1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Used as command transmission and status monitoring.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. It is used to short-circuit or disconnect the small current circuit, and issue commands in the control circuit to control electrical units such as contactors and relays.

1. More rain all year round, humidity, salt fog heavier areas.

2. The working environment is humid, there is water vapor place.

3. Elevation of not more than 2000m.

4. The working environment contains sand dust, dust and other non-flammable dust.

5. The work environment contains weak acid, weak base and other corrosive gases.

6. Apply to petroleum, chemical, military, aerospace and other places for lighting, power and control circuit connections.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Connections for lighting, power, control and communication lines.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Connections for lighting, power, control and communication lines.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Connections for lighting, power, control and communication lines.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Connections for lighting, power, control and communication lines.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Operate the electromagnetic appliance remotely or indirectly control the motor in the vicinity of the controlled motor, and observe the operation of the controlled circuit through the electrical instrument and signal light.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Overload, short circuit and protect the controlled circuit and use it as an illumination (power) switch for each branch line.

1. Ambient temperature is : -25℃～55℃;

2. Altitude:≤2000m;

3. It is suitable for use in the corrosion of serious acid, alkali, ammonia, salt and chlorine, water, dust and damp atmospheres;

4. It's used to wiring pipe in petroleum, chemical industry, foodstuff, medicine, military and storage spots.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Mainly used for power distribution for temporary or mobile jobs.

1. Ambient temperature is : -25℃～55℃;

2. Altitude:≤2000m;

3. It is suitable for use in the corrosion of serious acid, alkali, ammonia, salt and chlorine, water, dust and damp atmospheres;

4. It's used to wiring pipe in petroleum, chemical industry, foodstuff, medicine, military and storage spots.

1. Areas with more rain, more humidity and heavier salt spray.

2. The working environment is humid and there is a place for water vapor.

3. The altitude does not exceed 2000m.

4. The working environment contains non-flammable dust such as sand and dust.

5. The working environment contains corrosive gases such as weak acids and weak bases.

6. Applicable to petroleum, chemical, food, pharmaceutical, military, warehousing and other places.

7. Ins and outs the circuit infrequently, and protects the controlled circuit from overload and short circuit.

1. Ambient temperature is : -25℃～55℃;

2. Altitude:≤2000m;

3. It is suitable for use in the corrosion of serious acid, alkali, ammonia, salt and chlorine, water, dust and damp atmospheres;

4. It's used to wiring pipe in petroleum, chemical industry, foodstuff, medicine, military and storage spots.

1. Ambient temperature is : -25℃～55℃;

2. Altitude:≤2000m;

3. It is suitable for use in the corrosion of serious acid, alkali, ammonia, salt and chlorine, water, dust and damp atmospheres;

4. It's used to wiring pipe in petroleum, chemical industry, foodstuff, medicine, military and storage spots.