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Crydom HD4890 Electronic Load Relay HD4890 Datenbogen

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HD4890
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HA / HD48 Series
 
• Ratings from 12A to 125A @ 48-530 VAC  
• SCR output for heavy industrial loads  
• AC or DC control  
• Zero-crossing (resistive loads) or random-fire (inductive loads) output 
PRODUCT SELECTION
Control Voltage
12A
25A
50A
75A
90A
110A
125A
3-32 VDC 
HD4812
HD4825
HD4850
HD4875
HD4890
HD48110
HD48125
90-280 Vrms 
HA4812
HA4825
HA4850
HA4875
HA4890
HA48110
HA48125
18-36 Vrms 
HA4812E
HA4825E
HA4850E
HA4875E
HA4890E
HA48110E
HA48125E
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (1)
Description
Operating Voltage (47-63Hz) [Vrms]
48-530
48-530
48-530
48-530
48-530
48-530
48-530
Transient Overvoltage [Vpk]
1200
1200
1200
1200
1200
1200
1200
Maximum Off-State Leakage Current @ Rated Voltage [mArms]
10
10
10
10
10
10
10
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] (2)
500
500
500
500
500
500
500
Maximum Load Current (3) [Arms]
12
25
50
75
90
110
125
Minimum Load Current [mArms]
40
40
40
40
40
150
150
Maximum Surge Current (16.6ms) [Apk]
140
250
625
1000
1200
1500
1750
Maximum On-State Voltage Drop @ Rated Current [Vpk]
1.7
1.7
1.7
1.7
1.7
1.7
1.7
Thermal Resistance Junction to Case (Rjc) [°C/W]
1.48
1.02
0.63
0.31
0.28
0.25
0.22
Maximum I
2
 t for Fusing (8.3 msec) [A
2
 sec]
81
260
1620
4150
6000
9340
12700
Minimum Power Factor (with Maximum Load)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
 
For Contact information visit our web  
site. 
      www.crydom.com 
©2008 Crydom, Inc.
Specifications  subject to change without notice.