Setting

The initial interface shows ----. Press the CLOCK/SAVE button to switch between the and interfaces.

indicates the current countdown-to-ON setting. Press the HOUR, MINUTE, and WEEK buttons to adjust hours, minutes, and seconds respectively (Countdown duration: 1 second to 24 hours, 59 minutes, 59 seconds). Press the red button to cancel incorrect input. Press the AUTO/ON-OFF button to start the countdown. Press the TIMER button to pause and return to the countdown starting state. Press CLOCK + TIMER buttons simultaneously for 5 seconds to exit the Cyclic Timer (Countdown) function.

Weeky Time Error Auto-Adjustment Setting

Press the red button and CLOCK button simultaneously to enter. Displays "7d=00". Press the WEEK button to adjust the error time. "+" indicates the number of seconds automatically added per week. "-" indicates the number of seconds automatically reduced per week. (Range: -30 seconds to +30 seconds). Press CLOCK/SAVE to exit after adjustment.

Other Notes

1. Viewing or Modifying Timer Settings: After unlocking the screen, press the TIMER button to view settings. Press HOUR, MINUTE, WEEK buttons to modify the set times.

2. Manual Control: Press the AUTO/ON-OFF button to switch ON/OFF arbitrarily.

3. If no setting is made for 30 seconds, the program will automatically return to the clock display interface and lock the screen.

4. The display should be turned off during product storage and transportation. (Press HOUR and MINUTE buttons simultaneously for 5 seconds to clear all set times).

5. After confirming the weekly time error, enable the weekly error auto-adjustment function. Note the influence of seasonal temperature changes.

6. Please connect to the product's rated operational voltage and coordinate with Short-Circuit Protective Devices (SCPD). Using an MCB (Miniature Circuit Breaker) upstream is recommended.

7. Do not use in dusty environments, where corrosive gases are present, under direct sunlight, or where it may be exposed to rain.

8. Store and use within the rated voltage and specified temperature/humidity conditions.

Discarded electrical products must not be disposed of with household waste. They should be recycled through specialized channels for resource utilization.

Product Dimensions and Single-Phase AC220V Wiring Diagram

This instruction manual should be kept by the end-user.
This instruction manual should be retained until the product is discarded.
Product specifications are subject to change without notice.
Please read this manual carefully and understand all contents to ensure correct installation, electrical connection, operation, and maintenance.

About Us

Wenzhou Jiajie Electric Co., Ltd.

Wenzhou Jiajie Electric Co., Ltd. is a professional OEM KG817J LCD Display Digital Programmable Timer supplier with 15 years of experience in KG817J LCD Display Digital Programmable Timer, during these years of KG817J LCD Display Digital Programmable Timer processing and manufacturing. We have won the honorary titles of "National High-tech Enterprise", "Zhejiang Science and Technology Small and Medium Enterprise", and "Wenzhou Enterprise Technology Research and Development Center". We have obtained 6 national invention patents, more than 20 utility model patents and design patents, and 6 computer software copyright registrations. We have also passed the ISO9001:2015 quality management system certification.
Our products are widely used in industrial automation control, home appliances, artificial intelligence, smart home, automobiles, machine tools, electricity and electrical, instrumentation, communications, power protection, electric toys, and other related fields.

Certificate of Honor