● Microprocessor-controlled.
● Operating voltage 100-450V L-E.
● Rated current 999mA, at 317V AC/50Hz.
● Checks ELCB trip time and trip point (sensitivity).
● Auto off and auto ranging.
● Phase angle selection(0° / 180°).
● Indicates tripping phase angle.
● Impact resistant enclosure.
● Over temperature shut-down.
● Transient protection.
● Suitable for heavy industrial use.
● Fused.
|
Trip current-range |
0-1A at 317V |
|
Trip current- |
1mA |
|
Operating voltage (L-E) |
100 - 450V |
|
Phase angle setting |
0° and 180° selectable |
|
Timer-max |
99.999s |
|
Timer resolution |
1ms |
|
Typical Accuracy |
|
|
Trip-current |
±1%rdg±1mA |
|
Trip-time |
±1%rdg±1dgt |
|
Voltage |
±3%rdg±1dgt |
|
Operating temperature - |
-10°C to +40°C |
|
Dimensions |
170(L) × 120(W) × 95(D)mm |
|
Weight |
Approx. 800g |
|
Power source |
1.5 (AA) × 8 |
|
Safety standard |
EN 61010-1 CAT III 450V |


SEW0075-Automatic ELCB/RCD Tester (Auto Selection)