CWU241010

## **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/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 I²t for Fusing 50/60Hz (1/2 cycle) [A²sec]|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|
|Minimum Insulation Resistance(@ 500 VDC)|109Ohm|
|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 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) 

- 7) For CWU random version is 7 msec. 

- 8) CWU versions are approved by UL only.. 

. 

## **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 

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**ANNEX - ENVIROMENTAL INFORMATION**