Specifications are subject to change without notice (07.10.2003)
1
Rated opera-
Non-rep.
Control
Rated operational current
tional voltage
voltage
voltage
10 A
25 A
40 A
230 VACrms
650 V
p
3-32 VDC
RS1A23D10
RS1A23D25
RS1A23D40
18-36 VAC/DC
RS1A23LA10
RS1A23LA25
RS1A23LA40
400 VACrms
850 V
p
3-32 VDC
RS1A40D10
RS1A40D25
RS1A40D40
18-36 VAC/DC
RS1A40LA10
RS1A40LA25
RS1A40LA40
480 VACrms
1200 V
p
4-32 VDC
RS1A48D10
RS1A48D25
RS1A48D40
18-36 VAC/DC
RS1A48LA10
RS1A48LA25
RS1A48LA40
Zero switching AC Solid State Relay
Direct copper bonding (DCB) technology
LED indication
Clip-on IP 20 protection cover
Self-lifting terminals
Housing free of moulding mass
2 input ranges: 3-32 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
Integrated snubber network in 25 A and 40 A types
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 switches ON when the
sinusoidal voltage crosses
zero and switches OFF when
Solid State Relay
Number of poles
Switching mode
Rated operational voltage
Control voltage
Rated operational current
Ordering Key
Solid State Relays
the current crosses zero. The
LED indicates the status of
the control input. The clip-on
cover is securing touch pro-
tection to IP 20. Output ter-
minals can handle cables up
to 16 mm
2
.
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 480VAC types
Selection Guide
Industrial, 1-Phase ZS w. LED
Types RS 23, RS 40, RS 48
RS 1 A 23 D 25
General Specifications
RS1A23...
RS1A40...
RS1A48...
Operational voltage range
42 to 265 VACrms
42 to 440 VACrms
42 to 530 VACrms
Non-rep. peak voltage
650 V
p
850 V
p
1000 V
p
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
UL, cUL, CSA
UL, cUL, CSA
UL, cUL, CSA
CE-marking
Yes
Yes
Yes
(external filter for EN 50081-1 needed)
2
Specifications are subject to change without notice (07.10.2003)
RS1A
Output Specifications
Thermal Specifications
Input Specifications
RS1A..D..
RS1A..LA...
Control voltage
18-36 VAC/DC
RS1.23..,RS1.40.
3-32 VDC
RS1.48..
4-32 VDC
Pick-up voltage
18 VAC/DC
RS1.23..,RS1.40.
2.75 VDC
RS1.48..
3.75 VDC
Reverse voltage
32 VDC
-
Drop out voltage
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
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
RS1A...10
RS1A...25
RS1A...40
Rated operational current
AC51 @ Ta=25C
10 Arms
25 Arms
40 Arms
Min. operational current
150 mA
150 mA
150 mA
Rep. overload current t=1 s
< 12 AACrms
< 37 AACrms
< 60 AACrms
Non-rep. surge current t=10 ms
100 A
p
230 A
p
300 A
p
Off-state leakage current @ rated
voltage and frequency
< 3 mArms
< 3 mArms
< 3 mArms
I
2
t for fusing t=1-10 ms
50 A
2
s
310 A
2
s
450 A
2
s
Critical dI/dt
10 A/s
50 A/s
100 A/s
On-state voltage drop @ rated current
1.6 Vrms
1.6 Vrms
1.6 Vrms
Critical dV/dt off-state
250 V/s
250 V/s
250 V/s
Rated insulation voltage
4000 VACrms
Input to output
Rated insulation voltage
4000 VACrms
Output to case
Insulation
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
Housing Specifications
Specifications are subject to change without notice (07.10.2003)
3
RS1A
Heatsink Dimensions
(load current versus ambient temperature)
RS10.
3.34
2.58
1.81
1.04
0.27
-
4.25
3.37
2.49
1.61
0.73
-
5.41
4.38
3.36
2.33
1.31
0.28
6.92
5.70
4.49
3.27
2.06
0.84
8.96
7.49
6.02
4.55
3.08
1.61
11.9
10.0
8.19
6.36
4.53
2.69
16.2
13.9
11.5
9.10
6.72
4.34
23.7
20.3
17.0
13.7
10.4
7.12
38.6
33.4
28.3
23.1
17.9
12.7
-
-
-
-
-
29.7
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
Load
current [A]
Thermal resistance
[K/W]
T
A
Ambient temp. [
C]
Power
dissipation [W]
13.0
11.3
9.7
8.2
6.8
5.5
4.2
3.0
1.9
0.9
20
30
40
50
60
70
RS25.
