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AUTOMOTIVE POWER RELAYS -- SMALL SIZE, 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) x 14.4 mm (width) x 37 mm (height) (.846 x .567 x 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.
CA-RELAYS
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 Arrangement Initial contact resistance, max. (By voltage drop 6 V DC 1A) Contact material 1 Form A 12 V DC 1 Form B 50 m ohm silver alloy 0.3 V After electrical life test, 0.3 V 0.4 V 0.4 V by voltage drop After electrical life test, After electrical life test, After electrical life test, 12 V DC 20 A by voltage drop by voltage drop by voltage drop (1.4 W type), 12 V DC 20 A 12 V DC 20 A 24 V DC 10 A 12 V DC 30 A (1.8 W type) 20 A 12 V DC (1.4 W type) 10 A 24 V DC 20 A 12 V DC 30 A 12 V DC (ON: 2s, OFF: 2s) (1.8 W type) 16 V 15 V 30 V 120 A (1.4 W type) 120 A 100 A 50 A (Inrush current) 150 A (1.8 W type) 20 A continuous (1.4 W type) 20 A continuous 20 A continuous 10 A continuous 30 A for 1 min (1.8 W type) 1.4 W / 1.8 W 1.8 W 5x105 106 105 (ON: 2s, OFF: 2s) 2x104 (ON: 3s, OFF: 15s) 105 (ON 2s, OFF 2s) 105 1 Form C 24 V DC 1 Form C
Contact voltage drop, max.
Nominal switching capacity (resistive load) Max. switching voltage Rating Max. switching current
Max. carrying current Nominal operating power Mechanical (at 120 cpm) 20 A Expected (1.4 W, 1.8 W type) life (min. Electrical operations) 30 A (1.8 W type)
383
CA
Characteristics (at 20C 68F )
Type Max. operating speed Initial insulation resistance Between open contacts Between contacts and coil Operate time*2 (at nominal voltage) 12 V DC 24 V DC 15 cpm 1.4 W type: at nominal load 15 cpm (at nominal load) 1.8 W type: at 20 A Min. 10 at 500 V DC 500 V rms for 1 min. 500 V rms for 1 min.
(
)
Initial breakdown voltage*1
Max. 10 ms at 20C Max. 10 ms at 20C
Max. 10 ms Max. 10 ms Min. 100 m/s2 {10 G}*3 Min. 44.1 m/s2 {4.5 G}, 10 to 100Hz Min. 44.1 m/s2 {4.5 G}, 10 to 500Hz
Release time (without diode)*2 (at nominal voltage) Shock resistance Functional Destructive*4 Functional*5 Vibration resistance Destructive Conditions for operation, Ambient transport and storage*6 temp. (Not freezing and condensing Humidity low temperature) Water-proof standard Unit weight
Min. 100 m/s2 {10 G} Min. 1,000 m/s2 {100 G} 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 -30C to +80C -22F to +176F 5 to 85% R.H.
Min. 200 m/s2 {20 G}
Plastic sealed type: JIS DO203S2, Dust cover type: JIS DO203R2 JIS DO203S2 Rubber bracket A type : 23 g .81 oz Direct coupling type or Screw-mounting type: 31 g 1.09 oz 19 g .67 oz
Electrical life (min. operation)
Nominal coil voltage, V DC 1 Form A, 1 Form B 1 Form C 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: 10s *4 Half-wave pulse of sine wave: 6ms *5 Detection time: 10s *6 Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 61)
12 12 24
Motor load Halogen lamp load (operating frequency ON: 2 s, OFF: 2 s) (operating frequency ON: 1 s, OFF: 14 s) 105, 20 A 12 V DC 105, 20 A 12 V DC 105, 20 A 12 V DC 105, 20 A 12 V DC 105, 10 A 24 V DC 105, 6 A 24 V DC
ORDERING INFORMATION
CA Contact arrangement 1a: 1 Form A 1b: 1 Form B 1 : 1 Form C 1a F S 12 V A Coil voltage (DC) 5
Protective construction Nil: Plastic sealed type F: Dust cover type
Nominal operating power
Mounting method
Classification by type Nil: 1 Form C 5: 1 Form A or 1 Form B
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
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 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 20C 68F) 12 12 12 12 12 12 12 12 24 24 8 8 8 8 8 8 8 8 16 16 Drop-out voltage, V DC (min.) (at 20C 68F) 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 operating current, mA (10%) (at 20C 68F) 150 150 150 150 150 150 150 150 75 75 Coil resistance, (10%) (at 20C 68F) 80 80 80 80 80 80 80 80 320 320 Nominal operating power, mW (at 20C 68F) 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
Rabber bracket A CA1a-12V-A-5 1 Form A Screw-mounting Direct coupling 1 Form B Screw-mounting Direct coupling Screw-mounting 1 Form C Direct coupling Screw-mounting Direct coupling CA1a-12V-N-5 CA1A-12V-C-5 CA1b-12V-N-5 CA1b-12V-C-5 CA1-DC12V-N CA1-DC12V-C CA1-DC24V-N CA1-DC24V-C
Rabber bracket A CA1b-12V-A-5
384
CA
2) Low operating power type
Contact arrangement Mounting type Plastic sealed type Dust cover type CA1aFS-12V-A-5 CA1aFS-12V-N-5 CA1aFS-12V-C-5 CA1bFS-12V-A-5 CA1bFS-12V-N-5 CA1bFS-12V-C-5 Nominal Pick-up voltage, voltage, V DC (max.) V DC (at 20C 68F) 12 12 12 12 12 12 8 8 8 8 8 8 Drop-out voltage, V DC (min.) (at 20C 68F) 0.6 to 6 0.6 to 6 0.6 to 6 0.6 to 6 0.6 to 6 0.6 to 6 Nominal operating current, mA (10%) (at 20C 68F) 120 120 120 120 120 120 Coil resistance, (10%) (at 20C 68F) 100 100 100 100 100 100 Nominal operating power, mW (at 20C 68F) 1.4 1.4 1.4 1.4 1.4 1.4 Usable voltage range, V DC 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16
Rabber bracket A CA1aS-12V-A-5 1 Form A Screw-mounting Direct coupling 1 Form B Screw-mounting Direct coupling CA1aS-12V-N-5 CA1aS-12V-C-5 CA1bS-12V-N-5 CA1bS-12V-C-5
Rabber bracket A CA1bS-12V-A-5
DIMENSIONS
1. 1 Form A/1 Form B Rubber bracket A type
21.5 .846 14.4 .567
mm inch SCHEMATIC (Bottom View)
2.5 10 .098 .394
1 Form A
1 Form B
15 .591 37 1.457 Including diode type, including load type also available.
