Panel Mount
Datasheet
Series 1 480 VAC
Ratings from 25A to 90A @ 48-530 VAC AC or DC control
SCR output for heavy industrial loads Direct bond copper substrate
Zero voltage or instantaneous turn-on outputs EMC compliant to Level 3
UL/CSA/VDE Approved, CE Compliant to EN60950-1 Direct power lead frame
Improved SEMS screw and washer Epoxy free design
Redesigned housing with anti-rotation barriers
For Generation 3 datasheet click here
PRODUCT SELECTION
Control Voltage 25A 50A 75A 90A
4-32 VDC D4825 D4850 D4875 D4890
90-280 VAC A4825 A4850 A4875 A4890
AVAILABLE OPTIONS
Termination
Blank: Screw
Control Voltage F: Quick Connect (1) Thermal Pad
A: 90-280 VAC Blank: Not Included
(Up to 50 Amps)
D: 4-32 VDC K: Hex standoffs (2) H: Included
A 48 25 K S H -10
Operating Rated Load Current Snubber Switching Type
Blank: Zero Voltage Turn-On
Voltage 25: 25 Amps Blank: Not Included
48: 48-530 VAC 50: 50 Amps S: Included -10: Instantaneous Turn-On (3)
75: 75 Amps
90: 90 Amps
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.
(4)
OUTPUT SPECIFICATIONS
Description 25A 50A 75A 90A
Operating Voltage (47-440Hz) [Vrms] (5) 48-530 48-530 48-530 48-530
Transient Overvoltage [Vpk] 800 800 800 800
Maximum Off-State Leakage Current @ Rated Voltage [mArms] (6) 1 1 1 1
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/sec] 500 500 500 500
Maximum Load Current [Arms] (2)(7) 25 50 75 90
Minimum Load Current [mArms] 150 150 150 150
Maximum 1 Cycle Surge Current (50/60Hz) [Apk] 239/250 597/625 954/1000 1145/1200
Maximum On-State Voltage Drop @ Rated Current [Vrms] 1.15 1.15 1.15 1.15
Thermal Resistance Junction to Case (Rjc) [C/W] 0.8 0.45 0.3 0.27
Maximum 1/2 Cycle I t for Fusing (50/60Hz) [A sec] 285/259 1770/1621 4555/4150 6560/5976
Minimum Power Factor (at Maximum Load) 0.5 0.5 0.5 0.5
(4)
INPUT SPECIFICATIONS
Description D48xx A48xx
Control Voltage Range 4-32 VDC 90-280 Vrms (60Hz)
Maximum Reverse Voltage -32 VDC -
Minimum Turn-On Voltage 4.0 VDC (8) 90 Vrms
Must Turn-Off Voltage 1.0 VDC 10 Vrms
Minimum Input Current 7.0 mA 5.0 mA
Maximum Input Current 12 mA 10 mA
Nominal Input Impedance Current Regulated Current Regulated
Maximum Turn-On Time [msec] 1/2 Cycle (9) 20
Maximum Turn-Off Time [msec] 1/2 Cycle 30
Do not forget to visit us at: www.crydom.com
Copyright 2016 Crydom Inc. Specifications subject to change without notice.Panel Mount
Datasheet
(4)
GENERAL SPECIFICATIONS
Description Parameters
Dielectric Strength, Input/Output/Base (50/60Hz) 4000 Vrms
9
Minimum Insulation Resistance (@ 500 VDC)
10 Ohm
Maximum Capacitance, Input/Output 8 pF
Ambient Operating Temperature Range -40 to 80 C
Ambient Storage Temperature Range -40 to 125 C
Weight (typical) 2.6 oz (74.9 g)
Housing Material 94 V-0
Baseplate Material Aluminum
Input Terminal Screw Torque Range (in-lb/Nm) 13-15 /1.5-1.7
Load Terminal Screw Torque Range (in-lb/Nm) 18-20 / 2.0-2.2
SSR Mounting Screw Torque Range (in-lb/Nm) 18-20 / 2.0-2.2
Input/Load Terminal Screw Torque Range (in-lb/Nm) (2) w/K option 8-10 / 0.9-1.13
Input/Output Terminal Screw Thread Size #6-32 UNC / #8-32 UNC
Humidity per IEC60068-2-78 93% non-condensing
11,641,553 hours (1,328 years)
MTBF (Mean Time Between Failures) at 40C ambient temperature (10)
7,210,376 hours (823 years)
MTBF (Mean Time Between Failures) at 60C ambient temperature (10)
WIRING DIAGRAM
AC
Input Current vs Input Voltage
Recommended Wire Sizes
V
Standard Regulated DC Input
Wire Size Wire Pull-Out
25
Terminals
(Solid / Stranded) Strength (lb)[N]
(11)
Load
20
2
24 AWG (0.2 mm ) / 0.2 [minimum] 10 [44.5]
Input
1 ( ) 2 ( )
15
2
2 x 12 AWG (3.3 mm ) / 3.3 [maximum]
90 [400]
2
10
20 AWG (0.5 mm ) / 0.518 [minimum] 30 [133]
2
Output
2 2 x 10 AWG (5.3 mm ) / 5.3 110 [490] 5
1 OUTPUT
S OL I D S T A T E R EL A Y
2
2 x 8 AWG (8.4 mm ) / 8.4 [maximum] 90 [400]
0
0 5 10 15 20 25 30
4
INPUT 3
DC Input Voltage
4 ( / ) 3 (+ / )
EQUIVALENT CIRCUIT BLOCK DIAGRAMS
Diagram: Series 1 DC Diagram: Series 1 AC
-DC 4 1 AC AC 4 1 AC
Current
Limiter
AC/DC
Trigger Trigger
Converter
Circuit Circuit
(12) (12)
+DC 3 2 AC AC 3 2 AC
Current
Limiter
Do not forget to visit us at: www.crydom.com
Copyright 2016 Crydom Inc. Specifications subject to change without notice.
Input Current (mA)