Toshiba GR-200 Series Instruction Manual page 93

(TMS) for the required operate time. The value of TMS is set for a characteristic: for example,
the user can set the TMS value using the setting [SEF1-TMS-IEC] (incidentally, the default
value of the TMS is 1.00). The other TMSs are also available by the [SEF1-TMS-UK], [SEF1-
TMS-IEEE], [SEF1-TMS-US] and [SEF1-TMS-ORG].
Curve type
(IEC 60255-151)
A
B
C
-
D
E
F
-
-
Figure 2.4-3 IDMT Characteristics curves
Operate time of DT
(iv)
The operate time in the DT is a constant.
Table 2.4-1 Constants for IDMT
Curve Description
IEC Normal Inverse (IEC-NI)
IEC Very Inverse (IEC-VI)
IEC Extremely Inverse (IEC-EI)
UK Long Time Inverse (UK-LTI)
IEEE Moderately Inverse (IEEE-MI)
IEEE Very Inverse (IEEE-VI)
IEEE Extremely Inverse (IEEE-EI)
US CO8 inverse (US-CO8)
US CO2 short time inverse (US-CO2)
- 74 -
6F2T0200 (0.15)
k α
0.14 0.02
13.5 1
80 2
120 1
0.0515 0.02 0.114
19.61 2 0.491
28.2 2 0.1217
5.95 2
0.02394 0.02 0.01694
GRE200 (1,2)
c
0
0
0
0
0.18