AUTOMOTIVE POWER
RELAYS — SMALL SIZE, CA-RELAYS
LIGHT WEIGHT AND COMPLETELY WATER TIGHT
FEATURES
1. Small size and light weight
For space saving, the outside dimensions of the main body are reduced to be 21.5 mm (length) × 14.4 mm (width) × 37 mm (height) (.846 × .567 × 1.457 inch). and the weight is also reduced to be approx. 19 g .67 oz (Direct coupling 1 Form A,
1 Form B type)
2. Water tightness
Since the relays comply with the water tightness standards, JIS D 0203, water and dust will not enter the relay even if it is mounted in the engine area.
3.Low operaing power (1.4W) type is available (1 Form A, 1 Form B)
4.Since the terminal arrangement complies with JIS D5011 B4-M1, commercial connectors are available for these types of relays.
SPECIFICATIONS
Contact
Type |
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12 V DC |
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24 V DC |
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Arrangement |
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1 Form A |
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1 Form B |
1 Form C |
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1 Form C |
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Initial contact resistance, max. |
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50 m ohm |
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(By voltage drop 6 V DC 1A) |
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Contact material |
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silver alloy |
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0.3 V |
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After electrical life test, |
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0.3 V |
0.4 V |
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0.4 V |
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by voltage drop |
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After electrical life test, |
After electrical life test, |
After electrical life test, |
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Contact voltage drop, max. |
12 V DC 20 A |
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by voltage drop |
by voltage drop |
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by voltage drop |
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(1.4 W type), |
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12 V DC 20 A |
12 V DC 20 A |
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24 V DC 10 A |
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12 V DC 30 A |
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(1.8 W type) |
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20 A 12 V DC |
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Nominal switching capacity |
(1.4 W type) |
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20 A 12 V DC |
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10 A 24 V DC |
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(resistive load) |
30 A 12 V DC |
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(ON: 2s, OFF: 2s) |
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(1.8 W type) |
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Max. switching voltage |
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16 V |
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15 V |
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30 V |
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Rating |
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Max. switching current |
120 A (1.4 W type) |
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120 A |
100 A |
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50 A (Inrush current) |
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150 A (1.8 W type) |
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20 A continuous |
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Max. carrying current |
(1.4 W type) |
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20 A continuous |
20 A continuous |
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10 A continuous |
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30 A for 1 min |
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(1.8 W type) |
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Nominal operating power |
1.4 W / 1.8 W |
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1.8 W |
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Mechanical (at 120 cpm) |
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106 |
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5×105 |
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Expected |
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20 A |
105 |
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life (min. |
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Electrical |
(1.4 W, 1.8 W type) |
(ON: 2s, OFF: 2s) |
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105 (ON 2s, OFF 2s) |
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105 |
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operations) |
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30 A |
2×104 |
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(1.8 W type) |
(ON: 3s, OFF: 15s) |
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383
CA
Characteristics (at 20°C 68°F )
Type |
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12 V DC |
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24 V DC |
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Max. operating speed |
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15 cpm |
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1.4 W type: at nominal load |
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15 cpm (at nominal load) |
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1.8 W type: at 20 A |
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Initial insulation resistance |
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Min. 10 Ω at 500 V DC |
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Initial breakdown |
Between open contacts |
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500 V rms for 1 min. |
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voltage*1 |
Between contacts and coil |
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500 V rms for 1 min. |
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Operate time*2 (at nominal voltage) |
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Max. 10 ms at 20°C |
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Max. 10 ms |
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Release time (without diode)*2 |
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Max. 10 ms at 20°C |
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Max. 10 ms |
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(at nominal voltage) |
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Shock resistance |
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Functional |
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Min. 200 m/s2 {20 G} |
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Min. 100 m/s2 {10 G} |
Min. 100 m/s2 {10 G}*3 |
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Destructive*4 |
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Min. 1,000 m/s2 {100 G} |
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Functional*5 |
Rubber bracket A type: Min. 100 m/s2 {10 G}, 50 to 500Hz |
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Min. 44.1 m/s2 {4.5 G}, |
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Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 10 to 100 Hz |
10 to 100Hz |
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Vibration resistance |
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Destructive |
Rubber bracket A type: Min. 100m/s2 {10 G},50 to 500Hz |
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Min. 44.1 m/s2 {4.5 G}, |
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Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 10 to 100 Hz |
10 to 500Hz |
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Conditions for operation, |
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Ambient |
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–30°C to +80°C –22°F to +176°F |
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transport and storage*6 |
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temp. |
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(Not freezing and condensing |
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Humidity |
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5 to 85% R.H. |
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low temperature) |
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Water-proof standard |
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Plastic sealed type: JIS DO203S2, Dust cover type: JIS DO203R2 |
JIS DO203S2 |
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Rubber bracket A type : 23 g .81 oz |
