SIF 4 Series
Relay Key Data
- PCB Relay with forcibly guided contacts
- Protective separation between coil and contacts
(>5.5mm) and contacts side by side (>5.5mm)
- EN50205 type A
- Double and reinforced insulation
- SMD arrangement below relay possible
- Contact Mounting: SIF312
3NO / 1NC
- Compact height: only 10.9mm
- Mean coil power 0.70 W
- Holding coil power 0.21 W
- For railway application (EN50155) on request
Circuit Diagram (view on relay upper side)
Contact Lifetime for NO Contacts
10000
DC 1: 24V
AC 1:230V
43
33
23
11
A1
44
34
24
12
A2
SIF312
Operations x 1000
1000
AC 15: 230V
100
DC 13: 24V
Dimensions
1.5 7.6
10.9
41
37.8
5.1 1.6
2.2
3.1
29.4
23.2
3.1
1.2
10
0.1
0.5
1.0
Switching Current (A)
5.0
10
Insulation Data
at 250VAC
- Air and creepage distance
>5.5mm
- Test voltage
4‘000V/50Hz/1min
Test voltage contact open
1‘500V/50Hz/1min
Creepage resistance
CTI 175
2
Pollution degree
Overvoltage category
III
Insulation resistance at Up 500VDC
>100MΩ
- Double or reinforced insulation
2.9
0.3
15.4
7.5 7.5 7.5 1.6
15.8 10.5
18.2 6.4
4.2
1 4.2
4.2
3.1
1.5
Maximal switching characteristics (DIN EN 60947-5-1)
AC 1:
250V / 8A
AC 15:
230V / 5A
DC 1:
24V / 8A
DC 13:
24V / 5A / 0.1Hz
UL 508:
B300 / R300
Maximal contact load at AC 1 with 230V:
2 contacts with 8A each
3 contacts with 6A each
21
23.2
Ø1.3
7.6
28.3
5.1
[mm]
Load Limit Curve with Direct Current
8
6
4
3
2
1
0.8
0.6
0.4
0.3
0.2
4.2
3.1
3.1
4.8
Additional Data
Mechanical endurance
Switching frequency, mechanical
Response time (all NO closed)
Drop-out time** (all NC closed)
Bounce time of NO contact
Bounce time of NC contact
Shock resistance 16ms
>10x10
6
operations
15Hz
typically 12ms
typically 5ms
typically 1.5ms
typically 15ms
NO > 15g
NC > 6g
NO > 10g
NC > 2g
* Do not drill when SMD arrangement
** Open breathing hole
Operations x 1000
Contact Data
Contact material
AgCuNi+0.2µm Au
Single contact with notched crown
Type of contact
Rated switching capacity
250VAC 8A AC1 2‘000VA
Electr. life AC 1(360 cycles/h)
approx.100‘000
Inrush current max.
30A for 20ms
Switching voltage range
5 to 250 VDC/VAC
3mA to 8A
Switching current range*
Switching capacity range*
40mW to 2‘000W(VA)
Contact resitance (as delivered)
≤100mΩ/6V/100mA
*Guided values
1
2
Standard coils for direct current
(other voltages on request)
Min. pick-up voltage
at 20 °C
Drop-out voltage at
20 °C
Resistance in Ohm
at 20 °C
Nominal voltage
VDC
Nominal current
in mA
Vibration resistance
(10-200Hz)
Resistance to short circuiting NO
1‘000A SCPD 10A gG/gL (pre-fuse)
Resistance to short circuiting NC
1‘000A SCPD 6A gG/gL (pre-fuse)
Ambient temperature
-40°C to +70°C
Thermal resistance
60K/W
Temperature limit for coil
120°C
Weight
ca. 20g
Mounting position
any
Type of protection
RT II
Solder bath temperature
270°C/5s
**without spark suppression
0.1
0
50
100
Switching Current (A)
1) Inductive load L/R 40ms
2) Resistive load
150
200
250
Excitation Voltage Range
3.0
2.5
2.0
1.5
1.0
0.5
U
B
U
N
0
2
1
Tests, Regulations
Approvals
5
12
18
20
24
48
60
110
≤3.5
≤8.4
≤12.6
≤14.0
≤16.8
≤33.6
≤42.0
≤77.0
≥0.5
≥1.2
≥1.8
≥2.0
≥2.4
≥4.8
≥6.0
≥11.0
140.0
58.5
39.1
35.0
29.2
14.6
11.7
6.3
37.5 ± 10%
205 ± 10%
460 ± 10%
570 ± 10%
820 ± 10%
3‘280 ± 10%
5‘100 ± 13%
17‘250 ± 15%
UL File E188953
Insulation class IEC 60664-1
Protection class II
Fire protection requirements
Sec. 6
250VAC
VDE 0106
UL 94 / V0
0
20
40
60
80
100
Ambient Temperature °C
1)
Max. excitation voltage with contact load: ≤5A
2) Min. excitation voltage (guaranteed values) without
previous operation
No heat accumulation due to intrinsic heating of
other components. Continuous duty 100%.
Options, Accessories
none available
Product Key
SIF 3 1 2 24VDC
Coil voltage
Soldering tags
Number of NC contacts
Number of NO contacts
Type designation
ELESTA relays GmbH, Heuteilstrasse 18, Fon:
CH - 7310 Bad Ragaz, Switzerland
Fax:
+41 (0)81 303 54 00
+41 (0)81 303 54 01
© Copyright
06/2013
