Overview
The LA38 Series Button is suitable for electromagnetic starters, contactors, relays and other electrical circuits with AC 50 Hz, voltage up to 500 V and DC voltage up to 220 V for remote control.
The product complies with GB/T 14048.5.
Normal working conditions
1. Ambient air temperature: -5°C–+40°C, and the average temperature within 24 hours does not exceed +35°C.
2. Altitude: Not higher than 2,000 m.
3. Atmospheric conditions: The relative atmospheric humidity does not exceed 50% when the ambient air temperature is +40°C, and a higher relative humidity is allowed at a lower temperature, e.g. 90% humidity at 20°C. Special measures shall be taken for occasional condensation due to the temperature change.
4. Contamination grade: Grade 3.
5. Installation category: II.
6. Protection degree: IP40 and IP65.
7. Use category: AC-15 and DC-13.
8. The installation place shall have no significant shaking, impact or vibration.
9. The installation medium shall have no explosion risks and no enough gas or dust to corrode metals and destroy insulation.
10. The installation place shall be protected from rain and snow.
Model description
Technical parameters
1. Rated insulation voltage Ui: AC 500 V;
2. Conventional thermal current Ith:10 A.
3. Rated working voltage Ue and rated working current Ie: AC-15: Ue (V) 380, Ie (A) 1.9; DC-13: Ue (V) 220, Ie (A) 0.31.
4. Mechanical life and electrical life:
Mechanical life: Mushroom button: 3,000,000 times operations; Button with light: 1,000,000 times operations; Knob, key button, self-locking button: 100,000 times operations;
Electrical life: Knob, key button, self-locking button: 100,000 times operations; Others: 600,000 times operations (AC) and 300,000 times (DC).
