CV (ACV)
SPECIFICATIONS
AUTOMOTIVE LOW PROFILE
MICRO-ISO/MICRO-280
RELAY
CV RELAYS
(ACV)
Micro ISO 1c type
Micro ISO 1a type
Micro 280 plug-in type Micro 280 PCB type
FEATURES
Low prole:
22.5 mm(L)
×15 mm(W)×15.7 mm(H)
.886 inch(L)
×.591 inch(W)×.618 inch(H)
Low temperature rise
Terminal temperature has been reduced
compared with using our conventional
product
Low sound pressure level
Noise level has been reduced
approx.10dB compared with using our
conventional product.
Wide line-up
Micro ISO/Micro 280 terminal types and
resistor and diode inside type, PCB
terminal type (Micro 280 only).
Plastic sealed type
Plastically sealed for automatic cleaning.
Compact and high-capacity 20A load
switching
N.O.: 20A 14V DC, N.C.: 10A 14V DC
(Max. carrying current: at 85
°C 185°F)
TYPICAL APPLICATIONS
Headlights
Magnetic clutches
Radiator fans
Blowers
Fog lamps
Tail lights
Heaters
Defoggers
Horns
Condenser fans, etc.
Contact
Coil
#1 This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the
actual load.
Characteristics
Remarks
*1 At nominal switching capacity, operating frequency: 2s ON, 2s OFF
*2 Measurement at same location as “Initial breakdown voltage” section.
*3 Detection current: 10mA
*4 Excluding contact bounce time.
*5 Half-wave pulse of sine wave: 11 ms; detection time: 10
s
*6 Half-wave pulse of sine wave: 6 ms
*7 Detection time: 10
s
*8 Time of vibration for each direction;
X, Y, Z direction: 4 hours
*9 Refer to 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT
*10 Ambient temperature 125°C 257°F type is also considerable on request.
Please contact us for details.
Arrangement
1 Form A
1 Form C
Contact material
Silver alloy
Initial contact resistance
(By voltage drop 6 V DC 1 A)
Max. 50m
Contact voltage drop
Max. N.O.: 0.2 V
(at 20 A)
Max. N.O.: 0.2 V
(at 20 A switching)
Max. N.C.: 0.5 V
(at 10 A switching)
Rating
Nominal
switching
capacity
N.O.: 20 A 14 V DC
N.C.: 10 A 14 V DC
Max. carrying
current
N.O.: 20 A
(Continuous, at
85°C 185
°F)
50 A for 2 minutes,
40 A for 1 hour
(at 20
°C 68°F)
40 A for 2 minutes,
30 A for 1 hour
(at 85
°C 185°F)
<N.O.>
N.O.: 20 A
(Continuous, at
85°C 185
°F)
50 A for 2 minutes,
40 A for 1 hour
(at 20
°C 68°F)
<N.C.>
N.C.: 10 A
(Continuous, at
85°C 185
°F)
40 A for 2 minutes,
30 A for 1 hour
(at 85
°C 185°F)
Min. switching
capacity#1
1 A 12 V DC
Expected
life (min.
operation)
Mechanical
(at 120 cpm)
Min. 106
Electrical
(at rated load)
Min. 105*1
Nominal operating power
0.8 W, 1.0 W (with resister inside type)
Max. operating speed
(at nominal switching capacity)
15cpm
Initial insulation resistance*2
Min. 20M
(at 500 V DC)
Initial breakdown
voltage*3
Between open contacts
500 Vrms for 1min.
Between contacts and coil
500 Vrms for 1min.
Operate time*4
(at nominal voltage) (at 20
°C 68°F) (initial)
Max. 10ms
Release time*4
(at nominal voltage) (at 20
°C 68°F) (initial)
Max. 10ms
Max. 15ms
(with diode inside type)
Shock resistance
Functional*5
Min. 100 m/s2{10 G}
Destructive*6
Min. 1,000 m/s2{100 G}
Vibration resistance
Functional*7
10 Hz to 100 Hz,
Min.44.1 m/s2 {4.5 G}
Destructive*8
10 Hz to 500 Hz,
Min.44.1 m/s2 {4.5 G}
Conditions in case of opera-
tion, transport and storage*9
(Not freezing and condensing
at low temperature)
Ambient
temp*10
–40
°C to +85°C
–40
°F to +185°F
Humidity
25% R.H. to 85% R.H.
Mass
Approx. 15.0g .53 oz
X
Y
Z
All Rights Reserved COPYRIGHT Matsushita Electric Works, Ltd.