Temperature controller. Side. Vac 3. Typically. Temperature controller. Side. Vac Driving SSR. Temperature controller. Resistor. Vac.

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1 Solid State Relays Vdc Input/ Output, Input/ Output High Reliability Shown smaller than actual size ac Controlled used with Controller with dc Voltage Driver Output L Typically ac Controlled used with Controller with Mechanical Relay Output Model DC5 Shown with Current Ratings to 9 Amps Multi-Million Cycle Life Compatible with Controllers Solid-State, SCR Design Zero Voltage Switching Control ac Lines to ac and dc Control Signal Models % Testing at Rated Current These s control resistance heaters up to kw using solid state relays in conjunction with lower rated temperature s. Solid state relays are SPST, normally open switching devices with no moving parts, capable of millions of cycles of operation. By applying a control signal, an switches ON the ac load current, just as the moving contacts do on a mechanical contactor. Three-phase loads can be controlled using or s. Use s for Y or star -phase loads using a neutral line. Two s will control delta loads with no neutral line. Three solid state relays are also used when there is no neutral load to provide redundancy and extra assurance of control. Switching takes place at the zero voltage crossover point of the alternating current cycle. Because of this, no appreciable electrical noise is generated, making s ideal for environments where there are apparatuses susceptible to RFI. Driving S SR ac Controlled used with Controller with Triac Output Resistor Driving Typical Applications Operating : - to 8 C (-5 to 75 F) Storage : - to 8 C (- to 75 F) Isolation: Vrms, input to output; 5 Vrms input/output to ground Capacitance: 8 pf, input to output (max) Line Frequency Range: 7 to 6 Hz Turn-On Time: ms, ac; 5 cycle, dc ms, ac; 5 cycle, dc for and Vdc Input Models Speci cations Max On State Current Min On State Current Max -Cycle Surge Max sec Surge T (6 Hz), A sec P-57 Amp 5 Amp 5 Amp 5 Amp 75 Amp A 5 A 5 A 5 A 75 A ma A 5 A 5 A 5 A 7 A A 75 A 5 A 5 A A Amp 9 A A 8 A 75

2 Solid State Relays These s are of the twin SCR type, inherently more reliable and capable of higher overloads before failure than triacs. Heat is developed in a solid state relay due to the nominal voltage drop across the switching device. To dissipate the heat, an must be mounted on a finned heat sink or aluminum plate. An should be located where the ambient temperature is relatively low, since the current switching rating is lowered as the temperature increases. Another characteristic is a small leakage current across the output when the relay is open. Because of this, a voltage will always exist on the load side of the device. In comparing s with mechanical contactors, the has a cycle life many times that of a comparably priced contactor. However, s are more prone to failure due to overload and improper initial wiring. Solid state relays can fail, contact closed, on overload circuits. Finned heat sinks are anodized fabrications that come complete with tapped mounting holes and screws. See thermal rating curves and ordering instructions for proper selection. baseplate to heat sink thermal resistance is affected by use of a thermally conducting compound. OMEGATHERM OT- placed between the heat sink and baseplate will significantly improve the thermal conductivity. It is also suggested that -inch-pounds of torque be used on the mounting screws. FHS Heat Sink Dimensions and Specifications and Heat Sink Dimensions (.) (.578) A B C Thermal Rating.".5".56" C/W 5.5" 5.".8". C/W MOUNTING HOLES () 8- THDS. (.6) (.) Heat Sink Dimensions C L (.67) (.6) (.5) (.75) C (.875) (5.5). (.5) C L A B 8- TH'D Places Dimensions shown in mm (in).5 (.56) CENTERS #6 (SCREWS) (.75) (.5) R Series Electrical Specifications (.) END VIEW P-58 (.8) (.) (.87) (.8) (TYP) (TYP.) TOP VIEW Dimensions shown in mm (in) Input-Control Signal Input & Output Control Control Control Signal Peak Signal Signal Signal Input Repetitive Type Voltage Turn-On Turn-OffImpedance Voltage Min. AC AC5 ac AC5 Control 9 to 8 9 k 5 V AC75 Signal AC9 DC DC5 dc DC5 Control to Vdc Vdc Vdc k 5 V DC75 Signal DC9 AC5 ac AC75 Control 9 to 8 9 k V AC9 Signal DC5 dc DC75 Control to Vdc Vdc Vdc k V DC9 Signal For Additional Controllers and Indicators, See Section M P

