Catalog 1308242 Issued 3-03 (PDF Rev. 11-05) P&B 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 Engineering Data • 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. 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 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 25 D 1. Basic Series: SSR = "hockey puck" inverse parallel SCR output solid state relay 2. Line Voltage: 240 = 24 - 240VAC 3. Input Type & Voltage: 480 = 48 - 660VAC A = 90 - 280VAC D = 3 - 32VDC (240V line voltage model) / 4 - 32VDC (480V line voltage model) 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-240A50 SSR-240D25 SSR-240D25R SSR-240D50 SSR-480D125 Input Specifications DC Input AC Input Parameter Zero V Turn-on Units Zero and Random V Turn-on Units 240VAC Rated Models 480VAC Rated Models 90 - 280VAC 3 - 32VDC 4 - 32VDC Must Operate Voltage VIN(OP) (Min.) 90VAC 3VDC 4VDC Must Release Voltage V IN(REL) (Min.) 10VAC 1VDC 1VDC Input Current (Max.) 15mA 15mA 15mA Control Voltage Range V IN Dimensions are shown for 1104 reference purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. www.tycoelectronics.com Technical support: Refer to inside back cover. Catalog 1308242 Issued 3-03 (PDF Rev. 11-05) P&B Output Specifications (@ 25° C, unless otherwise specified) Parameter Nom. Line Voltage Conditions Units 120/240V Model 25A Models 50A Models 125A Models 24 - 280 480V Model V rms V rms 120/240 Model V peak ±600 Load Current Range I L* 480V Model 120/240 & 480V Models V peak A rms .05 - 25 ±1200 .1 - 50 .1 - 125 Single Cycle Surge Current (Min.) 120/240 & 480V Models A peak 250 750 1,700 Load Voltage Range VL Repetitive Blocking Voltage (Min.) Leakage Current (Off-State) (Max.) Resistive 120/240V Model f = 60 Hz. VL = 240V rms 48 - 660 .1 mA rms 480V Model f = 60 Hz. VL = 480V rms .25 On-State Voltage Drop (Max.) 120/240 & 480V Models I L = Max. 1.35 Static dv/dt (Off-State) (Min.) 120/240 & 480V Models V/μs Thermal Resistance, Junction to Case (R θ J-C) (Max.) 120/240 & 480V Models °C/W 500 0.4 .15 0.25 ms 8.3 for Zero Voltage Turn-On DC input types, 20 for Zero Voltage Turn-On AC input types, 0.02 for Random Voltage Turn-On Models f = 60 Hz. ms 8.3 for DC input types, 30 for AC input types t = 8.3 ms A 2 Sec. Turn-On Time (Max.) 120/240 & 480V Models Turn-Off Time (Max.) 120/240 & 480V Models I 2 T Rating 120/240 & 480V Models Load Power Factor Rating 120/240 & 480V Models I L= Max. f = 60 Hz. 937 2,458 12,000 0.5 - 1.0 *See Derating Curves Electrical Characteristics (Thermal Derating Curves) 50A Units 25A 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 1.850 (47.0) 1 -4 CONSTANT CURRENT DC INPUT +3 ZERO VOLTAGE CIRCUIT† OUTPUT 1 ZERO VOLTAGE CIRCUIT† OUTPUT Random Turn-on Units have a Random Turn-on circuit instead of Zero Voltage Circuit Dimensions are shown for reference purposes only. 1.100 .470 (27.94) (11.9) 1.750 (44.45) 1.000 (25.4) 2 EQUIVALENT CIRCUIT ONLY † .870 (22.1) .875 (22.23) 4 3 LED INDICATOR 2 EQUIVALENT CIRCUIT ONLY AC INPUT 1.700 (43.18) Dimensions are in inches over (millimeters) unless otherwise specified. 2.250 (57.15) Specifications and availability subject to change. .785 (19.94) .250 (6.35) www.tycoelectronics.com Technical support: Refer to inside back cover. 1105