|
Thermal overload unit
|
| Setting of full load current Iq |
 |
see ordering information |
| Resolution of full load setting |
|
2 % |
| Setting of maximum stall time at 6 times ln, t6x |
|
2...30 s |
Cooling time constant at zero current (standstill)
|
|
4 x heating time constant |
| Undercurrent unit |
| Operating value |
|
12...55 % of Iq |
| Operating time |
|
10 s |
Resetting time
|
|
1 s |
| Phase unbalance unit |
| Basic sensitivity, fully stabilized to phase current levels |
|
|
| between In and 4 x ln, typical value |
|
30 % |
| Operating time at pickup level |
|
30 s |
| Operating time at full unbalance |
|
6 s |
Resetting time
|
|
1 s |
| Earth fault unit 1) |
| Zero-sequence / residual 2) current setting I0 |
|
0.2...0.6 x l0n |
| Operating time |
|
1 s |
Resetting time
|
|
0.2 s |
| Auxiliary power supply U aux |
| Supply voltage on standard relay |
SPEM_B_ |
220...240 V AC |
| (operation range 0.85 x U min ...1.10 x U max) |
SPEM_C_ |
110...120 V AC |
Power consumption
|
|
3 VA |
| Output contact ratings |
| Rated voltage, make and break |
|
230 V AC |
| Make and carry for 1 s |
|
30 A |
| Continuous load |
|
5:00 AM |
Breaking capacity
|
|
5 A AC |
| Environmental conditions |
| Specified ambient service temperature |
|
- 10° ...+ 55° C |
| Transport and storage temperature range |
|
- 40° ...+ 70° C |
|
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|
|
|
|
| 1) In types SPEM 40_ and SPEM 50_. |
| 2) Rated residual current in types SPEM 50_ is 1 A (with continuous withstand capability 2A and thermal withstand for 1 second 40 A). |
|
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