2.31
1.96
1.62
1.28
0.93
0.59
2.85
2.45
2.06
1.66
1.27
0.87
3.49
3.03
2.56
2.10
1.64
1.18
4.17
3.63
3.08
2.53
1.99
1.44
5.11
4.44
3.78
3.12
2.45
1.79
6.43
5.60
4.77
3.95
3.12
2.29
8.45
7.37
6.29
5.21
4.12
3.04
11.85 10.35
8.84
7.33
5.83
4.32
18.7
16.4
14.0 11.63
9.27
6.90
-
-
-
24.6
19.7
14.7
25.0
22.5
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
Load
current [A]
Thermal resistance
[K/W]
T
A
Ambient temp. [
C]
Power
dissipation [W]
29
25
22
18
15
12
9
7
4
2
20
30
40
50
60
70
Junction to ambient thermal resistance, R
th j-a
< 40.0 K/W
Junction to BTB tab thermal resistance, R
th j-t
< 2.00
K/W
BTB tab to case thermal resistance, R
th t-s
< 2.60
K/W
Case to heatsink thermal resistance, R
th c-s
< 0.20
K/W
Maximum allowable BTB case temperature
100
deg.C
Maximum allowable junction temperature
125
deg.C
Junction to ambient thermal resistance, R
th j-a
< 20.0 K/W
Junction to case thermal resistance, R
th j-c
< 1.10
K/W
Case to heatsink thermal resistance, R
th c-s
< 0.20
K/W
Maximum allowable case temperature
100
deg.C
Maximum allowable junction temperature
125
deg.C
Carlo Gavazzi Heatsink
Thermal
...for power
(see Accessories)
resistance... dissipation
No heatsink required
---
N/A
RHS 300
5.00 K/W
> 0 W
RHS 100
3.00 K/W
> 25 W
RHS 45A
2.70 K/W
> 60 W
RHS 45B
2.00 K/W
> 60 W
RHS 90
1.35 K/W
> 60 W
RHS 45A plus fan
1.25 K/W
> 0 W
RHS 45B plus fan
1.20 K/W
> 0 W
RHS 112
1.10 K/W
> 100 W
RHS 301
0.80 K/W
> 70 W
RHS 90 plus fan
0.45 K/W
> 0 W
RHS 112 plus fan
0.40 K/W
> 0 W
RHS 301 plus fan
0.25 K/W
> 0 W
Consult your distribution
> 0.25 K/W
N/A
Infinite heatsink - No solution
---
N/A
Heatsink Selection
Heatsink Dimensions
(cont.)
RS40..
1.25
1.04
0.82
0.61
0.39
0.18
1.59
1.35
1.10
0.85
0.60
0.36
2.02
1.74
1.45
1.16
0.87
0.58
2.53
2.19
1.85
1.51
1.17
0.83
3.12
2.70
2.29
1.87
1.46
1.04
3.95
3.43
2.91
2.39
1.87
1.35
5.21
4.53
3.85
3.18
2.50
1.83
7.33
6.39
5.45
4.51
3.57
2.62
11.63 10.16
8.68
7.20
5.72
4.24
24.6
21.5
18.4
15.3
12.2
9.12
40.0
36.0
32.0
28.0
24.0
20.0
16.0
12.0
8.0
4.0
Load
current [A]
Thermal resistance
[K/W]
T
A
Ambient temp. [
C]
Power
dissipation [W]
47
41
35
29
24
19
15
11
7
3
20
30
40
50
60
70
Junction to ambient thermal resistance, R
th j-a
< 20.0 K/W
Junction to case thermal resistance, R
th j-c
< 0.80
K/W
Case to heatsink thermal resistance, R
th c-s
< 0.20
K/W
Maximum allowable case temperature
100
deg.C
Maximum allowable junction temperature
125
deg.C
4
Specifications are subject to change without notice (07.10.2003)
RS1A
Fast-on terminals
All accessories can be ordered pre-assembled with Solid State Relays.
Other accessories include DIN rail adaptors, fuses, varistors and spacers.
For futher information refer to Accessories datasheets.
Fast-on tabs
Type R..F.
Screw mounted
fast-on terminals
Flat (0) and angled (45)
orientation
Input tab width: 4.8mm
Output tab with: 6.3mm
Tab dimensions accord-
ing to DIN 46342 part 1
Pure tin-plated brass
RS, RM Solid State Relay
Fast-on terminals
Tab orientation
Ordering Key
RS1A48D40 F 4
*
0: Flat (0)
4: Angled (45)
*
Other Accessories
Heatsinks and fans
Type RHS....
0.25 to 5.00 k/W
Single and dual
relay types
Touch safety cover
Type RMIP20
IP20 protection degree
Pack size: 20 pieces
Dimensions
Functional Diagram
1(+)
2(-)
3
4
REGULATION
ZC
1(~)
2(~)
3
4
REGULA
TION
ZC
DC Control Voltage
AC Control Voltage
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