CW48 Series
• Ratings from 10A to 125A @ 24-280 VAC and 48-660 VAC
• SCR output for heavy industrial loads
• EMC Compliant for reliable operation in harsh environments
• Removable IP 20 touch-safe cover
• DBC substrate for superior thermal performance
• LED input status indicator
• AC or DC input
• UL/CSA/TUV Approved, CE Compliant to EN60950-1
PRODUCT SELECTION
Description 10A 25A 50A 90A 125A
4-32 VDC CWD4810 CWD4825 CWD4850 CWD4890 CWD48125
90-280 Vrms CWA4810 CWA4825 CWA4850 CWA4890 CWA48125
18-36 Vrms CWA4810E CWA4825E CWA4850E CWA4890E CWA48125E
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (1)
Description 10A 25A 50A 90A 125A
Operating Voltage (47-440Hz) [Vrms] (8) 48-660 48-660 48-660 48-660 48-660
Transient Overvoltage [Vpk] 1200 1200 1200 1200 1200
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 1.0 1.0 1.0 1.0 1.0
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] (2) 500 500 500 500 500
Maximum Load Current (3) [Arms] 10 25 50 90 125
Minimum Load Current [Arms] 0.15 0.15 0.15 0.25 0.25
Maximum 1 Cycle Surge Current (50/60) [Apk] 380/400 570/600 810/850 1290/1350 1900/2000
Maximum On-State Voltage Drop @ Rated Current [Vpk] 1.3 1.3 1.3 1.3 1.25
Thermal Resistance Junction to Case (Rjc ) [°C/W] 0.35 0.35 0.2 0.14 0.13
Maximum I² t for Fusing 50/60Hz (1/2 cycle) [A² sec] 720/660 1620/1500 3280/3000 8320/7560 18000/16600
Minimum Power Factor (with Maximum Load) 0.5 0.5 0.5 0.5 0.5
HP Ratings: 120 VAC @ FLA 0.5 @ 9.8A 1 @ 16A 2 @ 24A 3 @ 34A 5 @ 56A
HP Ratings: 240 VAC @ FLA 1.5 @ 10A 3 @ 17A 5 @ 28A 7.5 @ 40A 10 @ 50A
HP Ratings: 480 VAC @ FLA 3 @ 8.5A 5 @ 14A 10 @ 21A 10 @ 26A 15 @ 34A
INPUT SPECIFICATIONS (1)
Description CWD CWA CWAxxxxE
Control Voltage Range 4-32 VDC 90-280 Vrms 18-36 Vrms
Minimum Turn-On Voltage 4 VDC 90 Vrms 18 Vrms
Minimum T urn -Off Voltage 1 .0 VDC 10 Vrms 2 Vrms
Typical Input Current 10 mA @ 12 VDC 6 mA @ 120 Vrms 24 mA @ 24 Vrms
Nominal Input Impedance See note 5 14.2 K Ohms (6) 1.0 K Ohms
Maximum Turn-On Time [msec] (4) 1/2 Cycle 50 50
Maximum Turn-Off Time [msec] 1/2 Cycle 50 50
GENERAL SPECIFICATIONS
Description Parameters
Dielectric Strength, Input/Output/Base (50/60Hz) 4000 Vrms
Minimum Insulation Resistance (@ 500 V DC) 109 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) 3.0 oz (86.5 g)
Encapsulation Ther ma lly conductive Epoxy
Terminals Screw Type, Finger Proof Output: 8-32, Combo rive Input: 6-32, Combo Drive
Max. Torque Output: 20 in lb (2.2Nm) Input: 10 in lb (1.1Nm)
Max. Wire Size Output:2 x AWG 8 (3.8mm) Input: 2 x AWG 12 (2.5mm)
GENERAL NOTES
1) All parameters at 25°C unless otherwise specified.
2) Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
3) Heat sinking required, for derating curves see page 2.
4) Turn-on time for random turn-on version is 0.02 msec.
5) Input circuit incorporates active current limiter
6) 21.5K ohms for random turn-on version (-10 suffix)
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MECHANICAL SPECIFICATIONS
WIRING DIAGRAM
THERMAL DERATE INFORMATION
AGENCY APPROVALS
Designed in accordance with the requirements of IEC 62314
EN60950 : Meets the requirements of sections1.5: 1,7: 2.9: 2.10.5.3: 4.2: 4.5: 4.7:
IEC 61000-4-2 : Electrostatic Discharge – Level 3 (Level 4 with “P” option)
IEC 61000-4-3 : Radiated Electromagnetic Noise – Level 3
IEC 61000-4-4 : Electrically Fast Transients – Level 3 (Level 4 with “P” option)
IEC 61000-4-5 : Electrical Surges – Level 3
IEC 61000-4-6 : Conducted Electromagnetic Noise – Level 3
E79183 1405925
Rev. 020312
ANNEX - ENVIROMENTAL INFORMATION