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Starting protective relay with thermal protection 4TM 1/6HP, ~220 V
Purpose: The starting protective relay is designed to start and protect the refrigerator motor. The device ensures a safe motor start and prevents overheating through an integrated thermal protection mechanism.
Main specifications:
- Voltage: ~220 V, frequency 50-60 Hz
- Connection: 1 terminal 6.3 mm + round "female" contact
- Dimensions: 29x31.5x22.5 mm (±1 mm)
- Type: thermistor relay
- Thermal protection: 4TM 1/6HP
- Manufacturer: China
Operating principle:
The starting protective relay performs two main functions:
- Motor start: The relay activates the motor's start winding, allowing the motor to quickly reach operational speed. After this, the start winding is automatically disconnected.
- Overheating protection: The built-in thermal protection interrupts the circuit in case of motor overheating, preventing damage.
Advantages:
- Effective starting of the refrigerator motor;
- Protection against overloads and overheating;
- Compact size and universal connection.
How to choose the right part:
When selecting a starting protective relay, pay attention to the following points:
- Voltage and frequency: Ensure that the relay matches your refrigerator's specifications (220 V, 50-60 Hz).
- Connection type: Check that the relay connectors are compatible with your device model.
- Dimensions: Ensure that the relay's size is suitable for installation in your refrigerator.
Causes of failure and damage prevention:
The most common causes of damage to the starting protective relay include:
- Motor overheating due to overload;
- Incorrect connection;
- Component wear due to prolonged use.
To prevent breakdowns, it is recommended to:
- Regularly check the condition of the electric motor;
- Ensure proper connection of the relay;
- Avoid overloading the refrigerator beyond the allowable load.
Replacement recommendations and installation difficulty:
Replacing the starting protective relay can be done in a few simple steps:
- Disconnect the refrigerator from the power supply.
- Remove the back panel. This will provide access to the relay.
- Disconnect the old relay. Note the order of the wire connections.
- Install the new relay. Ensure that all connections are made correctly.
- Close the panel and reconnect the refrigerator to the power supply.
Difficulty rating: Replacing the relay has a medium level of difficulty and can be done independently with basic electrical skills. However, for safety and proper operation, it is recommended to consult a qualified specialist.
Important information:
Before installing the relay, ensure that it matches your motor's specifications. It is recommended to have the installation performed by a qualified specialist.