17.4 .685 19.5 .768 9 .354
Sealed with epoxy resin
5.5 .217 15.4 .606 12.4 .488
Including load (1 Form A)
Including diode (1 Form C)
1.5 .059
2 .079
17 .669 21.5 .846
0.8 .031 2.4 .094 6 .236
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
General tolerance 0.1 .004 0.2 .008 0.3 .012
2. 1 Form A/1 Form B Screw-mounting type
6.5 +0.3 dia. hole -0 .256 +.012 dia. -0 14 .551
R10
14.4 .567
3 .118 2 .079
SCHEMATIC (Bottom View) 1 Form A 1 Form B
17.5 .689 7 .276
Including diode type, including load type also available. 37 1.457
21.5 .846 Sealed with epoxy resin 19.5 .768 9 .354 5.5 .217 15.4 .606 12.4 .488 0.8 .031 2.4 .094
17.4 .685
Including load (1 Form A)
Including diode (1 Form C)
6 .236
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
General tolerance 0.1 .004 0.2 .008 0.3 .012
385
CA
3. 1 Form A/1 Form B Direct coupling type
mm inch
21.5 .846 14.4 .567
SCHEMATIC (Bottom View) 1 Form A 1 Form B
37 1.457
Sealed with epoxy resin
19.5 .768 9 .354
17.4 .685 5.5 .217 15.4 .606 12.4 .488
Including diode type, including load type also available.
6 .236
0.8 .031 2.4 .094
Including load (1 Form A)
Including diode (1 Form C)
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
General tolerance 0.1 .004 0.2 .008 0.3 .012
4. 1 Form C Screw-mounting type
SCHEMATIC (Bottom View)
6.6 dia. hole .260 dia. 14 .551 R10 4 .157 2 .079 20 .787 Including diode type, including load type also available.
1 Form C
12 .472 59 28 2.323 1.102 40 1.575
31.2 1.228 28.4 1.118 23.4 .921 0.8 .031
19.4 .764 5.5 .217 11.4 12.2 .449 .480 2.4 .094 Sealed with epoxy resin
Including load (1 Form C)
Including diode (1 Form A)
6 .236
9 9 .354 .354
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
General tolerance 0.1 .004 0.2 .008 0.3 .012
5. 1 Form C Direct coupling type
28 1.102 40 1.575
SCHEMATIC (Bottom View) 1 Form C
Including diode type, including load type also available. 31.2 1.228 28.4 1.118 23.4 .921 0.8 .031 19.4 .764 5.5 .217 11.4 12.2 .449 .480 2.4 .094 Sealed with epoxy resin
Including load (1 Form C)
Including diode (1 Form A)
6 .236
9 9 .354 .354
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
General tolerance 0.1 .004 0.2 .008 0.3 .012
386
CA
REFERENCE DATA
1. Coil temperature rise
Tested sample: CA1aS-12V-N-5, 5 pcs. Point measured: Inside the coil Contact carrying current: 20A Ambient temperature: Room temperature, 85C 185F
140 120 Temperature rise, C 100 80 60 40 20 0 12 14 16 Coil applied voltage, V
0
2. Electrical life test (Motor load)
Tested sample: CA1a-12V-N-5, 5 pcs. Load: Steady 30A, Inrush 150A, 12V DC Operate frequency: ON 3s, OFF 15s Ambient temperature: Room temperature
10
Pick-up and drop-out voltage, V
Room temperature
Contact welding: 0 times Miscontact: 0 times
8
Pick-up voltage
Max. X
85C 185F
6 Min.
4
Drop-out voltage
Max. 2 X Min.
0
2
No. of operations, x104
For Cautions for use, see Relay Technical Information (Page 48 to 76).
9/1/2000
All Rights Reserved, (c) Copyright Matsushita Electric Works, 387 Ltd.
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