PSD2450

## **PSD SERIES | 240 VAC** PANEL MOUNT SOLID STATE RELAYS 

## Features 

- Peak-fire SSR for high inductance applications 

- Ratings from 25 A to 50 A @ 90-280 VAC 

- SCR output for heavy industrial loads 

- DC control 

## **PRODUCT SELECTION** O 

|**Description**<br>~~I~~<br>~~Re~~|**25 A**<br>~~I~~|**50 A**<br>~~I~~|
|---|---|---|
|**Operating Voltage (47-63Hz) [Vrms]**<br>~~Re~~|90-280|90-280|
|**Transient Overvoltage [Vpk]**<br>~~ReBP~~<br>~~BR~~|600|600|
|**Maximum Off-State Leakage Current @ Rated Voltage [mArms]**<br>~~BR~~|10|10|
|**Minimum Off-State dv/dt @ Maximum Rated Voltage [V/μsec](2)**<br>~~BR~~<br>~~BR~~|500|500|
|**Maximum Load Current [Arms](3)**<br>~~BR~~<br>~~Re~~|25|50|
|**Minimum Load Current [Arms]**<br>~~BR~~<br>~~ReRO~~|40|40|
|**Maximum 1 Cycle Surge Current (50/60Hz) [Apk]**<br>~~ReRO~~|239/250|597/625|
|**Maximum On-State Voltage Drop @ Rated Current [Vpk]**<br>~~RO|~~<br>~~BR~~|1.6|1.6|
|**Thermal Resistance Junction to Case (Rjc) [°C/W]**<br>~~BR~~<br>~~Re~~|1.02|0.63|
|**Maximum 1/2 cycle I² t for Fusing (50/60Hz) [A² sec]**<br>~~BR~~<br>~~Re~~|285/259|1779/1621|
|**Minimum Power Factor (with Maximum Load)**<br>~~ReRt~~|0.5|0.5|



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## Input[(1)] 

|**Description**|**DC Control**|
|---|---|
|**Control Voltage Range**|3-32 VDC|
|**Maximum Turn-On Voltage**|3.0 VDC|
|**Minimum Turn-Off Voltage**|1.0 VDC|
|**Maximum Reverse Voltage**|-32|
|**Typical Input Current**|2 mA4|
|**Nominal Input Impedance**|See Note 4|
|**Maximum Turn-On Time [msec]**|1/2 Cycle|
|**Maximum Turn-Off Time [msec]**|1/2 Cycle|



## General 

|**Description**|**Parameters**|
|---|---|
|**Dielectric Strength, Input/Output (50/60Hz)3**|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|
|**Weight (typical)**|3.0 oz (86.5g)|
|**Encapsulation**|Thermally Conductive Epoxy|
|**Terminals**|Screw and saddle Clamps Furnished, Unmounted|
|**Recommended Terminal Screw Torque Range:**|6-32 Screws - 10 lb-in. 8-32 & 10-32 Screws - 20 lb-in|



## **MECHANICAL SPECIFICATIONS** 

*Tolerances: ±0.02 in / 0.5 mm All dimensions are in: inches [millimeters] 

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**THERMAL DERATE INFORMATION** 

**==> picture [522 x 164] intentionally omitted <==**

**==> picture [576 x 238] intentionally omitted <==**

**----- Start of picture text -----**<br>
AVAILABLE OPTIONS Example : PSD2425G<br>PS D 24 25 G<br>Series<br>PS<br>Control Voltage<br>D:  DC (3-32 V)<br>Operating Voltage<br>24:  90-280 VAC<br>Load Current<br>25:  25 Amps<br>50:  50 Amps<br>Status indicator<br>Required for valid part number<br>Blank:  Not Input Status LED For options only and not required for valid part<br>G:  Input Status LED number<br>**----- End of picture text -----**<br>


NOTE: Not all combinations are available. Consult factory for information on the availability of a specific part number. 

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## **GENERAL NOTES** 

> **(1) All parameters at Tc=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 3.** 

**(4) Input circuit incorporates active current limiter** 

## **AGENCY APPROVALS & CERTIFICATIONS** 

## E116950 

## **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.04/23/2024ECN 20395 FDE-07-01 Rev. B