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CA1 Datasheet, PDF (2/5 Pages) Nais(Matsushita Electric Works) – AUTOMOTIVE POWER RELAYS SMALL SIZE, LIGHT WEIGHT AND COMPLETELY WATER TIGHT
CA
Characteristics (at 20°C 68°F )
Type
12 V DC
24 V DC
Max. operating speed
( ) 15 cpm 1.4 W type: at nominal load
1.8 W type: at 20 A
15 cpm (at nominal load)
Initial insulation resistance
Min. 10 Ω at 500 V DC
Initial breakdown Between open contacts
voltage* 1
Between contacts and coil
500 V rms for 1 min.
500 V rms for 1 min.
Operate time*2 (at nominal voltage)
Max. 10 ms at 20°C
Max. 10 ms
Release time (without diode)*2
(at nominal voltage)
Max. 10 ms at 20°C
Max. 10 ms
Shock resistance
Functional
Destructive*4
Min. 200 m/s2 {20 G}
Min. 100 m/s2 {10 G}
Min. 1,000 m/s2 {100 G}
Min. 100 m/s2 {10 G}*3
Vibration resistance
Functional* 5
Destructive
Rubber bracket A type: Min. 100 m/s2 {10 G}, 50 to 500Hz
Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 10 to 100 Hz
Rubber bracket A type: Min. 100m/s2 {10 G},50 to 500Hz
Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 10 to 100 Hz
Min. 44.1 m/s2 {4.5 G},
10 to 100Hz
Min. 44.1 m/s2 {4.5 G},
10 to 500Hz
Conditions for operation,
transport and storage*6
(Not freezing and condensing
low temperature)
Ambient
temp.
Humidity
–30°C to +80°C –22°F to +176°F
5 to 85% R.H.
Water-proof standard
Plastic sealed type: JIS DO203S2, Dust cover type: JIS DO203R2
JIS DO203S2
Unit weight
Rubber bracket A type : 23 g .81 oz
Direct coupling type or Screw-mounting type:
19 g .67 oz
31 g 1.09 oz
Electrical life (min. operation)
Nominal coil voltage, V DC
1 Form A, 1 Form B
12
12
1 Form C
24
Remarks
* Specifications will vary with foreign standards certification ratings.
*1 Detection current: 10 mA
*2 Excluding contact bounce time
*3 Half-wave pulse of sine wave: 11ms; detection time: 10µs
Motor load
(operating frequency ON: 2 s, OFF: 2 s)
105, 20 A 12 V DC
105, 20 A 12 V DC
105, 10 A 24 V DC
Halogen lamp load
(operating frequency ON: 1 s, OFF: 14 s)
105, 20 A 12 V DC
105, 20 A 12 V DC
105, 6 A 24 V DC
*4 Half-wave pulse of sine wave: 6ms
*5 Detection time: 10µs
*6 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61)
ORDERING INFORMATION
CA 1a
F
S
12 V
A
5
Contact
arrangement
Protective construction
Nominal operating power
Coil voltage
(DC)
Mounting method Classification by type
1a: 1 Form A
1b: 1 Form B
1 : 1 Form C
Nil: Plastic sealed type
F: Dust cover type
Nil: Standard type (1.8 W)
12 V
A: Rubber bracket A type
S: Low operating power type (1.4 W) 24 V (1 Form C only) A: (1 Form A, 1 Form B)
(1 Form A, 1 Form B)
N: Screw mounting type
C: Direct coupling type
Nil: 1 Form C
5: 1 Form A or
1 Form B
Notes: 1. Type with resistor/diode inside are available as options. Please consulf our sales office.
2. Standard packing: Carton: 20 pcs. Case: 200 pcs.
COIL DATA
1) Standard type
Contact
arrangement
Mounting type
Plastic sealed
type
1 Form A
1 Form B
1 Form C
Rabber bracket A CA1a-12V-A-5
Screw-mounting CA1a-12V-N-5
Direct coupling CA1a-12V-C-5
Rabber bracket A CA1b-12V-A-5
Screw-mounting CA1b-12V-N-5
Direct coupling CA1b-12V-C-5
Screw-mounting CA1-DC12V-N
Direct coupling CA1-DC12V-C
Screw-mounting CA1-DC24V-N
Direct coupling CA1-DC24V-C
Dust cover type
CA1aF-12V-A-5
CA1aF-12V-N-5
CA1aF-12V-C-5
CA1bF-12V-A-5
CA1bF-12V-N-5
CA1bF-12V-C-5
–
–
–
–
Nominal Pick-up voltage,
voltage, V DC (max.)
V DC (at 20°C 68°F)
12
8
12
8
12
8
12
8
12
8
12
8
12
8
12
8
24
16
24
16
Drop-out
voltage, V DC
(min.)
(at 20°C 68°F)
0.6 to 6
0.6 to 6
0.6 to 6
0.6 to 6
0.6 to 6
0.6 to 6
0.6
0.6
1.2
1.2
Nominal oper-
ating current,
mA (±10%)
(at 20°C 68°F)
150
150
150
150
150
150
150
150
75
75
Coil resistance,
Ω (±10%)
(at 20°C 68°F)
80
80
80
80
80
80
80
80
320
320
Nominal
operating
power, mW
(at 20°C 68°F)
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
Usable
voltage
range, V
DC
10 to 16
10 to 16
10 to 16
10 to 16
10 to 16
10 to 16
10 to 15
10 to 15
20 to 30
20 to 30
384