Solid State Relays
System Monitoring Relays (Sense Relay)
Type RA.... .....S
• System (line and load) monitoring relay
• Zero switching
• Rated operational current: 25, 50, 90 and 110 AACrms
• Rated operational voltage: 120, 230, 400 and 480 VACrms
• High surge current capability
• Alarm output signal
• LED indication for alarm and supply
Product Description
The system monitoring solid
state relay (sense relay) pro-
vides an alarm output in the
event of a circuit failure.
Internal circuits monitor:
- line voltage/line current
- correct functioning
of the SSR
- SSR input status
The relay is designed for
applications where immediate
fault detection is required.
A red LED indicates an
alarm, a green LED indicates
DC control supply OK (half
LED light intensity) resp.
relay switched ON (full LED
light intensity).
Ordering Key
Solid State Relay
Switching mode
Rated operational voltage
Rated operational current
Control input
Non-rep. peak voltage
Alarm output type
Sense SSR
RA 23 25 H 06 NO S
Type Selection
Switching mode
A: Zero switching
Rated operational
voltage
12: 120 VACrms
23: 230 VACrms
40: 400 VACrms
48: 480 VACrms
Rated operational
current input
25: 25 AACrms
50: 50 AACrms
90: 90 AACrms
110: 110 AACrms
Control
voltage
H: Active high
Non-rep. peak
type
06: 650 V
p
10: 1000 V
p
12: 1200 V
p
Alarm output
NO: NPN, NO
NC: NPN, NC
PO: PNP, NO
PC: PNP, NC
Selection Guide
Rated
op.
voltage
120
VACrms
230
VACrms
400
VACrms
480
VACrms
Control
input
Active high
Alarm
output
type
NPN, NO
NPN, NC
PNP, NO
PNP, NC
NPN, NO
NPN, NC
PNP, NO
PNP, NC
NPN, NO
NPN, NC
PNP, NO
PNP, NC
NPN, NO
NPN, NC
PNP, NO
PNP, NC
Rated operational current
25 AACrms
RA 1225 H06NOS
RA 1225 H06NCS
RA 1225 H06POS
RA 1225 H06PCS
RA 2325 H06NOS
RA 2325 H06NCS
RA 2325 H06POS
RA 2325 H06PCS
RA 4025 H10NOS
RA 4025 H10NCS
RA 4025 H10POS
RA 4025 H10PCS
RA 4825 H12NOS
RA 4825 H12NCS
RA 4825 H12POS
RA 4825 H12PCS
50 AACrms
RA 1250 H06NOS
RA 1250 H06NCS
RA 1250 H06POS
RA 1250 H06PCS
RA 2350 H06NOS
RA 2350 H06NCS
RA 2350 H06POS
RA 2350 H06PCS
RA 4050 H10NOS
RA 4050 H10NCS
RA 4050 H10POS
RA 4050 H10PCS
RA 4850 H12NOS
RA 4850 H12NCS
RA 4850 H12POS
RA 4850 H12PCS
90 AACrms
RA 1290 H06NOS
RA 1290 H06NCS
RA 1290 H06POS
RA 1290 H06PCS
RA 2390 H06NOS
RA 2390 H06NCS
RA 2390 H06POS
RA 2390 H06PCS
RA 4090 H10NOS
RA 4090 H10NCS
RA 4090 H10POS
RA 4090 H10PCS
RA 4890 H12NOS
RA 4890 H12NCS
RA 4890 H12POS
RA 4890 H12PCS
110 AACrms
RA 12110 H06NOS
RA 12110 H06NCS
RA 12110 H06POS
RA 12110 H06PCS
RA 23110 H06NOS
RA 23110 H06NCS
RA 23110 H06POS
RA 23110 H06PCS
RA 40110 H10NOS
RA 40110 H10NCS
RA 40110 H10POS
RA 40110 H10PCS
RA 48110 H12NOS
RA 48110 H12NCS
RA 48110 H12POS
RA 48110 H12PCS
Active high
Active high
Active high
Specifications are subject to change without notice (30.09.2005)
1
RA.... .....S
General Specifications
RA12...06..S
Operational voltage range
Non-rep. peak voltage
Zero voltage turn-on
Operational frequency range
