Carlo Gavazzi RS 23, RS 40, RS 48 Data sheet
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 25A and 40A 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
• Opto-isolation: > 4000 VACrms
• Integrated snubber network in 25 A and 40 A types
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Product De scrip tion
The zero switching relay with
triac (10 A) or thyristor output
(25 A, 40 A) offer a solution
for resistive load switching.
The zero switching relay
switches ON when the sinusoidal voltage crosses zero
and switches OFF when the
current crosses zero. The
LED indicates the status of
the control input. The clip-on
cover is securing touch protection to IP 20. Output terminals can handle cables up
to 16 mm2.
Ordering Key
Solid State Relay
Number of poles
Switching mode
Rated operational voltage
Control voltage
Rated operational current
RS 1 A 23 D 25
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 480VAC types
Selection Guide
Rated opera- Non-rep. Control Rated op er a tion al current
tional voltage voltage voltage 10 A 25 A 40 A
230 VACrms 650 Vp 3-32 VDC RS1A23D10 RS1A23D25 RS1A23D40
18-36 VAC/DC RS1A23LA10 RS1A23LA25 RS1A23LA40
400 VACrms 850 Vp 4-32 VDC RS1A40D10 RS1A40D25 RS1A40D40
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 Spec i 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 ≥ 850 Vp ≥ 1200 V
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
Specifications are subject to change without notice (25.07.2017) 1
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RS1A
Input Specifications
RS1A..D.. RS1A..LA...
Control voltage 18-36 VAC/DC
RS1.23.., 3-32 VDC
RS1.40.., RS1.48.. 4-32 VDC
Pick-up voltage ≤ 18 VAC/DC
RS1.23.., ≤ 2.75 VDC
RS1.40.., RS1.48.. ≤ 3.75 VDC
Reverse voltage ≤ 32 VDC -
Drop out voltage ≥ 1.2 VDC ≥ 5 VAC/DC
Input current @ max input voltage
Response time pick-up ≤ 1/2 cycle ≤ 1 cycle
Response time drop-out ≤ 1/2 cycle ≤ 2 cycles
≤ 12 mA ≤ 15 mA
Output Specifications
RS1A...10 RS1A...25 RS1A...40
Rated operational current
AC51 @ Ta=25°C 10 Arms 25 Arms 40 Arms
Min. operational current 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 100 Ap 325 Ap 600 A
Off-state leakage current @ rated
voltage and frequency < 3 mArms < 3 mArms < 3 mArms
I2t for fusing t=10 ms ≤ 50 A2s ≤ 525A2s ≤ 1800 A2s
On-state voltage drop @ rated current ≤ 1.6 Vrms ≤ 1.6 Vrms ≤ 1.6 Vrms
Critical dV/dt off-state ≥ 500V/µs ≥ 500 V/µs ≥ 500 V/µs
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Thermal Specifications
RS1A...10 RS1A...25 RS1A...40
Operating temperature -20° to 70°C -40° to 80°C -40° to 80°C
Storage temperature -20° to 80°C -50° to 100°C -50° to 100°C
Housing Specifications
Weight Approx. 60 g
Housing material Noryl GFN 1, black
Baseplate Aluminium
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
Isolation
Rated isolation voltage ≥ 4000 VACrms
Input to output
Rated isolation voltage ≥ 4000 VACrms
Output to case
2 Specifications are subject to change without notice (25.07.2017)
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