SSR-240D50

Catalog 1308242 Issued 3-03 (PDF Rev. 01.16) 

**Potter & Brumfield** 

## **SSR series** 

## **“Hockey Puck” Solid State Relay With Paired SCR Output** 

File E81606 

Users should thoroughly review the technical data before selecting a product part number. It is recommended that users also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. 

## **Features** 

- Standard “hockey puck” package. 

- Enhanced noise immunity (designed to meet level 3 requirements of European EMC Directive). 

- LED indicator. 

- Inverse parallel SCR output. 

- 25, 50, & 125A rms versions. 

- 120/240VAC & 480VAC output types. 

- Zero voltage and random voltage turn-on versions. 

- AC & DC input versions. 

- 4,000V rms optical isolation. 

- Floating terminal design. 

- New housing design with anti-rotation barriers 

## **Engineering Data** 

**Form** : 1 Form A (SPST-NO). **Duty** : Continuous. **Isolation** : 4,000V rms minimum. **Capacitance** : 8 pf typical (input to output). **Temperature Range** : 

**Storage** : –40°C to +100°C **Operating** : –20°C to +80°C. 

NOTE: Operation to –40°C is permitted for DC input types at an increased minimum input voltage of 4VDC (240V line voltage models) or 5VDC (480V line voltage models). 

**Case Material** : Plastic, UL rated 94V-0. **Case and Mounting** : Refer to outline dimension. **Termination** : Refer to outline dimension. **Approximate Weight** : 3.5 oz. (98g). 

**Ordering Information Sample Part Number SSR -240 D 25 1.  Basic Series:** SSR = "hockey puck" inverse parallel SCR output solid state relay **2.  Line Voltage:** 240 = 24 - 240VAC 480 = 48 - 660VAC **3.  Input Type & Voltage:** A = 90 - 280VAC D = 3 - 32VDC ~~————ll~~ **4.  Maximum Switching Rating/Output:** 25 = .1 - 25A rms, mounted to heatsink 50 = .1 - 50A rms, mounted to heatsink 125 = .1 - 125A rms, mounted to heatsink **5.  Options:** Leave Blank = Zero voltage turn-on R = Random voltage turn-on (phase controllable) 

**Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.** SSR-240A25 SSR-240D25 SSR-240D50 SSR-240A50 SSR-240D25R SSR-480D125 

## **Input Specifications** 

|**Parameter**|**AC Input**|**DC Input**|
|---|---|---|
||**Zero V Turn-on Units**|**Zero and Random V Turn-on Units**|
|Control Voltage Range V<br>IN|90 - 280VAC|3 - 32VDC|
|Must Operate Voltage V         (Min.)<br>IN(OP)|90VAC|3VDC|
|Must Release Voltage V          (Min.)<br>IN(REL)|10VAC|1VDC|
|Input Current (Max.)|15mA|15mA|



Dimensions are in inches Specifications and availability over (millimeters) unless subject to change. otherwise specified. 

www.te.com http://relays. te.com 

Dimensions are shown for **11** 0404 reference purposes only. 

Catalog 1308242 Issued 3-03 (PDF Rev. 01.16) 

**Potter & Brumfield** 

## **Output Specifications (@ 25° C, unless otherwise specified)** 

|**Parameter**|**Nom. Line Voltage**|**Conditions**|**Units**|**25A Models**|**50A Models**|**125A Models**|
|---|---|---|---|---|---|---|
|Load Voltage Range V<br>L|120/240V Model||V rms|24 - 280|||
||480V Model||V rms|48 - 660|||
|Repetitive Blocking Voltage (Min.)|120/240 Model||Vpeak|600|||
||480V Model||Vpeak|1200|||
|Load Current Range I  *<br>L|120/240 & 480V Models|Resistive|A rms<br>p|.05 - 25|.1 - 50|.1 - 125|
|Single Cycle Surge Current (Min.)|120/240 & 480V Models||A peak|250|750|1,700|
|Leakage Current (Off-State) (Max.)|120/240V Model|f  = 60 Hz. V  = 240V rms<br>L|mA rms|.1|||
||480V Model|f  = 60 Hz. V  = 480V rms<br>L||.25|||
|On-State Voltage Drop (Max.)|120/240 & 480V Models|I  = Max.<br>L||1.35|||
|Static dv/dt (Off-State) (Min.)|120/240 & 480V Models||V/s|500|||
|Thermal Resistance, Junction to Case<br>(R      ) (Max.)<br>θ<br>J-C|120/240 & 480V Models||C/W|0.4|0.25|.15|
|Turn-On Time (Max.)|120/240 & 480V Models|f  = 60 Hz.|ms|8.3 for Zero Voltage Turn-On DC input types,<br>20 for Zero Voltage Turn-On AC input types,<br>0.02 for Random Voltage Turn-On Models|||
|Turn-Off Time (Max.)|120/240 & 480V Models|f  = 60 Hz.|ms|8.3 for DC input types, 30 for AC input types|||
|I  T Rating<br>2|120/240 & 480V Models|t  = 8.3 ms|A   Sec.<br>2|937|2,458|12,000|
|Load Power Factor Rating|120/240 & 480V Models|I  = Max.<br>L||0.5 - 1.0|||



*See Derating Curves 

## **Electrical Characteristics (Thermal Derating Curves)** 

## **25A Units** 

## **50A Units** 

## **125A Units** 

## **Heatsink Recommendations** 

- We recommend that solid state relay modules be mounted to a heatsink sufficient to maintain the module’s base temperature at less than 85°C under worst case ambient temperature and load conditions. 

- The heatsink mounting surface should be a smooth (30-40 micro-inch finish), flat (30-40 micro-inch flatness across mating area), un-painted surface which is clean and free of oxidation. 

- An even coating of thermal compound (Dow Corning DC340 or equivalent) should be applied to both the heatsink and module 

- mounting surfaces and spread to a uniform depth of .002” to eliminate all air pockets. 

- The module should be mounted to the heatsink using two #10 screws. 

## **Operating Diagrams** 

## **Outline Dimensions** 

**==> picture [535 x 137] intentionally omitted <==**

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Specifications and availability subject to change. 

Dimensions are in inches over (millimeters) unless otherwise specified. 

Dimensions are shown for reference purposes only. 

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