Panel Mount
Datasheet
Series 1T 480 VAC
• Ratings from 25 A to 90 A @ 48-530 VAC
• SCR output for heavy industrial loads
• Zero voltage or instantaneous turn-on outputs
• AC or DC control
• Direct Bond Copper substrate
• Direct Power Lead Frame
• UL/CSA/VDE Approved, CE Compliant to EN60950-1 • Epoxy Free Design
• Improved SEMS screw and washer
• Redesigned housing with anti-rotation barriers
For Generation 3 datasheet click here
PRODUCT SELECTION
Control Voltage
3-32 VDC
25 A
D4825T
A4825T
50 A
D4850T
A4850T
75 A
D4875T
A4875T
90 A
D4890T
A4890T
90-280 VAC
AVAILABLE OPTIONS
Rated Load Current
25: 25 Amps
Control Voltage
A: 90-280 VAC
D: 3-32 VDC
50: 50 Amps
75: 75 Amps
90: 90 Amps
Thermal Pad
Blank: Not Included
H: Included
Switching Type
Blank: Zero Voltage Turn-On
-10: Instantaneous Turn-On (3)
A
K
48
25
H
T
-10
Operating
Voltage
48: 48-530 VAC
Termination
Trigger Circuit
Blank: Screw
T: Phototransistor
F: Quick Connect (1)
(Up to 50 Amps)
K: Hex standoffs (2)
Required for valid part number
For options only and not required for valid part number
* Not all part number combinations are available.
Contact Crydom Technical support for information on
the availability of a specific part number.
OUTPUT SPECIFICATIONS (4)
Description
Operating Voltage (47-63Hz) [Vrms]
Transient Overvoltage [Vpk]
Maximum Off-State Leakage Current @ Rated Voltage [mArms]
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec]
Maximum Load Current [Arms] (2)(5)
25 A
48-530
1200
10
500
25
50 A
48-530
1200
10
500
50
75 A
48-530
1200
10
500
75
90 A
48-530
1200
10
500
90
Minimum Load Current [mArms]
40
40
40
40
Maximum 1 Cycle Surge Current (50/60Hz) [Apk]
Maximum On-State Voltage Drop @ Rated Current [Vrms] (6)
Thermal Resistance Junction to Case (Rjc) [°C/W]
Maximum 1/2 Cycle I² t for Fusing (50/60Hz) [A² sec]
Minimum Power Factor (at Maximum Load)
239/250
1.15
0.8
285/259
0.5
597/625
1.15
0.45
1779/1621
0.5
954/1000
1.15
0.3
4555/4150
0.5
1145/1200
1.15
0.27
6560/5976
0.5
(4)
INPUT SPECIFICATIONS
Description
D48xxT
3-32 VDC
3.0 VDC (7)
1.0 VDC
2.0 mA
2.5 mA
A48xxT
Control Voltage Range
90-280 Vrms
90 Vrms
10 Vrms
2.0 mA
4.9 mA
60K
Minimum Turn-On Voltage
Must Turn-Off Voltage
Minimum Input Current
Maximum Input Current
Nominal Input Impedance
Maximum Turn-On Time [msec]
Maximum Turn-Off Time [msec]
Current Regulated
1/2 Cycle (8)
1/2 Cycle
10
40
Do not forget to visit us at: www.crydom.com
Copyright © 2016 Crydom Inc. Specifications subject to change without notice.
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