DRC3R48D420 Datasheet, PDF (4/12 Pages) Crydom Inc., – DRC Series

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SWITCHING FREQUENCY/LOAD CHARACTERISTIC FOR ALL DEVICES
I_L : Load Operating Current
I_R : Rated Full Load Current [FLA]
I_D : Direct-On-Line Inrush Current
t_L : Load Operating Current Time
t_D : Direct-On-Line Inrush Current Time
t_C : Cycle Time
t_On : On Time
t_Off : Off Time
I_D
t_D
t_L
t_On
I_L
I_R
t_Off
t_C
MAXIMUM ALLOWABLE NUMBER OF STARTS PER HOUR DEPENDING ON THE STARTING
TIME t_D AND THE ON PERIOD t_On (as for standard IEC 60947-4-2) FOR ALL DEVICES
Without overload relay (limit given by the contactor itself)
Table 1
• High inrush current (I_D/I_R = 4 to 7.2)
• Full load (I_L/I_R= 1)
Table 2
• High inrush current (I_D/I_R = 4 to 7.2)
• 60% load (I_L/I_R= 0.6)
Table 3
• Low inrush current (I_D/I_R < 4 )
• Full load (I_L/I_R= 1)
Table 4
• Low inrush current (I_D/I_R < 4 )
• 60% load (I_L/I_R= 0.6)
t_On (sec)
t_D (sec) 0.1
1
0.05 5000 2700
10 100
350 35
0.1 3200 1950 350 35
0.2
- 950 320 35
0.4
- 500 280 35
0.8
- 290 160 35
1.6
-
-
110 30
3.2
-
-
75 25
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 6000 3550 350 35
0.1 4100 3000 350 35
0.2
- 1300 350
35
0.4
-
700 320
35
0.8
-
400 320
35
1.6
-
- 125 35
3.2
-
-
90
35
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 7450 3200 350 35
0.1 4050 2100 350 35
0.2
- 1200 350 35
0.4
- 650 320 35
0.8
- 350 280 35
1.6
-
-
180
35
3.2
-
-
90
35
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 9000 3550 350 35
0.1 5400 3550 350 35
0.2
- 1700 350 35
0.4
- 850 350 35
0.8
- 560 350 35
1.6
-
-
240
35
3.2
-
-
180
35
With overload relay (limit given by the overload relay itself)
Table 5
• High inrush current (I_D/I_R = 4 to 7.2)
• Full load (I_L/I_R= 1)
Table 6
• High inrush current (I_D/I_R = 4 to 7.2)
• 60% load (I_L/I_R= 0.6)
t_On (sec)
t_D (sec) 0.1
1
0.05 2200 1650
10 100
330 30
0.1 1500 1000 280 28
0.2
- 550 255 26
0.4
- 250 150 24
0.8
-
80
60 20
1.6
-
-
40 16
3.2
-
-
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 2800 1800 320 35
0.1 1700 1300 310 32
0.2
-
650 290
30
0.4
-
300 200
26
0.8
- 200 90
25
1.6
-
-
65
25
3.2
-
-
-
-
Table 7
• Low inrush current (I_D/I_R < 4 )
• Full load (I_L/I_R= 1)
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 5150 2800 260 35
0.1 2850 1920 250 34
0.2
- 1100 250 33
0.4
-
600 200 32
0.8
-
320 200 30
1.6
-
-
120 25
3.2
-
-
75
20
Table 8
• Low inrush current (I_D/I_R < 4 )
• 60% load (I_L/I_R= 0.6)
t_On (sec)
t_D (sec) 0.1
1
10 100
0.05 5600 3200 350 35
0.1 3200 2700 350 35
0.2
-
1400 350
35
0.4
-
700 350 35
0.8
-
350 280 35
1.6
-
-
170 35
3.2
-
-
80
25
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