Power Relay SRM
■Low profile, light weight
■Flux tight or fully sealed versions
available
■TV-5 rating available
■UL/CSA/TUV recognised
Options and ordering codes
A
1A
1B
1C
SRM 12VDCF–––
A1C
Type Coil voltage
Automotive relay
1A: SPNO
1B: SPNC
1C: SPDT
Contact form: F
S
F: Flux tight
S: Fully sealed
Sealing:
Specifications
Contact material AgSnInO
Initial contact resistance 50mΩMax 100mΩMax for SRMA
Operate time 15ms Max (at rated voltage)
Release time 5ms Max (at rated voltage) 10ms Max for SRMA
Nominal operating power Approx. 360mW Approx. 640mW for SRMA
Insulation resistance 100MΩ at 500VDC
Breakdown voltage Between coil and contacts 1500VAC (for 1 minute)
Between open contacts 500VAC (for 1 minute)
Vibration resistance Operating extremes 10~50Hz, amplitude 1.5mm
Damage limits 10~50Hz, amplitude 1.5mm
Shock resistance Operating extremes 10G
Damage limits 100G
Ambient temperature -30~+60˚C -40~+85˚C for SRMA
Life expectancy Mechanical 10 x 106operations (frequency 18,000 operations/hour)
Electrical (at max load) 1 x 105operations (frequency 1,200 operations/hour)
Weight 10g
Contact rating
Contact for m 1A (SPNO) 1B, 1C 1C (SRMA type)
Maximum switching power 1750VA/210W 210W
Maximum switching voltage 250VAC/30VDC 30VDC
Maximum switching/car ry cur rent 12A 15A
TV rating TV-5 – –
UL, CSA and TUV safety approval ratings available on request
VDE version available on request
SRM
Coil specification SRM
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
3 120 25
57369
6 60 100 130% 75% 10%
9 40 225 of rated of rated of rated Approx. 360mW
12 30 400 voltage voltage voltage
24 15 1600
48 7.5 6400
Coil specification SRMA
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
9 71.4 126 120% 65% 5%
12 53.5 225 of rated of rated of rated Approx. 640mW
24 26.7 900 voltage voltage voltage
Dimensions mm
W iring diagram PCB layout
(0.8)
(0.3)
2.2±0.3
±0.3
21 16
(1.0)
(0.4)
ø1.3-5
14.2
Form AForm BForm C
12.2
12
3.5
±0.3
±0.3 16.3±0.3
