Isolating Switch

YJFT-125 4P
Product IntroductionWIFI intelligent reclosing protector is suitable for remote control and multi person control in AC 50HZ and rated 220V power lines. It can be set to turn on and off according to Beijing time and is suitable for remote intelligent control of electrical equipment in various environments, such as homes, schools, enterprises, municipal engineering,…
product overview
The core purpose of a manual transfer switch is to achieve power conversion under manual operation, especially to convert power to AC power. Its most common and critical application scenario is to effectively transfer power from the backup power source to the load in the event of a utility failure, ensuring that the load can still obtain power supply normally in the event of a main power failure.
As long as the installation is correct, the manual transfer switch can provide users with a convenient and simple way to deal with power failure problems. When one of the power sources (such as the commonly used main power source) fails, it can easily transfer the load to the backup power source, ensuring that the related equipment or power system can continue to operate stably, avoiding various inconveniences and losses caused by power interruption, and playing an important role in ensuring the continuity of power supply.
It is mainly suitable for places that have certain requirements for power supply continuity and are equipped with backup power sources, such as hospitals, data centers, important industrial production workshops, etc.
Model Meaning

Product Features
1. The high voltage range of the manual transfer switch is 1-600VAC
2. Sufficient durability has been ensured through testing in accordance with the durability requirements specification of IEC 60947-3 standard.
3. The manual switch is operated by a handle directly fixed to the switch. The size of 16 to 63 amperes can be fastened onto DIN rails, and the front is installed in a 45mm cut distribution box.
4. Clearly mark the location of the power supply with indicator lights to easily understand the power supply being used.
5. Label window for clear labeling of power sources.
Main technical parameters
| rated voltage | 230/400V~ |
| Rated current | 63A/125A |
| Rated frequency | 50/60Hz |
| number of poles | 1P, 2P, 3P, 4P |
| pilot lamp | I-0-II (I represents main power on, 0 represents power off, II represents backup) Power on) I=red, O=green, II=yellow |
| short-circuit current | 63A:1200A/125A:3000A |
| mechanical life | 10000 cycles |
| protection grade | IP20 |
| operation temperature | -5℃~55℃ |
| Cable size | 63A maximum 10mm ²/125A maximum 50mm ² |
| install | DIN35mm guide rail |
Normal working conditions
1. The ambient air temperature shall not exceed+55 ℃, not be lower than -5 ℃, and the average temperature value within 24 hours shall not exceed+35 ° C.
2. The altitude of the installation location shall not exceed 2000m.
3. Humidity: When the maximum temperature is+55 ℃, the relative humidity of the air should not exceed 95%. Special measures should be taken for occasional condensation caused by temperature changes.
4. The surrounding environmental pollution level is level 3,
5. The switch should be installed in a place without significant shaking, impact vibration, and no rain or snow invasion. At the same time, the installation location should be free of explosive hazardous media, and there should be no gas or dust in the medium that can corrode metals and damage insulation.
Product appearance and wiring diagram

The ordering unit must specify the form and characteristics of the switch, voltage level, current level, number of poles, operation mode and quantity, etc. For special orders, please consult our technical department.
For example: YJFT-63, 3P, 63A 500 units;
YJFT-125, 4P, 125A 500 units.

Yueqing Yijin Electronics Co., Ltd.






