CW24 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, and Universal AC/DC input
Zero-crossing (resistive loads) or random-fire (inductive loads) output
UL/CSA/TUV Approved, CE Compliant to EN60950-1
PRODUCT SELECTION
Description 10A 25A 50A 90A 125A
3-32 VDC CWD2410 CWD2425 CWD2450 CWD2490 CWD24125
90-280 Vrms CWA2410 CWA2425 CWA2450 CWA2490 CWA24125
18-36 Vrms CWA2410E CWA2425E CWA2450E CWA2490E CWA24125E
20-48 VDC/ 20-280 Vrms CWU2410 CWU2425 CWU2450 CWU2490 CWU24125
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (1)
Description 10A 25A 50A 90A 125A
Operating Voltage (47-440Hz) [Vrms] 24-280 24-280 24-280 24-280 24-280
Transient Overvoltage [Vpk] 600 600 600 600 600
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 1 1 1 1 1
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/sec] (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 I t for Fusing 50/60Hz (1/2 cycle) [A 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 Rating UL 508/IEC60947 [HP (KW)]: 120 VAC 0.5 (0.4) 1 (0.7) N.A 3 (2.2) 5 (3.7)
HP Rating UL 508/IEC60947 [HP (KW)]: 240 VAC 1.5 (1.1) 3 (2.2) N.A 7.5 (5.6) 10 (7.5)INPUT SPECIFICATIONS (1)
Description CWD CWA CWAxxxxE CWU
Control Voltage Range 3-32 VDC 90-280 Vrms 18-36 Vrms 20-48 VDC/ 20-280 Vrms
Minimum Turn-On Voltage 3 VDC 90 Vrms 18 Vrms 19 VDC/ Vrms
Minimum Turn-Off Voltage 1.0 VDC 10 Vrms 2 Vrms 5 VDC/ Vrms
Typical Input Current 10 mA @ 12 VDC 6 mA @ 120 Vrms 24 mA @ 24 Vrms 11 mA @ 48VDC, 19 mA @
280Vrms
Nominal Input Impedance See note 5 14.2 K Ohms (6) 1.0 K Ohms See note 5
Maximum Turn-On Time [msec] (4)(7) 1/2 Cycle 50 50 17
Maximum Turn-Off Time [msec] 1/2 Cycle 50 50 30
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) 3.0 oz (86.5 g)
Encapsulation None
Terminals Screw Type, Finger Proof Output: 8-32, Combo Drive 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 25C 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)
7) For CWU random version is 7 msec.
8) CWU versions are approved by UL only..
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