CB1aF-T-M-12V - Panasonic / NAiS

379

CB-RELAYS

HIGH POWER

AUTOMOTIVE RELAY

22.0

.866

25.5

1.004

26.5

1.043

mm inch

22.0

.866

25.0

.984

26.0

1.024

FEATURES

• 40 A rating at 85

C 185

• ISO type terminals

• High shock resistance for drop test requirements

(2 meters 6.6 feet)

• Low temperature rise — all current carrying material

is copper.

• Quick connect and PC board type

SPECIFICATIONS

Contact

(1) Standard type (12V coil voltage)

(2) Standard type (24V coil voltage)

All other speciﬁcations are the same as those of standard type (12V coil voltage)

Arrangement 1 Form A 1 Form C High contact capacity

(1 Form A)

Rating Nominal switching capacity 40 A 14 V DC N.O.: 40 A 14 V DC

N.C.: 30 A 14 V DC 70 A 14 V DC (at 20

C 68

50 A 14 V DC (at 85

C 185

Max. switching current

(at 85

C 185

F)40 A 14 V DC N.O.: 40 A 14 V DC

N.C.: 30 A 14 V DC 40 A 14 V DC

Initial contact resistance, max. 15m

Ω

Contact material Silver alloy

Expected life Mechanical (at 120 cpm) Min. 10

Electrical (at rated load) Flux-resistant type: Min. 10

Sealed type: Min. 5

Arrangement 1 Form A 1 Form C

Rating Nominal switching capacity 20 A 28V DC N.O.: 20 A 28 V DC

N.C.: 10 A 28 V DC

Max. switching current

(at 85

C 185

F)20 A 28 V DC N.O.: 20 A 28 V DC

N.C.: 10 A 28 V DC

(3) Heat resistant type (12V, 24V coil voltage)

All other speciﬁcations are the same as those of standard type (12V coil voltage)

Type 12V coil voltage 24V coil voltage

Arrangement 1 Form A 1 Form C 1 Form A 1 Form C

Rating

Nominal switching

capacity 35 A 14V DC N.O.: 35 A 14 V DC

N.C.: 30 A 14 V DC 20 A 28 V DC N.O.: 20 A 28 V DC

N.C.: 10 A 28 V DC

Max. switching current

(at 85

C 185

F)35 A 14 V DC N.O.: 35 A 14 V DC

N.C.: 30 A 14 V DC 20 A 28V DC N.O.: 20 A 28 V DC

N.C.: 10 A 28 V DC

Coil

Arrangement Coil voltage Nominal operating power

1 Form A,

1 Form C 12V DC 1.4W

24V DC 1.8W

High contact capacity 12V DC 1.8W

380

Characteristics

Remarks

* Speciﬁcations will vary with foreign standards certiﬁcation ratings.

All other speciﬁcations are the same as those of standard type (12V coil voltage)

Measurement at same location as "Initial breakdown voltage" section

Detection current: 10 mA

Wave is standard shock voltage of

1.2

s according to JEC-212-1981

Excluding contact bounce time

Half-wave pulse of sine wave: 11ms; detection time: 10

Half-wave pulse of sine wave: 6ms

Detection time: 10

Refer to 5. Conditions for operation, transport and storage mentioned in

AMBIENT ENVIRONMENT (Page 61)

Max. operating speed (at rated load) 15 cpm

Initial insulation resistance*

Min. 20 M

Ω

(at 500 V DC)

Initial breakdown voltage*

Between open contacts 500 Vrms for 1 min.

Between contacts and coil 500 Vrms for 1 min.

Operate time*

(at nominal voltage) Max. 15 ms

Release time (without diode)*

(at nominal voltage) Max. 15 ms

Shock resistance Functional*

Min. 200 m/s

{20 G}

Destructive*

Min. 1,000 m/s

{100 G}

Vibration resistance Functional*

10 to 500Hz, Min. 44.1m/s

{4.5G}

Functional*

10 to 2,000Hz, Min. 44.1m/s

{4.5G}

Conditions for operation, transport and storage*

(Not freezing and condensing at low temperature) Ambient temp. –40

C to +85

C –40

F to +185

(Heat resistant type: –40

C to +125

C –40

F to +257

Humidity 5 to 85% R.H.

Unit weight Approx. 33 g 1.16 oz

TYPICAL APPLICATIONS

• Automotive system

• ABS, Head Lamp, Air conditioner

• T racter, Combine

ORDERING INFORMATION

1F RT M 12 VCB

Contact arrangement Protective construction Type classification Mounting classification Coil voltage (DC)

1a: 1 Form A

1: 1 Form C

1aH: High contact

capacity*1

(1 Form A)

Nil: Sealed type

F: Flux-resistant type

Heat resistant of types

Nil: Standard type

T: Heat resistant type*2Nil: Standard type

D: with diode inside

R: with resistor inside

Nil: Quick connect type

P: PC board type

M:Bracket type

12, 24 V

Note: Bulk pakage: 50 pcs.; Case: 200 pcs. *1 High contact capacity type is available only for “Quick connect” and 12 V.

(See “1. Standard type in TYPES” Page 380)

*2 Heat resistant type with high contact capacity is not available.

(See “2. Heat resistant type in TYPES” Page 381)

TYPES

1. Standard type

Contact arrangement Mounting classiﬁcation Coil voltage, V DC Part No.

