Totally Sealed Small Light High Voltage DC Contactor with Long Life and Large Current Tolerance
Applications of contactor:
Specifications:
| Item | Technical Parameter |
| Contact arrangement (main) | SPST-NO |
| Rated operating voltage | 12-750VDC/VAC |
| Rated carrying current | 350A (1/0 cable – 53mm2 cross-section area) |
| Max carrying current (1 time) | 1 second, 2000A; 60 seconds, 600A; 600 seconds, 400A |
| Switching capacity | see figure 1, power switching capacity for resistive load |
| Max cut-off current | 2000A,320VDC,one time |
| Contact resistance Max rated carry current Typical 350A |
0.4mΩ 0.3mΩ |
| Mechanical life | 300,000 cycles |
| Operate time, 25℃ Close (includes bounce) max Close (include bounce) typical Bounce on close, max Release time (includes arc time at max. break current) | 30ms 13ms 7ms 12ms |
| Contact arrangement (auxiliary) | SPST-NO (the auxiliary contact is mechanically linked to the main power contacts) |
| Auxiliary contact rating | 2A,24VDC |
| Minimum current and voltage for auxiliary contact | 100mA,8V |
| Insulation resistance at 500VDC 500VDC | 100mΩ (50mΩafter life test) |
| Dielectric at sea level (leakage <1mA) | 2200VRMS |
| Shock (saw tooth or 1/2 sine, 11ms) | 20G’s |
| Vibration, sinusoidal (10-2000 Hz peak) | 20G’s |
| Operating ambient temp range | -55~85℃ |
| Storage ambient temp range | -55~125℃ |
| Weight, typical | 0.38KG (without nuts/washers) |

Features of contactor:

