Solid State Relays 1-Phase, Zero Cross or Instant On Switching 25 AAC, 230 VAC with LED and Built-in Transil Types RF1A, RF1B AC switching Solid State Relay Switching through back to back thyristors Long lifetime through reduced stress on output chip Operational ratings: up to 280 VAC, 25 AAC Control voltage: 5 VDC, 12 VDC, 24 VDC LED for control status indication Integrated overvoltage protection on output Opto isolation input to output 3750 VAC 100k cycles endurance test according to UL508 Pre-attached thermal interface to SSR backplate Product Description Ordering Key RF 1 A 23 D 25 The RF1 series provides a (RF1B), switches on when the SSR series compact solid state switching control voltage is applied. Number of switching poles solution suited for confined Switch OFF occurs when cur- Switching mode spaces. Long life time is rent crosses zero. Rated operational voltage ensured by the use of assem- Control voltage bly technology that reduces Integrated transils provide pro- stresses on the power semi- tection against overvoltages. A Rated operational current conductors. green LED indicates presence Options of the control voltage. FAS- The RF1 series is suitable for TON terminals enable fast resistive loads. The zero installation. The RF1 is provid- switching type (RF1A), switch- ed with pre-attached thermal es ON when the voltage cross- interface ready for mounting es zero. The instant-ON type on chassis or heatsink. Specifications are stated at 25C unless otherwise noted Ordering Key Switching mode Rated voltage Control voltage Rated current* RF1A: Zero Cross (ZC) 23: 230 VAC L: 5 VDC 25: 25 AAC RF1B: Instant On (IO) (24 - 280 VAC), M: 12 VDC 50/60 Hz D: 24 VDC Selection Guide Rated output voltage, Blocking voltage Control voltage Rated operational current* Switching mode range 230 VAC, ZC 600 Vp 4.25 - 9.0 VDC RF1A23L25 9.0 - 18.0 VDC RF1A23M25 18.0 - 28.8 VDC RF1A23D25 230 VAC, IO 600 Vp 4.5 - 9.0 VDC RF1B23L25 11.0 - 18.0 VDC RF1B23M25 18.0 - 28.8 VDC RF1B23D25 * Max. 25 AAC with suitable heatsink. Refer to Heatsink Selection tables. Specifications are subject to change without notice (23.06.2017) 1RF1 General Specifications Latching voltage Rated impulse (across L-T) 20 V withstand voltage, U 4 kV (1.2/50s) for imp Overvoltage Category III Operational frequency range 45 to 65 Hz Isolation Leakage current Input to Output 3750 Vrms rated voltage < 3m AAC Input & Output to Case 2500 Vrms Power factor > 0.9 rated voltage Control input status continously ON Green LED, when control input is applied Output Specifications Rated operational current* On state voltage drop < 1.3 V AC-51 (IEC/EN 60947-4-3, UL508) 25 AAC It for fusing (t=10ms) Minimum operational current 150 mA minimum 525 As Rep. overload current - Critical dV/dt Tj init = 40C 1000 V/us UL508: T=40C, tON=1s, tOFF=9s, 50 cycles 40 AAC Endurance testing acc. to Non-repetitive surge UL508 100,000 cycles current (t=10ms) 325 Ap * Max. 25 AAC with suitable heatsink. Refer to Heatsink Selection tables. Output Voltage Specifications Operational Voltage Range 24-280 VAC Blocking voltage 600 Vp Output protection Integrated transil Input specifications RF1..L RF1..M RF1..D Control voltage range RF1A 4.25 - 9.0 VDC 9.0 - 18.0 VDC 18.0 - 28.8 VDC RF1B 4.5 - 9.0 VDC 11.0 - 18.0 VDC 18.0 - 28.8 VDC Pick-up voltage RF1A 4.25 VDC 9.0 VDC 18.0 VDC RF1B 4.5 VDC 11.0 VDC 18.0 VDC Drop-out voltage 1.0 VDC 1.0 VDC 1.0 VDC Maximum Reverse voltage 9.0 VDC 18.0 VDC 28.8 VDC Max Response time pick-up RF1A 1/2 cycle 1/2 cycle 1/2 cycle RF1B 350 s 350 s 350 s Response time drop-out RF1A 1/2 cycle 1/2 cycle 1/2 cycle RF1B 1/2 cycle 1/2 cycle 1/2 cycle Input current refer to diagrams below RF1..L RF1..M RF1..D 20 14 14 RF1A23M25 RF1A23D25 RF1A23L25 18 12 12 16 RF1B23M25 RF1B23D25 RF1B23L25 14 10 10 12 8 8 10 8 6 6 6 4 4 4 44.5 55.5 66.5 77.5 88.5 9 89 101112131415161718 18 19 20 21 22 23 24 25 26 27 28 29 Input voltage (VDC) Input voltage (VDC) Input voltage (VDC) 2 Specifications are subject to change without notice (23.06.2017) Input current (mADC) Input current (mADC) Input current (mADC)