Power Relay SRG
■Meets UL508 and UL873 spacing
■Up to 30A switching in SPNO and 20A
switching in SPDT ar rangement
■Open type, dust, flux and fully sealed
version available
■UL, CSA and VDE recognised
Options and ordering codes
Specifications
Contact material AgSnInO
Initial contact resistance 50mΩMax
Operate time 15ms Max. (at rated voltage)
Release time 10ms Max. (at rated voltage)
Nominal operating power Approx. 930mW
Insulation resistance 100MΩ at 500VDC
Breakdown voltage Between coil and contacts SRG-1500Vrms, SRGA-2500Vrms, SRGA4-4000Vr ms
Between open contacts 1500Vrms
Vibration resistance Operating extremes 10~55Hz, amplitude 1.5mm
Damage limits 10~55Hz, amplitude 1.5mm
Shock resistance Operating extremes 10G
Damage limits 20G
Ambient temperature -55~+85˚C
Life expectancy Mechanical 10 x 106operations (frequency 18,000 operations/hour)
Electrical (at max load) 1 x 105operations (frequency 1,200 operations/hour)
Weight 27g
Contact rating
Contact for m 1A 1B 1C (SPDT)
(SPNO) (SPNC) NO NC
Maximum switching power 7500VA/600W 3750VA/300W 5000VA/600W 2500VA/300W
Maximum switching voltage 250VAC/30VDC
Maximum switching/
car ry cur rent 30A 15A 20A 10A
A1A
1B
1C
SRG 12VDCF–––
A41C
Type Coil voltage
Terminal type:
A: Meets UL508 &
UL873 spacing
4
4kv isolation
(SRGA-1A style only)
1A: SPNO
Blank: Meets UL508
1B: SPNC
1C: SPDT
Contact form:
D
Blank: Open type
D: Dust cover
FF: Flux type
SS: Fully sealed
Sealing:
UL, CSA and VDE safety approval ratings available on request
SRG
Coil specification
Rated voltage
Rated Coil Max Pick up voltage Drop out voltage Power
Cur rent ± Resistance ± continuous (Max) at 25˚C (Min) at 25˚C consumption at
10% at 25˚C 10% at voltage at rated load
(mA) 25˚C (Ω) 25˚C
5 185 27
6 150 40 130% 75% 10%
9 93 97 of rated of rated of rated Approx. 930mW
12 77 155 voltage voltage voltage
24 36 660
48 18 2560
Outline dimensions (mm)
W iring diagram PCB layout
SRG open type
24.1 max
29.0 max
17.3 max 3.3±0.5 0.8x1.6
terminals
0.64x0.64
terminals 1.1x1.1
terminals
24.1 max
29.0 max
17.3 max 3.3±0.5 0.8x1.6
terminals
0.64x0.64
terminals 1.1x1.1
terminals
27.5 max 20.4 max 3.3±0.5 3.3±0.5
4.8 27.5 max 20.4 max 4.8
20.0
24.8 20.0
24.8
17.6
12.8
2.5
32.2 max12.8
2.5
17.6
32.2 max
0.8x1.6
terminals 0.8x1.6
terminals
0.64x0.64
terminals 0.64x0.64
terminals
1.1x1.1
terminals 1.1x1.1
terminals
SRGA open type
SRG dust, flux tight, sealed SRGA dust, flux tight, sealed
SRG
SRGA
SPNO SPNC SPCO
SPNO
SRG SRGA
SPNC SPCO
8.9
14.0
17.8
3.8
14.0
17.8
3.8
7.6
2.54
7.615.2
2.54
15.2
15.2
ø2.1±0.1
ø1.1±0.1
ø2.1±0.1
ø1.1±0.1
