RS1A Solid State Relays Industrial, 1-Phase ZS w. LED Types RS 23, RS 40, RS 48 Zero switching AC Solid State Relay Direct copper bonding (DCB) technology in 25 A and 40 A types LED indication Clip-on IP 20 protection cover Self-lifting terminals Housing free of moulding mass 2 input ranges: 4-32 VDC and 18-36 VAC/VDC Operational ratings up to 40 AACrms and 480 VAC Blocking voltage: Up to 1200 V p Opto-isolation: > 4000 VACrms Integrated snubber network in 25 A and 40 A types Product De scrip tion Ordering Key RS 1 A 23 D 25 The zero switching relay with LED indicates the status of Solid State Relay triac (10 A) or thyristor output the control input. The clip-on Number of poles (25 A, 40 A) offer a solution cover is securing touch pro- Switching mode for resistive load switching. tection to IP 20. Output ter- Rated operational voltage The zero switching relay minals can handle cables up Control voltage 2 switches ON when the sinus- to 16 mm . Rated operational current oidal voltage crosses zero and switches OFF when the current crosses zero. The Type Selection Switching mode Rated operational Rated operational Control voltage voltage current A: Zero Switching 23: 230 VACrms 10: 10 AACrms LA: 18 to 36 VAC/VDC 40: 400 VACrms 25: 25 AACrms D: 3 to 32 VDC* 48: 480 VACrms 40: 40 AACrms *4 to 32 VDC for 400 VAC and 480 VAC types Selection Guide Rated opera- Blocking Control Rated op er a tion al current tional voltage voltage voltage 10 A 25 A 40 A 230 VACrms 650 V 3-32 VDC RS1A23D10 RS1A23D25 RS1A23D40 p 18-36 VAC/DC RS1A23LA10 RS1A23LA25 RS1A23LA40 400 VACrms 800 V 4-32 VDC RS1A40D10 RS1A40D25 RS1A40D40 p 18-36 VAC/DC RS1A40LA10 RS1A40LA25 RS1A40LA40 480 VACrms 1200 Vp 4-32 VDC RS1A48D10 RS1A48D25 RS1A48D40 18-36 VAC/DC RS1A48LA10 RS1A48LA25 RS1A48LA40 General Speci fi ca tions RS1A23... RS1A40... RS1A48... Operational voltage range 42 to 265 VACrms 42 to 440 VACrms 42 to 530 VACrms Blocking voltage 650 Vp 800 Vp 1200 Vp Zero voltage turn-on 15 V 15 V 15 V Operational frequency range 45 to 65 Hz 45 to 65 Hz 45 to 65 Hz Power factor 0.95 230 VACrms 0.95 400 VACrms 0.95 480 VACrms Approvals UR, cUR, CSA, EAC UR, cUR, CSA, EAC UR, cUR, CSA, EAC CE-marking Yes Yes Yes UKCA-marking Yes Yes Yes Specifications are subject to change without notice (03.09.2021) 1 RS1A Input Specifications RS1A..D.. RS1A..LA... Control voltage 18-36 VAC/DC RS1A23.., 3-32 VDC RS1A40.., RS1A48.. 4-32 VDC Pick-up voltage 18 VAC/DC RS1A23.., 2.75 VDC RS1A40.., RS1A48.. 3.75 VDC Reverse voltage 32 VDC - Drop out voltage 1.2 VDC 5 VAC/DC Input current max input voltage 12 mA 15 mA Response time pick-up 1/2 cycle 1 cycle Response time drop-out 1/2 cycle 2 cycles Output Specifications RS1A...10 RS1A...25 RS1A...40 Rated operational current AC51 Ta=25C 10 Arms 25 Arms 40 Arms Min. operational current RS1A23.., RS1A40.. 65 mA 150 mA 250 mA RS1A48.. 150 mA 150 mA 250 mA Rep. overload current t=1 s < 12 AACrms < 55 AACrms < 125 AACrms Non-rep. surge current t=10 ms RS1A23.., RS1A40.. 100 A 325 A 600 A p p p RS1A48.. 325 A 325 A 600 A p p p Off-state leakage current rated voltage and frequency < 3 mArms < 3 mArms < 3 mArms 2 I t for fusing t=10 ms 2 2 2 RS1A23.., RS1A40.. 50 A s 525 A s 1800 A s 2 2 2 RS1A48.. 525 A s 525 A s 1800 A s On-state voltage drop rated current 1.6 Vrms 1.6 Vrms 1.6 Vrms Critical dV/dt off-state 500 V/s 500 V/s 500 V/s Thermal Specifications RS1A...10 RS1A...25 RS1A...40 Operating temperature -20 to 70C -20 to 70C -20 to 70C Storage temperature -40 to 100C -40 to 100C -40 to 100C Housing Specifications Isolation Weight Approx. 60 g Rated isolation voltage 4000 VACrms Input to output Housing material Noryl GFN 1, black Rated isolation voltage 4000 VACrms Baseplate Aluminium Output to case Potting compound None Relay Mounting screws M5 Mounting torque 1.5-2.0 Nm Control terminal Mounting screws M3 x 9 Mounting torque 0.5 Nm Power terminal Mounting screws M5 x 9 Mounting torque 2.4 Nm 2 Specifications are subject to change without notice (03.09.2021)