Universal Remote Control MX-880Z - SPECS SHEET Informacje Techniczne Strona 171
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™
Masterpact™ NT and NW Universal Power Circuit Breakers
Trip Curves
171
05/2014
© 2000–2014 Schneider Electric
All Rights Reserved
Micrologic 5.0/6.0 A/P/H Trip Unit
Figure 167: Micrologic 5.0/6.0 A/P/H Trip Units: Long-Time Pickup and Delay, Short-Time Pickup, and I
2
t OFF 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
20
30
40
50
60
70
80
90
100
.5
.6
.7
.8
.9
2
3
4
5
6
7
8
9
10
15
20
30
40
50
60
70
80
90
100
200
300
400
500
600
700
800
900
1000
1500
2000
3000
4000
6000
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
.4
.5
.6
.7
.8
.9
1
.15
.2
.3
.4
.5
.6
.7
.8
.9
1
1.5
2
3
4
5
6
7
8
9
10
1.5
2
3
4
5
6
7
8
9
10
15
20
30
40
50
60
70
80
90
100
15
20
30
40
50
60
70
80
90
100
150
200
300
400
500
600
700
800
900
1000
1500
2000
3000
4000
5000
6000
7000
8000
9000
10000
TIME IN SECONDS
CYCLE
2
1
1 CYCLE
150
24
20
.5
24
16
12
8
8
6
4
2.51. 5 2
35
10
4
2
1
16
0.4 OFF
0.3 OFF
0.2 OFF
0.1 OFF
0
LONG-TIME PICKUP
x In = Ir
LONG-TIME
DELAY BANDS
SECONDS AT 6 x Ir
MAXIMUM
UNRESTRAINED
SHORT-TIME
DELAY
SHORT-TIME
DELAY I
2
t OFF
(FIXED-TIME DELAY)
SECONDS AT 10 x Ir
SHORT-TIME
PICKUP
x Ir
Curve No. 0613TC0004
Drawing No. B48095-613-04
Micrologic 5.0/6.0 A/P/H Trip Units
Characteristic Trip Curve No. 613-4
Long-Time Pickup and Delay
Short-Time Pickup and I
2
t OFF 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 the current.
5. For a 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. Overload indicator illuminates at 100%.
- 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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