3 Derate current 5% for Derate current 5% for Derate current 5% for A MODELS A MODELS 5 A MODELS DERATE CURRENT % FOR HORIZONTAL FIN MOUNT 5 5 A MODELS FFH DERATE CURRENT % FOR HORIZONTAL FIN MOUNT A MODELS ( C) ( C).5 (.75) 7.9 (.) \ 8- Thread DERATE CURRENT % FOR HORIZONTAL FIN MOUNT 9 A MODELS (.87). (.7) 9.5 (.95) 57. (.5) Tolerances XX -. XXX -..5 (.) Clearance For Circuit Board Mounting. (.87) (.7) Two Places 5. (.) 6- Thread ( C) Series Output-V ac Line Load Max. Contact (5 C max. ambient) Dissipation Voltage Current Voltage Drop Watt/Amps AC A 7.5 ma 5 ma.6 AC5 5 A 7.5 ma 5 ma. AC5 to 8 5 A.6 V 7.5 ma 5 ma N/A.9 AC75 75 A 7.5 ma 5 ma * AC9 9 A 7.5 ma 5 ma * DC A 7.5 ma 5 ma.6 DC5 5 A 7.5 ma 5 ma. DC5 to 8 5 A.6 V 7.5 ma 5 ma N/A.9 DC75 75 A 7.5 ma 5 ma * DC9 9 A 7.5 ma 5 ma * AC5 5 A ma 8 ma 5 ma * AC75 6 to 8 75 A.6 V ma 8 ma 5 ma * AC9 9 A ma 8 ma 5 ma * DC5 5 A ma 8 ma 5 ma * DC75 6 to 8 75 A.6 V ma 8 ma 5 A m * DC9 9 A ma 8 ma 5 ma * Transients of min. max duration above table value should be suppressed. P-59

4 Solid State Relays /.67 /.67 /.67 /6.7 5 /.67 /.67 /.67 /6.7 IN STOCK FOR FAST DELIVERY! To Order(Specify Model Number) e Description Rating AC A AC5 ac 5 A AC5 Control Signal 5 A AC75 (8 line) 75 A AC9 9 A DC A DC5 dc 5 A DC5 Control Signal 5 A DC75 (8 line) 75 A DC9 9 A AC5 ac 5 A AC75 Control Signal 75 A AC9 ( line) 9 A DC5 dc 5 A DC75 Control Signal 75 A DC9 ( line) 9 A Finned C/W Heat Sink. C/W.7 C/W Shunt Resistors To Order (Specify ) R- R-5 R5- R5-5 Value ohms, watts ohms, 5 watts 5 ohms, watts 5 ohms, 5 watts P-6 s /.67 /.67 /.67 To Order(Specify ) KAX- KAX-5 KAX- KAX-5 KAX-7 KAX-9 KBH-5 KBH-7 KBH-9B Shunt Resistor Guide for Controllers with Triac or Outputs /6.7 Thermally Conductive Compound for Use Between Heat Sink and e Description OT--/ g ( oz) size OT-- 57 g ( oz) size OT--6 5 g ( lb) size Capacity A 5 A A 5 A 7 A 9 A 5 A 7 A 9 A Blocks To Order(Specify ) Compatible s FB- KAX-, KAX-5, KAX- FB- KAX-, KAX-5, KAX- FB- KAX-, KAX-5, KAX- BS- KAX-5, KAX-75, KAX-9, KBH (all models) Controller Resistor Resistor CN, CN, R- 5 R- CN CN9A, CN9, R- R5-5 or CN9A For Additional Controllers and Indicators, See Section M P

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