Power factor cos
ϕ
Approvals
CE-marking
60 to 140 VACrms
650 V
p
≤
15 V
45 to 65 Hz
≥
0.5 @ 120 VACrms
UL, CSA
Yes
RA23...06..S
170 to 250 VACrms
650 V
p
≤
15 V
45 to 65 Hz
≥
0.5 @ 230 VACrms
UL, CSA
Yes
RA40...10..S
150 to 440 VACrms
1000 V
p
≤
15 V
45 to 65 Hz
≥
0.5 @ 400 VACrms
UL, CSA
Yes
RA48...12..S
180 to 530 VAC
1200 V
p
≤
25 V
45 to 65 Hz
≥
0.5 @ 480 VACrms
UL, CSA
Yes
Control Specifications
Supply voltage range
Supply current @ 24 VDC
Response time pick-up @ 50 Hz
Response time drop-out @ 50 Hz
Active high control input
Pick-up voltage
Drop-out voltage
Input current (Vc = 32 V)
20 to 32 VDC
≤
40 mA DC
≤
10 ms
≤
10 ms
Typ. 7 VDC
Typ. 6.8 VDC
≤
4 mA
PNP Alarm output
Alarm output voltage open
Alarm output voltage @ 100 mA
Alarm output current
NPN Alarm output
Alarm output voltage open
Alarm output voltage @ 100 mA
Alarm output current
0 VDC
Vcc - 2 VDC
≤
100 mA
≤
32 VDC
2 VDC
≤
100 mA
Output Specifications
RA..25.06..S
Rated operational current AC 51
AC 53a
Min. operational load current
Non-rep. surge current t=10 ms
Off-state leakage current
@ rated voltage and frequency
I
2
t for fusing t=1-10 ms
Critical dv/dt
≤
25 Arms
5 Arms
≤
200 mA
≤
300 A
p
≤
6 mA
≤
450 A
2
s
≥
500 V/µs
RA..50.06..S
≤
50 Arms
15 Arms
≤
200 mA
≤
580 A
p
≤
6 mA
≤
1680 A
2
s
≥
500 V/µs
RA..90.10..S
≤
90 Arms
20 Arms
≤
200 mA
≤
1150 A
p
≤
6 mA
≤
6600 A
2
s
≥
500 V/µs
RA..110.12..S
≤
110 Arms
30 Arms
≤
200 mA
≤
1900 A
p
≤
6 mA
≤
18000 A
2
s
≥
500 V/µs
Sense Specifications
RA12..06..S
Current
Sensed load current
Non-sensed leakage current
Voltage
Sensed line voltage
Non-sensed line voltage
Timing
Response time from fault to
alarm output
Short-circuit of semiconductor
≥
50 mA
≤
20 mA
≥
60 Vrms
≤
30 Vrms
≤
100 ms
Will be sensed
RA23..06..S
≥
50 mA
≤
20 mA
≥
120 Vrms
≤
50 Vrms
≤
100 ms
Will be sensed
RA40..10..S
≥
50 mA
≤
20 mA
≥
150 Vrms
≤
80 Vrms
≤
100 ms
Will be sensed
RA48..12..S
≥
50 mA
≤
20 mA
≥
180 Vrms
≤
100 Vrms
≤
100 ms
Will be sensed
2
Specifications are subject to change without notice (30.09.2005)
RA.... .....S
Thermal Specifications
RA..25.....S
Operating temperature
Storage temperature
Junction temperature
R
th
junction to case
R
th
junction to ambient
-20° to +70°C
(-4° to +158°F)
-40° to +100°C
(-40° to +212°C)
≤
125°C (257ºF)
≤
1.25 K/W
≤
12 K/W
RA..50.....S
-20° to +70°C
(-4° to +158°F)
-40° to +100°C
(-40° to +212°C)
≤
125°C (257ºF)
≤
0.65 K/W
≤
12 K/W
RA..90.....S
-20° to +70°C
(-4° to +158°F)
-40° to +100°C
(-40° to +212°C)
≤
125°C (257ºF)
≤
0.35 K/W
≤
12 K/W
RA..110.....S
-20° to +70°C
(-4° to +158°F)
-40° to +100°C
(-40° to +212°C)
≤
125°C (257ºF)
≤
0.30 K/W
≤
12 K/W
Insulation
Rated insulation voltage
Input to output
Rated insulation voltage
Output to case
≥
4000 VACrms
≥
4000 VACrms
Wiring Diagrams
RAxxxxxxNxS
+3
Control input 6
Alarm output
7
4
2
IC
Line/load
1
Functional Diagram
VCC
Mains input/load output
3
Control
input
Alarm
output
Com.
