Circuit Diagram (relay top view)
54 53
34 33
64
63
44
43
22
21
11
A1A2
12
SIF422
Insulation Data
- Double or reinforced insulation at 250 VAC
- Air and creepage distance >5,5 mm
- Test voltage 4000 V / 50 Hz / 1 min
Test voltage contact open 1500 V / 50 Hz / 1 min
Creepage resistance CTI 175
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 20 ms
Drop-out time** (NC closed) typically 8 ms
Bounce time of NO contact typically 1,5 ms
Bounce time of NC contact typically 15 ms
Shock resistance 16 ms NO > 10g
NC > 6g
Vibration resistance NO > 10g
(10-200 Hz) NC > 2g
Resistance to short circuiting contacts NO
1000 A SCPD 10 A gG / gL (pre-fuse)
Resistance to short circuiting contacts NC
1000 A SCPD 6 A gG / gL (pre-fuse)
Ambient temperature -40°C to +70°C
Thermal Resistance 47 K / W
Temperature limit for coil 120°C
Weight approx. 35 g
Mounting position any
Mounting distance rec. >5 mm
Test method A / group assembly
Type of protection RT II
Solder bath temperature 270°C / 5 s
**without spark suppression
Tests, Regulations, Standards
Approvals
UL File E188953 Sec. 6
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
SIF 4 2 2 24VDC
Nominal voltage
Solder terminals
Number of NC contacts
Number of NO contacts
Type designation
Contact Lifetime for 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
Maximal switching characteristics (EN60947-5-1)
AC 1: 250 V / 8 A
AC 15: 230 V / 5 A
DC 1: 24 V / 8 A
DC 13: 24 V / 5 A / 0,1 Hz
UL 508: B300 / R300
Maximal contact load at AC 1 with 230 V:
2 contacts with 8 A each
3 contacts with 6 A each
4 contacts with 4,5 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
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
3,0
20 40 60 80 100
UB
UN
1
2
Max. excitation voltage with contact load: ≤5 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 1 000 →
Current (A) →
Voltage (VDC) →
Ambient Temperature °C →
Relay Key Data
- PCB relay with forcibly guided contacts
- Protective separation between coil and contacts
(>5,5 mm) and contacts side by side (>5,5mm)
- IEC 61810-3 Type A
- Double and reinforced insulation
- SMD placement under relay possible
- Contact mounting: SIF422 4 NO / 2 NC
- Small height: only 10,9 mm
- Nominal coil power 0,66 W
- Holding coil power 0,20 W
- Coil for railway application according EN 50155 on
request
Dimensions
[mm]
53,6
47,4 3,1
1
3,1
10,92,9
2,2
33,5
30,4 1,51,6
0,5
1,2
**
**
** *
*
15,815,8 15,8 4,14,1
1,61,5
3,1
15,4 7,5 7,5
3,3
3,13,1
Ø1,3
* do not drill with SMD assembly under the relay
** Open breathing hole
Contact Data
Contact material AgCuNi + 0,2 µm Au
Type of contact Single contact with notched crown
Rated switching capacity 250 VAC 8 A AC1 2 000 VA
Electr. Life AC1(360 S / h) approx.100000
Inrush current max. 30 A for 20 ms
Switching voltage range 5 to 250 VDC / VAC
Switching current range* 3 mA to 8 A
Switching capacity range* 40 mW to 2000 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
VDC at 20 °C
Drop-out voltage
VDC at 20 °C
Nominal current in
mA at 20 °C
Resistance in Ohm
at 20 °C
5≤3,5 ≥0,5 133,3 37,5 ± 10%
12 ≤8,4 ≥1,2 55,8 215,0 ± 10%
18 ≤12,6 ≥1,8 38,9 490,0 ± 10%
20 ≤14,0 ≥2,0 33,3 600,0 ± 10%
24 ≤16,8 ≥2,4 27,5 870,0 ± 10%
48 ≤33,6 ≥4,8 13,8 3 460,0 ± 10%
60 ≤42,0 ≥6,0 11,1 5 400,0 ± 13%
110 ≤77,0 ≥11,0 6,0 18300,0 ± 15%
SIF 6 Series
© Copyright
02/2019
ELESTA GmbH, Heuteilstrasse 18,
CH - 7310 Bad Ragaz, Switzerland
Phone: +41 81 303 54 00
