Solid State Relays
Industrial, 1-Phase ZS w. LED
Types RS 23, RS 40, RS 48
• Zero switching AC Solid State Relay
• LED indication
• Clip-on IP protection cover
• Self-lifting terminals
• Housing free of moulding mass
• 2 input ranges: 4.5-32 VDC and 18-36 VAC/VDC
• Operational ratings up to 40 AACrms and 480 VAC
• Non-repetitive voltage: Up to 1200 V
p
• Opto-insulation: > 4000 VACrms
Preliminary data sheet
Product Description
The zero switching relay with
triac (10 A) or alternistor out-
put (25 A, 40 A) is an inex-
pensive solution for resistive
loads. The zero switching
relay switching relay swi-
tches ON when the sinusoi-
dal curve crosses zero and
switches OFF when the cur-
rent crosses zero. The LED
indicates the status of the
control input. The clip-on
cover is securing touch safe-
ty to IP 20. Protected output
terminals can take cables up
to 16 mm
2
.
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
A: Zero Switching
Rated operational
voltage
23: 230 VACrms
40: 400 VACrms
48: 480 VACrms
Rated operational
current
10: 10 AACrms
25: 25 AACrms
40: 40 AACrms
Control voltage
LA: 18 - 36 VAC/VDC
D: 4.5 - 32 VDC
Selection Guide
Rated opera-
tional voltage
230 VACrms
400 VACrms
480 VACrms
Non-rep.
voltage
650 V
p
850 V
p
1200 V
p
Control
voltage
4.5-32 VDC
18-36 VAC/DC
4.5-32 VDC
18-36 VAC/DC
4.5-32 VDC
18-36 VAC/DC
Rated operational current
10 A
25 A
RS1A23D10
RS1A23LA10
RS1A40D10
RS1A40LA10
RS1A48D10
RS1A48LA10
RS1A23D25
RS1A23LA25
RS1A40D25
RS1A40LA25
RS1A48D25
RS1A48LA25
40 A
RS1A23D40
RS1A23LA40
RS1A40D40
RS1A40LA40
RS1A48D40
RS1A48LA40
1
RS1A
General Specifications
RS1A23...
Operational voltage range
Non-rep. peak voltage
Zero voltage turn-on
Operational frequency range
Power factor
Approvals
CE-marking
42 to 265 VACrms
≥
650 V
p
≤
15 V
45 to 65 Hz
≥
0.95 @ 230 VACrms
UL, CSA
Yes
RS1A40...
42 to 440 VACrms
≥
850 V
p
≤
15 V
45 to 65 Hz
≥
0.95 @ 400 VACrms
UL, CSA
Yes
RS1A48...
42 to 530 VACrms
≥
1200 V
p
≤
15 V
45 to 65 Hz
≥
0.95 @ 480 VACrms
UL, CSA
Yes
Input Specifications
RS1A..D..
Control voltage
Pick-up voltage
Reverse voltage
Drop out voltage
Input current @ max input voltage
Response time pick-up
Response time drop-out
4.5-32 VDC
≤
4.25 VDC
≤
32 VDC
≥
1 VDC
≤
12 mA
≤
1/2 cycle
≤
1/2 cycle
RS1A..LA...
18-36 VAC/DC
≤
18 VAC/DC
-
≥
5 VAC/DC
≤
15 mA
≤
1 cycle
≤
2 cycles
Output Specifications
RS1A...10
Rated operational current
AC1 @ Ta=25°C
Min. operational current
Rep. overload current t=1 s
Non-rep. surge current t=10 ms
Off-state leakage current @ rated
voltage and frequency
2
I t for fusing t=1-10 ms
Critical dV/dt
On-state voltage drop @ rated current
Critical dV/dt off-state
10 Arms
150 mA
< 12 AACrms
100 Ap
< 3 mArms
≤
50 A
2
s
≥
10 A/µs
≤
1.6 Vrms
≥
250 V/µs
RS1A...25
25 Arms
150 mA
< 37 AACrms
230 Ap
< 3 mArms
≤
265 A
2
s
≥
50 A/µs
≤
1.6 Vrms
≥
250 V/µs
RS1A...40
40 Arms
150 mA
< 60 AACrms
300 Ap
< 3 mArms
≤
450 A
2
s
≥
100 A/µs
≤
1.6 Vrms
≥
250 V/µs
Thermal Specifications
RS1A...10
Operating temperature
Storage temperature
Junction temperature
R
th
junction to case
R
th
junction to ambient
-20° to 70°C
-40° to 100°C
≤
125°C
≤
4.80 K/W
≤
40 K/W
RS1A...25
-20° to 70°C
-40° to 100°C
≤
125°C
≤
1.10 K/W
≤
20 K/W
RS1A...40
-20° to 70°C
-40° to 100°C
≤
125°C
≤
0.90 K/W
≤
20 K/W
2
FPGA/CPLD
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