GE P442 - Page 617

Hardware / Software
-Version P44x/EN VH/Hb
6
MiCOM P40 Agile P442, P444
(VC) 16-
13
Relay type: P441, P442, P444
Software
version
Hardware
version
Model
number
Date of
issue
Full Description of changes S1 Compatibility
Branch D
3.x : Idem D2.6 with new features (cells and DDB)
D3.0
D3.1
D3.2
K
for P442
for P444
50
06/2009
The following features are added:
- New undercurrent protection features,
- New Frequency protection features,
- DDB with 2047 cells
- Undervoltage protection: stages 3&4 (V<3, V<4) added,
- Overvoltage protection: stages 3&4 (V>3, V>4) added,
- new autoreclose blocking parameters
V2.14 + Patch
V3.0 (S1 Studio)
D3.3_A
K
for P442
for P444
50
06/2009 New brand: Alstom Grid