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High-Voltage Direct Current (HVDC) Contactor
ACT-1H¹OOHE
FEATURES
- A set of bridge-type normally open contacts, which are closed once energized;
- Contacts are non-polar, no need to distinguish current direction during use;
- Ceramic-sealed structure, no risk of arc leakage, ensuring no fire or explosion;
- The contact system adopts a fully sealed structure to prevent oxidation of the contacts, ensuring low and stable contact resistance;
- Long-term load capacity of 100A at high temperature (85°C)and low air pressure (2.5 kPa);
- Breaking capacity of 1000A at 270Vdc.
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DESCRIPTION
It can be used to switch DC circuits, motors, power supplies, etc., and is applied in the aerospace and aviation sectors.
SPECIFICATIONS
| Operating Environment Conditions | |||
| Temperature Range | -55℃ to 85℃ | Relative Humidity | Up to 98%at 40℃ |
| Low Air Pressure | 2.5 kPa(25000m) | Shock | 20g,11ms |
| Sinusoidal Vibration | 147 m/s2,10 Hz-2000 Hz | Acceleration | 147m/s² |
| Random Vibration | Functional:20(m/s?2/Hz,10 Hz~2000 Hz;Endurance:20(m/s²)?/Hz,10 Hz~2000 Hz,48 h | ||
| Main Technical Specifications | ||||
| Coil Power Consumption | ≤8 W | Insulation Resistance | Before Life Test:≥1000 MQ After Life Test:≥100 MQ | |
| Contact Voltage Drop | Initial Values100mV After Life Test≤150 mV | Dielectric Strengtr (Vr.m.s..50Hz) | At Normal Atmospheric Pressure | Between Open Main Contacts≥2000 Others≥800 |
| At Low Air Pressure | ≥800 | |||
| Time Parameters | Action Time:≤20ms Release Time:≤10ms | Weight | Approximately 180g | |
| Contact Load and Life Cycle | Contacts (non-polar) Resistive,100 A,270 Vd.c..2×10⁴times Resistive,100 A,540 Vd.c..1×10-times Resistive,100 A,750 Vd.c..0.8x104times | Time-limited Current Relay Characteristics | 200 A.90 s 300 A.30 s 000 A,0.6 s | |
| Breaking Capacity | Resistive,1000 A,270 Vd.c.,2times | Mechanical Life | 100.000 cycles | |
