SIR 282 sensitive Series
will be replaced by SGR282ZK
Relay Key Data
- PCB Relay with forcibly guided contacts
- Protective separation between coil and contacts
(leakage and creepage distances >14mm); protective
separation diagonally between left and right contact
side (leakage and creepage distances >5.5mm)
- EN50205 type B
- 2 CO contacts
- Mean coil power approx. 0.7W
- Holding coil power 0.21W
- For railway application (EN50155) on request
Circuit Diagram (view on relay upper side)
Contact Lifetime for NO Contacts
10000
AC 1:230V
AC 15: 230V
AC 1: 400V
DC 1: 24V
24 14
21 11
22 12
Operations x 1000
1000
SIR282SEN
A2
Insulation Data
- Double or reinforced insulation
at 250VAC
- Air and creepage distance
>5.5mm
- Test voltage
4‘000V/50Hz/1min
- Double or reinforced insulation
at 250VAC
- Air and creepage distance
>14mm
- Test voltage
5‘000V/50Hz/1min
1‘500V/50Hz/1min
Test voltage contact open
Creepage resistance
CTI 250
2
Pollution degree
Overvoltage category
III
Insulation resistance at Up 500VDC
>100MΩ
100
DC 13: 24V
Dimensions
30.2
25.6
12.7
A1
10
0.1
0.5
1.0
5.0
10
Switching Current (A)
Maximal switching characteristics (DIN EN60947-5-1,
Tab. C2)
AC 15:
230V / 5A
DC 13:
24V / 6A
UL 508:
C300
Maximal contact load at AC 1 with 230V:
2 contacts with 8A each
3.7
2.6
5 5
15
2.6
7.5
[mm]
0.3
1
si
g
>10x10
6
operations
15Hz
typically 12ms
typically 5ms
typically 4ms
typically 8ms
NO > 10g
NC > 2.5g
NO > 10g
NC > 1g
Ø1.3
2.5/2.54
Contact Data
Contact material
AgSnO
2
+0.2µm Au
Type of contact
Single contact
Rated switching capacity
250VAC 8A AC1 2‘000VA
Electr. life AC 1(360 cycles/h)
approx.100‘000
Inrush current max.
15A for 20ms
Switching voltage range
5 to 250 VDC/VAC
Switching current range*
10mA to 8A
120mW to 2‘000W(VA)
Switching capacity range*
Contact resistance (as delivered)
≤100mΩ/28V/100mA
*Guided values
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
de
ns
8
6
4
3
2
Current (A)
Load Limit Curve with Direct Current
ew
1
0.8
0.6
0.4
0.3
0.2
1
2
rn
(other voltages on request)
Min. pick-up voltage
at 20 °C
Drop-out voltage at
20 °C
Resistance in Ohm
at 20 °C
ot
Standard coils for direct current
Nominal voltage
VDC
Nominal current
in mA
Vibration resistance
(10-55Hz)
Resistance to short circuiting contacts
1‘000A SCPD 10A gG/gL (pre-fuse)
Ambient temperature
-40°C to +70°C
Thermal Resistance
50K/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
fo
1) Inductive load L/R 40ms
2) Resistive load
0.1
0
50
100
Voltage (VDC)
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
5
6
12
18
24
48
60
110
3.75
4.5
9.0
13.5
18.0
36.0
45
82.5
≥0.5
≥0.6
≥1.2
≥1.8
≥2.4
≥4.8
≥6.0
≥11.0
144.0
120.0
60.0
40.0
30.0
15.0
12.0
6.5
34.7 ± 10%
50 ± 10%
200 ± 10%
450 ± 10%
800 ± 10%
3‘200 ± 10%
5‘000 ± 13%
16‘800 ± 15%
N
Tests, Regulations
Approvals
UL File E188953
Insulation class IEC 60664-1
Protection class II
Fire protection requirements
Sec. 1
250VAC
VDE 0106
UL 94 / V1
0
20
40
60
80
100
Options, Accessories
PCB socket, DIN rail socket
Sealed RT III
Dust resistant with O-Ring
see page 28
on request
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%.
Product Key
SIR282 24VDC SEN 08
O-ring dust-resistant
sensitive coil
Coil voltage
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
