EVC 300A Eaton Bussmann High Voltage DC Contactor

Main contact

Contact form（main）

Single-pole single-throw – Normally Open

Rated voltage

12-750VDC

Rated current

300A

Short-time withstand current

3,600 sec. 450A，1,200 sec. 600A，

60 sec.900A

(see 5, curve)

Operation time，23℃

Closing time

≤ 30ms

Release time

≤ 10ms

Min. continuity load

1A 12VDC

Max breaking current

2,500A 450VDC 1 time

Contact resistance（Under rated current, initial value）

＜0.4mΩ

Electrical performance

300A 450VDC 3,000 times

Electrical life

300A 750VDC 1,000 times

Switch off overload

400A 800VDC 20 times

Insulation resistance

＞1,000MΩ（1,000VDC）

（After the life test: 50 MΩ）

Dielectric withstand voltage （ Between contacts, between

contacts and coils）

2,500VAC，1 min.（leakage current ≤ 1mA）

Mechanical performance

Shock resistance-Malfunction

Half sine wave，11ms，196m/s²

Shock resistance-Destruction

Half sine wave，6ms，490m/s²

Random vibration

10-2,000Hz，57.9m/s²

Mechanical life

200,000 times

Weight

About 750g

Environmental requirements

Ambient operating temperature range

-40℃～+85℃

Humidity range

5%～95%RH

Coil series number

S

T

Coil operating voltage

12VDC

24VDC

Coil voltage（Max.）

16VDC

32VDC

Operating voltage，25°C（Max.）

9VDC

18VDC

Release voltage，25°C（Min.）

1.2VDC

2.4VDC

Max. input inrush current（100ms）

2.8A

1.4A

Maintain operating current（25°C）

0.36A

0.18A

Coil power loss（25°C）

Starting power

35W

35W

Maintain power

4.5W

4.5W

Pick up voltage，85℃（Max）

9.6V

19.2V