2
RAxxxxxxPxS
+3
Control input 6
Alarm output 7
4
3+
4-
5 Not con.
6 Control
7 Alarm
6
7
C/V
C/V
2
IC
Line/load
1
4
1
Load output/mains input
Operation Diagram
Normal
Relay
OFF
Line Voltage
Load Current
Control
Green LED
DC Supply
Red LED
Alarm output (normally open type)
= Half LED light intensity
Operation
Relay
ON
Line
Voltage
Loss
Line
Voltage
Loss
Load
Open
Circuit
DC
Supply
Loss
DC
Supply
Loss
Relay
Remains
OFF
Shorted
Relay
Shorted
Relay
Specifications are subject to change without notice (30.09.2005)
3
RA.... .....S
Heatsink Dimensions
RA ..25 .....S
Load
current [A]
Thermal resistance
[K/W]
(load current versus ambient temperature)
RA ..50 .....S
Power dissipa-
tion [W]
Load
current [A]
Thermal resistance
[K/W]
Power dissipa-
tion [W]
25
22.5
20
17.5
15
12.5
10
7.5
5
2.5
2
2.5
3.1
4
4.9
6.2
8.1
11.3
-
-
20
1.7
2.1
2.7
3.5
4.3
5.4
7.1
9.9
15.6
-
30
1.4
1.8
2.3
3
3.7
4.6
6.1
8.5
13.3
-
40
1
1.4
1.9
2.5
3.1
3.9
5.1
7.1
11.1
-
50
0.71
1
1.4
2
2.5
3.1
4
5.6
8.9
18.7
60
0.40
0.66
1
1.4
1.9
2.3
3
4.2
6.7
14
70
32
27
23
20
16
13
10
7
5
2
T
A
50
45
40
35
30
25
20
15
10
5
0.92
1.2
1.5
1.9
2.4
3
3.9
5.5
8.6
17.9
20
0.76
0.99
1.3
1.6
2.1
2.7
3.5
4.8
7.5
15.6
30
0.60
0.80
1.1
1.4
1.8
2.3
3
4.1
6.4
13.4
40
0.45
0.62
0.85
1.1
1.5
1.9
2.5
3.4
5.4
11.2
50
0.29
0.44
0.63
0.89
1.2
1.5
2
2.7
4.3
8,9
60
-
0.26
0.42
0.63
0.91
1.1
1.5
2.1
3.2
6.7
70
63
55
47
40
33
26
20
15
9
4
T
A
Ambient temp. [°C]
Ambient temp. [°C]
RA ..90 .....S
Load
current [A]
Thermal resistance
[K/W]
Power dissipa-
tion [W]
RA ..110 .....S
Load
current [A]
Thermal resistance
[K/W]
Power dissipa-
tion [W]
90
80
70
60
50
40
30
20
10
0.63
0.81
1
1.3
1.7
2.2
3.1
4.8
10
20
0.53
0.69
0.89
1.2
1.5
1.9
2.7
4.2
8.8
30
0.42
0.57
0.75
1
1.3
1.7
2.3
3.6
7.5
40
0.32
0.45
0.61
0.83
1.1
1.4
1.9
3
6.3
50
-
0.33
0.47
0.66
0.85
1.1
1.5
2.4
5
60
-
-
0.33
0.49
0.64
0.83
1.2
1.8
3.8
70
97
84
71
59
47
36
26
17
8
T
A
110
90
80
70
60
50
40
30
20
10
0.43
0.63
0.81
1
1.3
1.7
2.2
3.1
4.8
10
20
0.35
0.53
0.69
0.89
1.2
1.5
1.9
2.7
4.2
8.8
30
0.27
0.42
0.57
0.75
1
1.3
1.7
2.3
3.6
7.5
40
-
0.32
0.45
0.61
0.83
1.1
1.4
1.9
3
6.3
50
-
-
0.33
0.47
0.66
0.85
1.1
1.5
2.4
5
60
-
-
-
0.33
0.49
0.64
0.83
1.2
1.8
3.8
70
126
97
84
71
59
47
36
26
17
8
T
A
Ambient temp. [°C]
Ambient temp. [°C]
Heatsink Selection
Carlo Gavazzi Heatsink
Thermal
...for power
(See “General Accessories”)
resistance.. dissipation
No heatsink required
---
N/A
RHS 300
5.00 K/W
>0W
RHS 100
3.00 K/W
> 25 W
RHS 45C
2.70 K/W
> 60 W
RHS 45B
2.00 K/W
> 60 W
RHS 90A
1.35 K/W
> 60 W
RHS 45A plus fan
1.25 K/W
>0W
RHS 45B plus fan
1.20 K/W
>0W
RHS 112A
1.10 K/W
> 100 W
RHS 301
0.80 K/W
> 70 W
RHS 90A plus fan
0.45 K/W
>0W
RHS 112A plus fan
0.40 K/W
>0W
RHS 301 plus fan
0.25 K/W
>0W
Consult your distributor
> 0.25 K/W
N/A
Infinite heatsink - No solution
---
N/A
Housing Specifications
Weight
Housing material
Base plate 25, 50 A
90, 110 A
Potting compound
Relay
Mounting screws
Mounting torque
Power terminal
Mounting screws
Mounting torque
Control connector
Approx. 110 g
Noryl GFN 1, black
Aluminium, nickel-plated
Coper, nickel-plated
Polyurethane
M5
≤
1.5 Nm
M5 x 6
≤
2.4 Nm
5 pole,
centre distance 2.54 mm
4
Specifications are subject to change without notice (30.09.2005)
RA.... .....S
Dimensions
Accessories
Heatsinks
DIN rail adapter
Varistors
Fuses
Connector for ribbon cable:
Header for PCB mounting:
Ribbon cable:
Methode 1300-105-424
Methode 1100-8-105-01
5 x 0.5 mm
2
,
centre distance 2.54 mm
Ribbon Cable Selection
RCS 5-200-0*
R-System
Cable sense
5-wire
Cable length in cm
*
All dimensions in mm
0: No connector mounted (Method 1300-105-424)
1: 1 connector mounted
2: 2 connectors mounted
Specifications are subject to change without notice (30.09.2005)
5
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