CKRD4820

## **CKR SERIES | 480 VAC** 

DIN RAIL MOUNT SOLID STATE RELAYS 

## Features 

- Rating from 20 A to 30 A @ 530 VAC 

- Slim 22.5mm (width) package 

- SCR output for heavy industrial loads 

- LED input status indicator 

- AC or DC control 

- Zero Voltage (resistive loads) turn-on output 

## **PRODUCT SELECTION** 

|**Control Voltage**|**20 A**|**30 A**|
|---|---|---|
|**4-32 VDC Control**|CKRD4820|CKRD4830|
|**110-280 VAC Control**||CKRA4830|
|**90-140 VAC Control**||CKRB4830|



## **SPECIFICATIONS** 

## Output[(1)] 

|**Description**|**20 A**|**30 A**|
|---|---|---|
|**Operating Voltage (47-63Hz) [Vrms]**|48-530|48-530|
|**Transient Overvoltage [Vpk]**|1200|1200|
|**Maximum Off-State Leakage Current @ Rated Voltage [mArms]**|10|10|
|**Minimum Off-State dv/dt @ Maximum Rated Voltage [V/μsec](2)**|500|500|
|**Maximum Load Current [Arms]**|20|30|
|**Minimum Load Current [Arms]**|0.15|0.15|
|**Maximum Surge Current (16.6ms) [Apk]**|250|1200|
|**Maximum On-State Voltage Drop @ Rated Current [Vpk]**|1.6|1.6|
|**Maximum I² t for Fusing (8.3 msec) [A² sec]**|260|6000|
|**Minimum Power Factor (with Maximum Load)**|0.5|0.5|



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## Input[(1)] 

|**Description**|**CKRD48xx**|**CKRA48xx**|**CKRB48xx**|
|---|---|---|---|
|**Control Voltage Range**|4.0-32 VDC|110-280 Vrms|90-140 Vrms|
|**Minimum Turn-On Voltage**|4.0 VDC|110 Vrms|90 Vrms|
|**Must Turn-Off Voltage**|1.0 VDC|10 Vrms|10 Vrms|
|**Typical Input Current(4)**|8-12 mA|5 mA @ 240 Vrms|5 mA @ 120 Vrms|
|**Maximum Turn-On Time [msec](3)**|1/2 Cycle|10|10|
|**Maximum Turn-Off Time [msec]**|1/2 Cycle|40|40|



## General 

|**Description**|**Parameters**|
|---|---|
|**Dielectric Strength, Input/Output/Base (50/60Hz)**|4000 Vrms|
|**Minimum Insulation Resistance (@ 500 VDC)**|109Ohms|
|**Maximum Capacitance, Input/Output**|8 pF|
|**Ambient Operating Temperature Range**|-40 to 80 °C|
|**Ambient Storage Temperature Range**|-40 to 125 °C|
|**Status Indicator Display**|Green LED|
|**Weight (typical)**|10 oz. (280g)|
|**Encapsulation**|Thermally Conductive Epoxy|
|**Terminals**|Box Clamp Type|
|**Maximum Wire Size**|AWG # 10 (3mm)|
|**Recommended Terminal Screw Torque Range**|5.0-6.0 lb-in (0.6-0.7 Nm)|
|**Min. Side by Side Spacing**|0.8 in (20mm)|



## **MECHANICAL SPECIFICATIONS** 

*All dimensions are in: inches [millimeters] 

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## **EQUIVALENT CIRCUIT BLOCK DIAGRAMS** 

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## **THERMAL DERATE INFORMATION** 

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## **AVAILABLE OPTIONS** Wi Example: CKRD4830P 

**CKR D 48 20 P Series** ~~>~~ **CKR Control Voltage** ee **D:** 4-32 VDC **B:** 90-140 VAC **A:** 110-280 VAC **Operating Voltage** | **48:** 48-530 VAC **Rated Load Current 20:** 20 Amps **30:** 30 Amps **Overvoltage Protection Blank:** Not Included Required for valid part number **P:** Included For options only and not required for : ~~:~~ valid part number NOTE: Not all combinations are available. Contact us for information on the availability of a specific part number. 

## **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) Turn-on time for DC control instantaneous turn-on versions is 0.02 msec 

(4) Input circuitry for DC control version incorporates active current limiter. 

## **AGENCY APPROVALS & CERTIFICATIONS** 

Designed in accordance with the requirements of IEC 62314 

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E116950  LR81689<br>**----- End of picture text -----**<br>


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## **WARNINGS** 

## RISK OF MATERIAL DAMAGE AND HOT ENCLOSURE 

- The product’s side panels may be hot, allow the product to cool before touching 

- Follow proper mounting instructions including torque values 

- Do not allow liquids or foreign objects to enter this product 

**Failure to follow these instructions can result in serious injury, or equipment damage.** 

## HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH 

- Disconnect all power before installing or working with this equipment 

- Verify all connections and replace all covers before turning on power 

**Failure to follow these instructions will result in death or serious injury.** 

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Rev. 02/29/2024 ECN 21026 FDE-07-01 Rev. B