Universal Remote Control MX-880Z - SPECS SHEET Informations techniques Page 172
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Noté. / 5. Basé sur avis des utilisateurs
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All Rights Reserved
Masterpact™ NT and NW Universal Power Circuit Breakers
Trip Curves
172
05/2014
Figure 168: Micrologic 5.0/6.0 A/P/H Trip Units: Short-Time Pickup and I
2
t ON Delay
1.5
1
1
CURRENT IN MULTIPLES OF Ir (Ir = LONG-TIME SETTING x In)
CURRENT IN MULTIPLES OF Ir
(Ir = LONG-TIME SETTING x In)
.5
.6
.7
.8
.9
1.5
2
3
4
5
6
7
8
9
10
15
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30
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80
90
100
.5
.6
.7
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.9
2
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8
9
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7000
8000
9000
5000
10000
.005
.006
.007
.008
.009
.01
.015
.02
.03
.04
.05
.06
.07
.08
.09
.1
.005
.006
.007
.008
.009
.01
.015
.02
.03
.04
.05
.06
.07
.08
.09
.1
.15
.2
.3
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.5
.6
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.8
.9
1
.15
.2
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.5
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.9
1
1.5
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5
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8
9
10
1.5
2
3
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8
9
10
15
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30
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50
60
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90
100
15
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150
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9000
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TIME IN SECONDS
CYCLE
2
1
1 CYCLE
150
2.52
345
68101. 5
0.4 ON
0.4 ON
0.2 ON
0.3 ON
0.1 ON
0.3 ON
0.2 ON
0.1 ON
SHORT-TIME
DELAY I
2
t ON
SECONDS AT 10 x Ir
SHORT-TIME
PICKUP
x Ir
MAXIMUM
UNRESTRAINED
SHORT-TIME
DELAY
Curve No. 0613TC0005
Drawing No. B48095-613-05
Micrologic 5.0/6.0 A/P/H Trip Units
Characteristic Trip Curve No. 613-5
Short-Time Pickup and I
2
t ON Delay
The time-current curve information is to be used for
application and coordination purposes only.
Curves apply from -30°C to +60°C (-22°F to +140°F)
ambient temperature.
NOTE:
1. There is a thermal-imaging effect that can act to
shorten the long-time delay. The thermal-imaging
effect comes into play if a current above the long-time
delay pickup value exists for a time and then is cleared
by the tripping of a downstream device or the circuit
breaker itself. A subsequent overload will cause the
circuit breaker to trip in a shorter time than normal. The
amount of time delay reduction is inverse to the
amount of time that has elapsed since the previous
overload. Approximately twenty minutes is required
between overloads to completely reset thermal-
imaging.
2. The end of the curve is determined by the interrupting
rating of the circuit breaker.
3. With zone-selective interlocking ON, short-time delay
utilized, and no restraining signal, the maximum
unrestrained short-time delay time band applies
regardless of the setting.
4. Total clearing times shown include the response times
of the trip unit, the circuit breaker opening, and the
extinction of current.
5. For withstand circuit breaker, instantaneous can be
turned OFF. See trip curve 613-7 for instantaneous trip
curve. See trip curve 613-10 for instantaneous
override values.
6. See trip curve 613-4 for long-time pickup and delay trip
curve.
- Masterpact™ NT and NW 1
- Section 1— 3
- Codes and Standards 4
- Features and Benefits 5
- Operating Conditions 8
- Masterpact NW Cradle Design 10
- Masterpact™ Circuit Breakers 11
- NT Cradle 12
- NT Drawout Circuit Breaker 12
- Correction Factors 17
- Shipping Weights 18
- Section 2— 19
- Thermal Imaging 20
- Power Supply Information 21
- True RMS Current Sensing 22
- Protection Settings 24
- Micrologic 25
- Threshold Time Delay 28
- Current I 0.5 to 1.0 x I 29
- per phase 20% to 80% x t 29
- 0.3 to 1.0 x I 29
- per phase 10 to 600 s 29
- Long-Time Trip Functions 33
- Short-Time Trip Functions 33
- Instantaneous Trip Function 33
- Ground-Fault Trip Functions 33
- Communication Network 34
- Section 3— 37
- Options for Remote Operation 38
- Remote Operation Accessories 38
- Accessories 39
- Trip Unit Accessories 46
- Cradle Connections 50
- 06133700 51
- 06135503 52
- 06135504 52
- 06134409 52
- 06135502 55
- Test Equipment 57
- Miscellaneous Accessories 61
- Section 4— 63
- Wiring Diagrams 64
- Section 5— 69
- Section 6— 98
- Enclosure Information 100
- All Rights Reserved 101
- Neutral Current Transformers 133
- IEC 3P Fixed Circuit Breakers 140
- IEC 4P Fixed Circuit Breakers 149
- Section 7— 154
- Introduction 155
- Selection 156
- Section 8— 167
- Trip Curves 168
- MASTERPACT 178
- Schneider Electric USA, Inc 180
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