Circuit Diagram (relay top view)
73 83
74 84
53 63
54 64
32 43
34 44
12 22
11 21
73 83
74 84
53 63
54 64
33 43
34 44
13 22
14 21
73 83
74 84
52 62
51 61
32 42
31 41
12 23
11 24
A1A2 A1A2 A1A2
A1A2 A1A2 A1A2
73 83
74 84
53 63
54 64
32 42
31 41
12 22
11 21
73 83
74 84
53 63
54 64
33 42
34 41
12 22
11 21
SIR352
73 83
74 84
52 62
51 61
32 42
31 41
12 22
11 21
SIR262 SIR442
SIR532 SIR712SIR622
Insulation Data
- Double or reinforced insulation
at 250 VAC
- Air and creepage distance >8 mm
- Test voltage 4,000 V / 50 Hz / 1 min
- Double or reinforced insulation
at 250 VAC
- Air and creepage distance >10 mm
- Test voltage 5,000 V / 50 Hz / 1 min
Test voltage contact open 1,500 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** (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
1,000 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 approx. 60 g
Mounting position any
Type of protection RT II
Solder bath temperature 270°C / 5 s
**without spark suppression
Tests, Regulations, Standards
Approvals
UL File E188953 Sec. 3
Insulation class IEC 60664-1 250 VAC
Fire protection requirements UL 94 / V0
Standards IEC 61810-1, IEC 61810-3
Options, Accessories
none available
Product Key
SIR 3 5 2 24VDC
Coil voltage
Solder terminals
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
1000
100
10
0,1 0,5 1,0 5,0 10
Maximal switching capacity (DIN EN 60947-5-1, Tab. C2):
AC 15: 230 V / 5 A
DC13: 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
Single relay on print, no heat accumulation due to sur-
rounding components with self-heating, duty cycle 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 the coil and all contacts
(>10 mm) as well as contacts one behind the other (>8
mm) and the left-hand side contacts to the right-hand
side contacts (>10 mm)
- IEC 61810-3 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
- Coils for railway applications according to EN 50155
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]
Contact Data
Contact material AgSnO2 + 0,2 μm Au
Type of contact crown contact
Rated switching capacity 250 VAC 10 A AC1 2500 VA
Electr. Life AC1 (360 S / 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 ≥1,2 109,0 110,0 ± 10%
18 12,6 ≥1,8 72,0 250,0 ± 10%
24 16,8 ≥2,4 54,5 440,0 ± 10%
48 33,6 ≥4,8 27,2 1760,0 ± 10%
60 42,0 ≥6,0 11,8 2750,0 ± 10%
110 77,0 ≥11,0 6,8 9250,0 ± 13%
220 154,0 ≥22,0 5,9 37000,0 ± 15%
SIR 8 Series
29
© Copyright
04/2018
ELESTA GmbH, Heuteilstrasse 18,
CH - 7310 Bad Ragaz, Switzerland
Phone: +41 81 303 54 00