At present, the general protection and household protection devices in the power grid have been basically popularized. Due to property rights reasons, it is impossible for the user's end of pipe renovation to be very thorough. As intermediate protection is not installed, it often causes frequent misoperation of the overall protection, seriously affecting the quality of power supply. How to improve the reliability of power supply and strive for a 100% operation rate of the overall insurance has become an urgent problem to be solved.

Tianmu brand TML/250.2P residual current action protector (referred to as leakage protector) is a patented product developed by our company in recent years to adapt to intermediate protection. It has adjustable leakage action current and overcurrent protection. And it has an automatic reclosing function. This product is used to provide indirect contact protection against personal electric shock hazards, as well as to protect against grounding faults, overcurrent, short circuit, overvoltage, etc. in the circuit or electricity.

Product features:

1Realize no voltage operation, no power consumption during operation, energy-saving and lightning protection.

2It has automatic reclosing function and is convenient for operation management.

3. Digital display of load current, leakage current, and voltage.

4The leakage action value tracks the automatic adjustment setting of the circuit leakage.

5Can query the records of previous fault trips.

6Can be equipped with communication interfaces to achieve remote control and telemetry functions. (Optional)

7Can control settings and adjust the size of user load current.

8Distinguish between handling surges (similar to animal electric shock waveforms) and circuit leakage functions. (Optional)

Technical parameters:

◎ Rated voltage:220V

◎ Rated current:63A、100A、160A、200A、250Aadjustable

◎ Rated frequency:50HZ

◎ Rated residual operating current:50、100、200、 （500mAOptional)

◎ Surge action current: ≤50mA

◎ Overvoltage and undervoltage action: Adjustable

◎ Rated breaking time: 0.2SAdjustable up to 0.3S

◎ Delay reclosing time:20s～60sAutomatic reclosing once

◎ Rated auxiliary voltage: 220V

◎ Classification of Action Characteristics: ACtype

◎ Classification of Breaking Time: Stype

Operating instructions:

1.work environment

◎Surrounding air temperature: -10 ℃～60℃

◎Humidity: When the maximum temperature is+40 ℃, the relative humidity of the air should not exceed 50%, and it is allowed to reach 90% at 20 ℃; And take the exam

Occasionally, condensation occurs on the surface of the product due to temperature changes.

◎Altitude not exceeding: 2000 meters

◎Pollution level: Level 3

◎Installation category: III

◎The distortion of the power sine wave is less than5%

◎The external magnetic field of the installation site shall not exceed 5 times the geomagnetic field in any direction, and there shall be no explosive or corrosive gases; not have

Snow invasion; Dry and ventilated.

2.Usage

1. After installing the protector, first check if the wiring is correct. After confirming that there are no errors, turn on the protector power switch, close the protector, and the digital display will show the number.

2.Parameter display:

2.1 Under normal closing conditions, the digital display alternately shows the leakage current value(L)AC voltage(U)Phase current(A).

2.2Press the [Function] key, and the digital display will show the following parameters in sequence:

d200——Indicating a leakage current value of 200mAfiles

F200——Indicate the load current control value200A

E005——Indicating the cumulative number of trips5order

H003——Indicating the cumulative number of tripping and locking events3order

R=02——Indicate the interruption time0.2S

7b=0——Indicate surge protection settings

Ad=1——Indicate communication address settings

dy=0——Indicating overvoltage and undervoltage settings

3.Trip display:

3.1Power shutdown tripping: When the power supply is normal, place the switch in the "off" position to cut off the power and trip. When there is no power supply voltage on the upper pile, the switch needs to be placed in the "off" position. When the power supply on the upper pile is normal, this protector will automatically disconnect immediately.

3.2Leakage fault tripping: The digital tube of the protector flashes to display fault information, and at the same time, the 'Leakage Fault' light of the protector lights up, and the 'Trip Indicator' light flashes.Example: such asDigital tube flashingIf L258 is displayed, it indicates that this trip is a leakage trip with a fault current of 258mA

3.3Overvoltage and undervoltage tripping:protectNumber of device tripsThe code tube flashes to display the voltage value, and at the same time, the 'trip indicator' light is on,After the power supply voltage returns to normal, the protector automatically closes and supplies power.

3.4Load control trip:protectNumber of device tripsThe code tube flashes to display the load current value, while the 'overcurrent fault' light is on and the 'trip indicator' light is on.

3.5Surge tripping: protectionNumber of device tripsThe code tube flashes alternately to display fault information,At the same time, the 'leakage fault' light of the protector is on, and the 'trip indicator' light is flashing.Example: such asThe digital tube flashes alternatelyIf - Cd - and L043 are displayed, it indicates that this trip is a surge trip with a fault current of 43mA.

