© Copyright
06/2019
ELESTA GmbH, Heuteilstrasse 18,
CH - 7310 Bad Ragaz, Switzerland
Phone: +41 81 303 54 00
Circuit Diagram (relay top view)
24 23
11
12
A1A2 SIS112
Insulation Data
- Basic insulation at 250 VAC
- Air and creepage distance >4 mm
- Test voltage 2 500 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 175
Pollution degree 2
Overvoltage category III
Insulation resistance at Up 500 VDC >100 MΩ
Additional Data
Mechanical endurance >10x106 operations
Switching frequency, mechanical 15 Hz
Response time (NO closed) typically 10 ms
Drop-out time*** (NC closed) typically 3 ms
Bounce time of NO contact typically 2 ms
Bounce time of NC contact typically 15 ms
Shock resistance 16 ms NO > 17g
NC > 7g
Vibration resistance NO > 7g
(10-200 Hz) NC > 2g
Resistance to short circuiting contacts
1 000A SCPD 6 A gG / gL (pre-fuse)
Ambient temperature -40°C to +85 °C
Thermal Resistance 55 K / W
Temperature limit for coil 120 °C
Weight approx. 18 g
Mounting position any
Mounting distance rec. >1 mm
Test method A / group assembly
Type of protection RT III
Solder bath temperature 270°C / 5 s
***without spark suppression
Tests, Regulations, Standards
Approvals UL, cUL, TÜV
UL File E188953 Sec. 5
Insulation class IEC 60664-1 250 VAC
Fire protection requirements UL 94 / V0
Standards IEC 61810-1, IEC 61810-3
Options, Accessories
DIN rail socket
Pin length 2,2 to 3,8 mm
Product Key
SIS 1 1 2 24VDC
Nominal voltage
Solder terminals
Number of NC contacts
Number of NO contacts
Type designation
Contact Lifetime for NO Contact
10000
1000
5000
100
500
10
50
0,1 0,5 1 2 3 4 5 6 7 89
10
AC 1:230VAC 1:230V
DC 1: 24V
DC 1: 24V
AC 15: 230V
AC 15: 230V
DC 13: 24V
DC 13: 24V
Maximal switching characteristics (DIN EN 60947-5-1)
AC 1: 250 V / 6 A
AC 15: 230 V / 3 A
DC 1: 24 V / 6 A
DC 13: 24 V / 5 A / 0,1 Hz
UL 508: B300 / R300
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
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: ≤4 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%.
Operations x 1 000 →
Switching Current (A) →
Current (A) →
Voltage (VDC) →
Ambient Temperature °C →
Relay Key Data
- PCB relay with forcibly guided contacts
- Protective separation between control and load circuit
(leakage and creepage distances >10 mm)
- IEC 61810-3 Type A
- Double and reinforced insulation between the contacts
- Contact mounting: SIS112 1 NO / 1 NC
- Small external dimensions
- Nominal coil power 0,27 W
- Holding coil power 0,08 W
- Coils for railway applications according to EN 50155
on request
Dimensions
[mm]
29,2
1,61,6
0,40,4 0,3
2,8*
0,2
16,5 ±0,2
16,6
1
1,6
1,6
18,7
Ø 1,3
6 2,32,2
4,2 15 7,7 2,3
29,2
3,3
3,3103,3
11
16,6
2,3
*with 2,2 mm or 3,8 mm length available
Contact Data
Contact material AgCuNi +0,2-0,4 µm Au
Type of contact Single contact with notched crown
Rated switching capacity 250 VAC 6 A AC1 1500 VA
Electr. Life AC1 (360 S / h) >90 000
Inrush current max. 30 A for 20 ms
Switching voltage range 5 to 250 VDC / VAC
Switching current range** 3 mA to 6 A
Switching capacity range** 40 mW to 1500 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 54,9 91 ± 10%
6≤4,2 ≥0,6 46,1 130 ± 10%
9≤6,3 ≥0,9 30,5 295 ± 10%
12 ≤8,4 ≥1,2 23,0 520 ± 10%
18 ≤12,6 ≥1,8 15,2 1180 ± 10%
24 ≤16,8 ≥2,4 11,4 2100 ± 10%
48 ≤33,6 ≥4,8 5,7 8350 ± 13%
60 ≤42,0 ≥6,0 4,5 13100 ± 15%
SIS 2 Series
