Automotive Relays
Plug-in Micro ISO Relays
Micro Relay A/VFMA
n
High current version with limiting continuous current 30A at 85C
n
Pin assignment according to ISO 7588 part 3
n
Customized versions on request
24VDC versions with special contact gap
Integrated components (e.g. diode)
Customized marking
Special covers (e.g. notches, release features)
For latching version refer to Micro Relay Latching
For low noise version refer to Micro Relay Low Noise
For high current version refer to part number table
Typical applications
Cross carline up to 30A for example: ABS control, blower fans, cooling fan,
F074_fcw1_bw
door control, door lock, fuel pump, heated front screen, immobilizer, interior
lights, seat control, seatbelt pretensioner, sun roof, trunk lock, valves,
FVFMA_fcw1c
window lifter, wiper control.
Contact Data Form A Standard Form C Form A HC
Contact arrangement 1 form A, 1 NO 1 form A, 1 NO 1 form C, 1 CO 1 form C, 1 CO 1 form A, 1 NO
6)
Rated voltage 12VDC 24VDC 12VDC 24VDC 12VDC
Limiting continuous current, form A/form B NO/NC NO/NC
23C 30A 30A 30/20A 30/20A 35A
85C 25A 25A 25/15A 25/15A 30A
125C 10A 10A 10/8A 10/8A 15A
1)2)
Limiting making current , A/B (NO/NC) 120A 120A 120/40A 120/20A 120A
Limiting breaking current 30A 20A 30/15A 20/10A 30A
Limiting short-time current,
3)
overload current, ISO 8820-3 1.35 x 25A, 1800s 1.35 x 25A, 1800s 1.35 x 30A, 1800s
2.00 x 25A, 5s 2.00 x 25A, 5s 2.00 x 30A, 5s
3.50 x 25A, 0.5s 3.50 x 25A, 0.5s 3.50 x 30A, 0.5s
6.00 x 25A, 0.1s 6.00 x 25A, 0.1s 6.00 x 30A, 0.1s
Jump start test 24VDC for 5min conducting nominal current at 23C
Contact material silver based
4)
Min. recommended contact load 1A at 5VDC
Initial voltage drop
NO contact at 10A, typ./max. 15/200mV
NC contact at 10A, typ./max. 20/250mV
Frequency of operation 6 ops./min (0.1Hz)
5)
Electrical endurance
5 5 5
resistive load at 14VDC >1x10 ops. >1x10 ops. >1x10 ops.
25A 25A (NO) 30A
5 5
resistive load at 28VDC >1x10 ops. >1x10 ops.
15A 15A (NO)
5
>1x10 ops.
10A (NC)
7
Mechanical endurance typ. 10 ops.
1) The values apply to a resistive or inductive load with suitable spark suppression and at
Max. DC load breaking capacity
maximum 13.5VDC for 12VDC or 27VDC for 24VDC load voltages.
2) For a load current duration of maximum 3s for a make/break ratio of 1:10.
3) Current and time are compatible with circuit protection by a typical automotive fuse.
Relay will make, carry and break the specified current.
4) See chapter Diagnostics of Relays in our Application Notes or consult the internet at
Automotive Relays
Plug-in Micro ISO Relays
Micro Relay A/VFMA (Continued)
Coil Data Other Data
Coil voltage range 12/24VDC EU RoHS/ELV compliance compliant
Ambient temperature -40 to +125C
Coil versions, DC coil Climatic cycling with condensation,
Coil Rated Operate Release Coil Rated coil EN ISO 6988 6 cycles, storage 8/16h
7) 7)
code voltage voltage voltage resistance power Temperature cycling,
VDC VDC VDC 10% W IEC 60068-2-14, Nb 10 cycles, -40/+85C (5C/min)
001 12 7.2 1.6 119 1.20 Damp heat cyclic,
002 24 14.4 3.6 430 1.34 IEC 60068-2-30, Db, Variant 1 6 cycles, upper air temp. 55C
005 12 7.2 1.6 144 1.00 Damp heat constant,
F 12 7.2 1.2 90 1.60 IEC 60068-2-3 (78), Ca 56 days
H 24 14.4 3.6 430 1.34 Category of environmental protection,
All figures are given for coil without pre-energization, at ambient temperature +23C.
IEC 61810 RT I dustproof
7) Without components in parallel.
Degree of protection, IEC 60529 IP54
Corrosive gas
Coil operating range
3 3
IEC 60068-2-42 102cm /m SO , 10 days
2
TE074_OVR1
3 3
IEC 60068-2-43 10.3cm /m H S, 10 days
2
Vibration resistance (functional)
8)
IEC 60068-2-6 (sine sweep) 10 to 500Hz min. 5g
Shock resistance (functional)
8)
IEC 60068-2-27 (half sine) min. 20g 11ms
Drop test, free fall, IEC 60068-2-32 1m onto concrete
Terminal type plug-in, QC
Cover retention
axial force 150N
Does not take into account
pull force 150N
the temperature rise due to
push force 200N
the contact current
Terminal retention
E = pre-energization
pull force 100N
push force 100N
9)
resistance to bending 10N
9)
force applied to side 10N
torque 0.3Nm
Weight approx. 16 to 20g (0.5 to 0.7oz)
Packaging unit
Micro A 480 pcs.
Does not take into account the temperature rise due to the contact current
VFMA 600 pcs.
E = pre-energization.
8) No change in the switching state >10s. Valid for NC contacts, NO contact values
significantly higher.
9) Values apply 2mm from the end of the terminal. When the force is removed, the terminal
Insulation Data
must not have moved by more than 0.3mm
Initial dielectric strength
between open contacts 500VAC
rms
between contact and coil 500VAC Accessories
rms
Load dump test For details see datasheet Connectors for Micro ISO Relays
ISO 7637-1 (12VDC), test pulse 5 Vs=+86.5VDC
ISO 7637-2 (24VDC), test pulse 5 Vs=+200VDC
Terminal Assignment
NOD NOR COD COR
1 form A, 1 NO with diode 1 form A, 1 NO with resistor 1 form C, 1 CO with diode 1 form C, 1 CO with resistor
2 5 2 5 2 54 2 54
1 3 1 3 1 3 1 3
2
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