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Unit weight |
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Direct coupling type or Screw-mounting type: |
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31 g 1.09 oz |
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19 g .67 oz |
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Electrical life (min. operation) |
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Nominal coil voltage, V DC |
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Motor load |
Halogen lamp load |
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(operating frequency ON: 2 s, OFF: 2 s) |
(operating frequency ON: 1 s, OFF: 14 s) |
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1 Form A, 1 Form B |
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12 |
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105, 20 A 12 V DC |
105, 20 A 12 V DC |
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1 Form C |
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12 |
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105, 20 A 12 V DC |
105, 20 A 12 V DC |
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24 |
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105, 10 A 24 V DC |
105, 6 A 24 V DC |
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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: 10 s
*4 Half-wave pulse of sine wave: 6ms *5 Detection time: 10 s
*6 Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 61)
ORDERING INFORMATION
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CA |
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1a |
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F |
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S |
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12 V |
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A |
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5 |
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Contact |
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Protective construction |
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Nominal operating power |
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Coil voltage |
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Mounting method |
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Classification by type |
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arrangement |
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(DC) |
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1a: 1 Form A |
Nil: Plastic sealed type |
Nil: Standard type (1.8 W) |
12 V |
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A: Rubber bracket A type |
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Nil: 1 Form C |
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1b: 1 Form B |
F: Dust cover type |
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S: Low operating power type (1.4 W) |
24 V (1 Form C only) |
A: (1 Form A, 1 Form B) |
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1 : 1 Form C |
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(1 Form A, 1 Form B) |
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N: Screw mounting type |
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1 Form B |
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C: Direct coupling type |
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Notes: 1. Type with resistor/diode inside are available as options. Please consulf our sales office. |
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2. Standard packing: Carton: 20 pcs. Case: 200 pcs. |
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COIL DATA |
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1) Standard type |
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Contact |
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Nominal |
Pick-up voltage, |
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Drop-out |
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Nominal oper- |
Coil resistance, |
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Nominal |
Usable |
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Plastic sealed |
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voltage, V DC |
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ating current, |
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operating |
voltage |
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Mounting type |
Dust cover type |
voltage, |
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V DC (max.) |
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Ω (±10%) |
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arrangement |
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type |
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(min.) |
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mA (±10%) |
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power, mW |
range, V |
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V DC |
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(at 20°C 68°F) |
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(at 20°C 68°F) |
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(at 20°C 68°F) |
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(at 20°C 68°F) |
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(at 20°C 68°F) |
DC |
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Rabber bracket A |
CA1a-12V-A-5 |
CA1aF-12V-A-5 |
12 |
8 |
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0.6 to 6 |
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150 |
80 |
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1.8 |
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10 to 16 |
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1 Form A |
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Screw-mounting |
CA1a-12V-N-5 |
CA1aF-12V-N-5 |
12 |
8 |
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0.6 to 6 |
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150 |
80 |
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1.8 |
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10 to 16 |
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Direct coupling |
CA1a-12V-C-5 |
CA1aF-12V-C-5 |
12 |
8 |
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0.6 to 6 |
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80 |
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1.8 |
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10 to 16 |
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Rabber bracket A |
CA1b-12V-A-5 |
CA1bF-12V-A-5 |
12 |
8 |
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0.6 to 6 |
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150 |
80 |
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1.8 |
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10 to 16 |
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1 Form B |
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Screw-mounting |
CA1b-12V-N-5 |
CA1bF-12V-N-5 |
12 |
8 |
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0.6 to 6 |
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150 |
80 |
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1.8 |
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10 to 16 |
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Direct coupling |
CA1b-12V-C-5 |
CA1bF-12V-C-5 |
12 |
8 |
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0.6 to 6 |
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150 |
80 |
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1.8 |
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10 to 16 |
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Screw-mounting |
CA1-DC12V-N |
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12 |
8 |
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0.6 |
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150 |
80 |
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1.8 |
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10 to 15 |
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1 Form C |
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Direct coupling |
CA1-DC12V-C |
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12 |
8 |
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0.6 |
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150 |
80 |
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1.8 |
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10 to 15 |
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Screw-mounting |
CA1-DC24V-N |
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24 |
16 |
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1.2 |
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75 |
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320 |
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1.8 |
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20 to 30 |
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|
|
|
Direct coupling |
CA1-DC24V-C |
|
|
– |
24 |
16 |
|
|
|
|
1.2 |
|
|
|
|
|
75 |
|
320 |
|
1.8 |
|
20 to 30 |
384