4.Parameter settings:

4.1 Leakage action value setting: According to the magnitude of the leakage current in the circuit, the leakage action value level of the protector can be manually set, or the leakage action value can be automatically set to 50mA、 one hundredmA、 two00mAThe file. Continuously press the [Function] button to display d200 on the digital display of the protector, and then press the [Settings] button to cycle the leakage action value range from 200mA → 100mA → 50mA → 100mA; Press and hold the 【 Settings 】 button for 3 seconds to enter the automatic gear setting. At this time, the digital display shows that the last digit of d200, 0, is flashing, indicating that it has entered the automatic tracking circuit leakage and automatic adjustment action value state. At this time, the sensitivity of the protector's action is relatively high. After being in automatic mode, press the 【 Settings 】 key to enter the fixed mode. If the gear is fixed, the power protection device has a gear memory function when turned off and turned on after power failure, and the gear remains the same as the original gear; If the automatic gear is turned off and then turned on, and the power is cut off, the power protection device will automatically set the gear based on the leakage current detection and analysis after a period of time.

4.2Leakage alarm function setting: Use this in situations where power outages are not allowed or where significant losses occur after a power outageprotectWhen using the tool, hold it down【 Settings 】Key agreement10In seconds, the alarm function is activated, and the 'Alarm Enable' light is on. At this time, the leakage exceeds the limit onlyLeakage faultThe indicator light is on and does not trip. After being in an alarm state, press againThe 【 Settings 】 key is used to[Alarm enabled] The light goes off and the leakage tripping function is restored.(Note)The use of this function must be approved by the power department, and activation requires entering a password

4.3Load current control value setting: continuously pressPress the [Function] key to display FXXX on the digital display, where XXX represents the load current control value (such as the factory default maximum value for each model for F100 and F200). At this point, first press and hold the [Function] key, then press the [Settings] key to set the load control current value. The load current control value will decrease sequentially with each press. If the load current exceeds the set current value,protectThe device tripped after a delay of some time. (Note: The controllable load current adjustment range for rated current 100A is 20-100 10A per level; the controllable load current adjustment range for rated current 160A-250A is 50-250 20A per level).(Note this function)Startup requires operation and password input)

4.4Breaking time setting:Press continuously[Function] key, make the digital display show asR=02.Then press and hold the 【 Function 】 key first, and then press the 【 Settings 】 key to setR=03Change the interruption time to 0.3SFactory default is0.2S）

4.5Surge protection setting: The surge protection function is turned off by default at the factory and can be turned on when needed. Press continuouslyPress the [Function] key to display the digital display as 7b=0, then hold down the [Function] key first, and then press the [Settings] key to set 7b=1, and the surge function will be turned on. To cancel, repeat the above steps.

4.6Communication address setting:Press continuously[Function] key, make the digital display show asAd=1(Indicating)1Number protector communication connection). If several protectors are connected, it is necessary toFirst press and hold the [Function] key, then press the [Settings] key to setAd=2、Ad=3, can be set toAd=9.

4.7Overvoltage and undervoltage settings:Press continuously[Function] key, make the digital display show asdy=0，Then press and hold the 【 Function 】 key first, and then press the 【 Settings 】 key to setdy=1、dy=2、dy=3(Setting)0Indicates that the undervoltage function has been cancelled and set1Indicating overvoltage260Vundervoltage120V; Setting2Indicating overvoltage270Vundervoltage140V; Setting3Indicating overvoltage280Vundervoltage160V. (Note this function)Startup requires operation and password input)

4.8Password setting:Press and hold the 【 Settings 】 keymake an appointment10second,The digital display shows asP_{_ _ _} , indicating that the user needs to enter a 3-digit password. At this time, press the 【 Settings 】 button, and the corresponding flashing digits will change from 1 to 9. After setting the first password, press and hold the 【 Set 】 button until the second digit digital tube flashes, then press the 【 Set 】 button to set it; After setting the second password, hold down the 【 Set 】 button until the third digit digital tube flashes, and then press the 【 Set 】 button to set it; After setting the password, press the 【 Function 】 key to confirm the input. If the password is incorrect, it will be displayedPER R, indicating a password error. Press now[Function] key returns. If you want to enter the password again, repeat the above steps. If the password is correct, the alarm or overvoltage/undervoltage setting function can be activated.

4.9Trip record query:Press continuouslyPress the [Function] key to display EXXX on the digital display (XX is the number of trips), then hold down the [Function] key for 3 seconds to display E=XX on the digital display, and then press the [Settings] key to display the reason for the most recent trip. To view the next item, first press the [Function] key and then press the [Settings] key; To exit, press and hold the 【 Function 】 key for 3 seconds to make the digital display LXXX display the status of various parameters normally.

6、 Precautions

1The product has no effect on electric shock and leakage between the protected phase and phase, and between the phase and neutral wire.

2、protectThe lower side of the device shall not be grounded and shall not be mixed with other circuits.

3When the product is in normal use, it should be tested and tripped at least once a month.

4After the alarm function is activated, if the leakage exceeds the limit, only an alarm will be triggered without tripping.

5Unauthorized opening of this protector is prohibited. If the product seal is damaged, our factory will not be responsible for the quality of the product.