1-
6
MDP Digital Time Overcurrent Relay
GE Power Management
1 INTRODUCTION
GEK-100682D
1
1.5 TECHNICAL SPECIFICATIONS
ELECTRICAL RATINGS
Nominal frequency:
25/50/60 Hz
Nominal current:
1 or 5 A
Auxiliary Power Supply: 24 to 48 V DC, 48 to 125 V DC / 38.5 to 150 V AC, 110 to 250 V DC, 85 to 240 V AC
BURDEN RATINGS
OVERCURRENT RATINGS
Continuous:
2 x In
Three Second:
50 x In
One Second:
100 x In
CT RATINGS
1 A
34500
5 A
87500
1 A special
13600 (models MDPx6 have a sensitive ground CT)
ENVIRONMENTAL RATINGS
Temperature:
Operating:
–20°C to +65°C (–40°C available upon request)
Storage:
–40°C to +65°C
Relative Humidity:
Up to 95% without condensing
ACCURACY
Operating Value:
5%
Operating Time:
5% or 0.025 seconds, whichever is greater
REPEATABILITY
Operating Value:
1%
Operating Time:
2% or 0.025 seconds, whichever is greater
DIGITAL INPUT
Voltage Range:
38.5 to 250 V AC, 24 to 250 V DC
Frequency Range:
40 to 70 Hz
OUTPUT AND TRIP CONTACTS
Closing:
Contact will close and conduct up to a maximum of 30 A for tripping duty at control voltages up to
300 V DC. The output contact is also rated for Capacitive trip devices.
Interrupting:
50 W resistive with a maximum of 2 A and 300 V DC
Continuous:
5 A, with 300 V DC maximum
Frequency range:
25 to 70 Hz (note: the MDP responds to RMS values of harmonics to 600 Hz)
GROUND
CT
MDP
MODEL
1
1.
Refers to the MDP*
X model, see Section 1.2: ORDER CODES on page 1–2
PHASE
INPUT
BURDEN
POWER SUPPLY
AC/DC
50 Hz AC
60 Hz AC
1 A
6
0.05 to 0.4375 A
<
3 W at all voltages,
quiescent
<
4.5 W at maximum
voltages
4
0.1 to 0.875 A
0.09
Ω
∠
2.4°
0.09
Ω
∠
2.8°
5
0.3 to 2.625 A
5 A
3
0.1 to 0.875 A
1, 7
0.5 to 4.375
0.01
Ω ∠
9.7°
0.01
Ω ∠
11.5°
2
1.5 to 13.125 A
Содержание MDP
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