Sealed type Flux-resistant type

1 Form A

PC board type 12V CB1a-P-12V CB1aF-P-12V

24V CB1a-P-24V CB1aF-P-24V

Quick connect type 12V CB1a-12V CB1aF-12V

24V CB1a-24V CB1aF-24V

Bracket type 12V CB1a-M-12V CB1aF-M-12V

24V CB1a-M-24V CB1aF-M-24V

1 Form C

PC board type 12V CB1-P-12V CB1F-P-12V

24V CB1-P-24V CB1F-P-24V

Quick connect type 12V CB1-12V CB1F-12V

24V CB1-24V CB1F-24V

Bracket type 12V CB1-M-12V CB1F-M-12V

24V CB1-M-24V CB1F-M-24V

High contact capacity (1 Form A) Quick connect type 12V CB1aH-12V CB1aHF-12V

381

2. Heat resistant type

COIL DATA

(at 20

C 68

DIMENSIONS

1. PC board type

Contact arrangement Mounting classiﬁcation Coil voltage, V DC Part No.

Sealed type Flux-resistant type

1 Form A

PC board type 12V CB1a-T-P-12V CB1aF-T-P-12V

24V CB1a-T-P-24V CB1aF-T-P-24V

Quick connect type 12V CB1a-T-12V CB1aF-T-12V

24V CB1a-T-24V CB1aF-T-24V

Bracket type 12V CB1a-T-M-12V CB1aF-T-M-12V

24V CB1a-T-M-24V CB1aF-T-M-24V

1 Form C

PC board type 12V CB1-T-P-12V CB1F-T-P-12V

24V CB1-T-P-24V CB1F-T-P-24V

Quick connect type 12V CB1-T-12V CB1F-T-12V

24V CB1-T-24V CB1F-T-24V

Bracket type 12V CB1-T-M-12V CB1F-T-M-12V

24V CB1-T-M-24V CB1F-T-M-24V

Contact

arrangement Nominal

voltage,

V DC Pick-up v oltage,

V DC (max.) Drop-out

voltage,

V DC (mim.)

Nominal

current,

mA (

10%) Coil resistance,

Ω

(

10%) Nominal

operating power,

Usable voltage

range,

V DC

1 Form A

1 Form C 12 3 to 7 1.2 to 4.2 117 103 1.4 10 to 16

24 6 to 14 2.4 to 8.4 75 320 1.8 20 to 32

High contact

capacity

(1 Form A) 12 3 to 7 1.2 to 4.2 150 80 1.8 10 to 16

mm inch

22.0

.866

26.0

1.024

2.15

.085

6.3

.248

4.5

.177 1.0

.039

25.0

.984

Venting

hole

Sealed by epoxy resin

0.8

.031

8.4

.331

16.8

.661

2.6

.102

17.9

.705

8.0

.315

8.4

.331

86 87a*

3085

Dimension: General tolerance

Max. 1mm .039 inch:

0.1

.004

1 to 3mm .039 to .118 inch:

0.2

.008

Min. 3mm .118 inch:

0.3

.012

Schematic (Bottom view)

87a

Including diode

(1 Form A) Including load

(1 Form C)

87a

1a 1c

Including diode type, including load type also available.

2. Quick connect type

25.0

.984

11.0

.433 5-6.3

5-.248

26.0

1.024

22.0

.866

4.0

.157

1.7 dia.

.067 dia.

Venting

hole

Sealed by epoxy resin

0.8

.031

8.4

.331

16.8

.661

2.6

.102

17.9

.705

8.0

.315

8.4

.331

86 87a*

3085

Dimension: General tolerance

Max. 1mm .039 inch:

0.1

.004

1 to 3mm .039 to .118 inch:

0.2

.008

Min. 3mm .118 inch:

0.3

.012

Schematic (Bottom view)

87a

1a 1c

Including diode type, including load type also available.

382

3. Bracket type

mm inch

16.0

.630

6.0

.236

25.0

.984

16.0

.630

4.0±0.1

.157±.004

1.7

.0675.4±0.1 dia.

.213±.004

22.0

.866

11.0

.433 5-6.3

5-.248

26.0

1.024

4.0

.157

1.7 dia.

.067 dia.

8.0±0.1

.315±.004

17.9

.705

Sealed by epoxy resin

0.8

.031

8.4

.331

2.6

.102

8.4

.331

16.8

.661

86 87a*

3085

Dimension: General tolerance

Max. 1mm .039 inch:

0.1

.004

1 to 3mm .039 to .118 inch:

0.2

.008

Min. 3mm .118 inch:

0.3

.012

Schematic (Bottom view)

87a

1a 1c

Including diode type, including load type also available.

4. High contact capacity type

2-6.3±0.08

2-.248±.003

4-1.7 dia. hole

4-.067 dia. hole

2-9.5±0.08

2-.374±.003

16.8

.661

8.4

.331

2.6

.102

0.8

.031

1.2

.047

8.4

.331

17.9

.705

22.0

.866

26.5

1.043

11.0

.433

15.0

.591

25.5

1.004

4.0

.157

5.8

.228

Sealed by epoxy resin

Dimension: General tolerance

Max. 1mm .039 inch:

0.1

.004

1 to 3mm .039 to .118 inch:

0.2

.008

Min. 3mm .118 inch:

0.3

.012

Schematic (Bottom view)

REFERENCE DATA

1. Coil temperature rise

Tested sample: CB1aF-P-12V, 3pcs.

Ambient temperature: 85

C 185

Contact carrying current: 40A

2. Electrical life test (Motor load)

Tested sample: CB1a-12V, 3pcs.

Load: 18A steady, Inrush 82A

Operating frequency: ON 2s, OFF 6s

Coil applied voltage, V

Temperature rise, °C

12 14 16

180

150

120

40A

No. of operations, ×104

1050

Max.

Min.

–

Drop-out voltage

Pick-up voltage

Pick-up and drop-out voltage, V

Contact welding: 0 times

Miscontact: 0 times

105

Max.

Min.

No. of operations, ×104

Contact resistance, mΩ

For Cautions for use, see Relay Technical Information (Page 48 to 76).

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