26 © Copyright
12/2014
ELESTA GmbH, Heuteilstrasse 18,
CH - 7310 Bad Ragaz, Switzerland
Fon: +41 (0)81 303 54 00
Fax: +41 (0)81 303 54 01
Circuit Diagram (view on relay upper side)
73 83
74 84
53 63
54 64
32 43
34 44
12 22
11 21
A1 A2
73 83
74 84
53 63
54 64
33 43
34 44
13 22
14 21
A1 A2
73 83
74 84
52 62
51 61
32 42
31 41
12 23
11 24
A1 A2
73 83
74 84
53 63
54 64
32 42
31 41
12 22
11 21
A1 A2
73 83
74 84
53 63
54 64
33 42
34 41
12 22
11 21
A1 A2
SIR352
73 83
74 84
52 62
51 61
32 42
31 41
12 22
11 21
A1 A2
SIR262 SIR442
SIR532 SIR712SIR622
Insulation Data
- Double or reinforced insulation at 250 VAC
- Air and creepage distance >8 mm
- Test voltage 4000 V / 50 Hz / 1 min
- Double or reinforced insulation at 250 VAC
- Air and creepage distance >10 mm
- Test voltage 5000 V / 50 Hz / 1 min
Test voltage contact open 1500 V / 50 Hz / 1 min
Creepage resistance CTI 250
Pollution degree 2
Overvoltage category III
Insulation resistance at Up 500 VDC >100 MΩ
Additional Data
Mechanical endurance >10 x 106 operations
Switching frequency, mechanical 15 Hz
Response time (all NO closed) typically 15 ms
Drop-out time** (all NC closed) typically 4 ms
Bounce time of NO contact typically 6 ms
Bounce time of NC contact typically 12 ms
Shock resistance 16 ms NO > 10g
NC > 6g
Vibration resistance NO > 8g
(10-200 Hz) NC > 2,5g
Resistance to short circuiting contacts
1000 A SCPD 10 A gG / gL (pre-fuse)
Ambient temperature -40°C to +70°C
Thermal Resistance 40 K / W
Temperature limit for coil 125°C
Weight ca. 60 g
Mounting position any
Type of protection RT II
Solder bath temperature 270°C / 5 s
**without spark suppression
Tests, Regulations
Approvals
UL File E188953 Sec. 3
Insulation class IEC 60664-1 250 VAC
Protection class II VDE 0106
Fire protection requirements UL 94 / V0
Options, Accessories
none available
Product Key
SIR 3 5 2 24VDC Coil voltage
Soldering tags
Number of NC contacts
Number of NO contacts
Type designation
Contact Lifetime NO-Contacts
AC 1:230VAC 1:230V
DC 1: 24V
DC 1: 24V
AC 15: 230V
AC 15: 230V
DC 13: 24V
DC 13: 24V
10000
1000
100
10
0,1 0,5 1,0 5,0 10
Max. switching characteristics (DIN EN 60947-5-1,
Tab. C2):
AC 15: 230 V / 5 A
DC 13: 24 V / 7,5 A / 0,1 Hz
UL 508: C600 / R300
Maximal contact load at AC 1 with 230 V:
2 contacts with 10 A each
3 contacts with 8,4 A each
4 contacts with 7,3 A each
5 contacts with 6,5 A each
6 contacts with 6 A each
Load Limit Curve with Direct Current
1)
0
0,1
0,2
0,3
0,4
0,6
0,8
1
2
3
4
6
8
10
50 100 150 200 250
1 2
Inductive load L/R 40 ms
2) Resistive load
Excitation Voltage Range
1)
0
0
0,5
1,0
1,5
2,0
2,5
20 40 60 80 100
UB
UN
1
2
Max. excitation voltage with contact load: ≤6 A
2) Min. excitation voltage (guaranteed values) without
previous operation
No heat accumulation due to intrinsic heating of other
components. Continuous duty 100%.
Switching Current (A) →
Operations x 1000 →
Voltage (VDC) →
Current (A) →
Ambient Temperature °C →
Relay Key Data
- PCB Relay with forcibly guided contacts
- Protective separation between coil and output contacts
(>10 mm) and contacts in one row (>8 mm) as well as
protective separation between left and right contact side
(>10 mm)
- EN50205 type A
- Contact mounting:
SIR262 2 NO / 6 NC SIR352 3 NO / 5 NC
SIR442 4 NO / 4 NC SIR532 5 NO / 3 NC
SIR622 6 NO / 2 NC SIR712 7 NO / 1 NC
- Small external dimensions
- Nominal coil power 1,3 W
- Holding coil power 0,39 W
- For railway application (EN50155) on request
Dimensions
85,5
2
0,4
37,9 5 57,5 7,5 3,17,5 5 5
20
3,75
0,5
3,75
0,3
12,5 1
2
37,9 5 5 5 57,57,57,5 3,1
Ø 1,3
[mm]
Contacts Data
Contact material AgSnO2 + 0,2 µm Au
Type of contact Crest contact
Rated switching capacity 250 VAC 10 A AC1 2500 VA
Electr. life AC 1(360 cycles / h) approx.100000
Inrush current max. 25 A for 20 ms
Switching voltage range 5 to 250 VDC / VAC
Switching current range* 10 mA to 10 A
Switching capacity range* 60 mW to 2500 W(VA)
Contact resistance (as delivered) ≤100 mΩ / 6 V / 100 mA
*Guided values
Standard coils for direct current
(other voltages on request)
Nominal voltage
VDC
Min. pick-up voltage
at 20 °C
Drop-out voltage at
20 °C
Nominal current
in mA
Resistance in Ohm
at 20 °C
6 4,2 ≥0,6 218,0 27,5 ± 10%
12 8,4 ≥1,2 109,0 110 ± 10%
18 12,6 ≥1,8 72,0 250 ± 10%
24 16,8 ≥2,4 54,5 440 ± 10%
48 33,6 ≥4,8 27,2 1760 ± 10%
60 42,0 ≥6,0 11,8 2750 ± 10%
110 77,0 ≥11,0 6,8 9250 ± 13%
220 154,0 ≥22,0 5,9 37000 ± 15%
SIR 8 Series