NAIS CB1F-T-P-12V, CB1F-T-M-24V, CB1F-T-M-12V, CB1F-T-24V, CB1F-T-12V Datasheet

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 ° F

• 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)

*

1

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 ° F)
50 A 14 V DC (at 85 ° C 185 ° F)

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

6

Electrical (at rated load)

Flux-resistant type: Min. 10

5

*

1

Sealed type: Min. 5 × 10

4

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)

*

1

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

CB

380

Characteristics

Remarks

* Specifications will vary with foreign standards certification ratings.
*

1

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

*

2

Measurement at same location as "Initial breakdown voltage" section

*

3

Detection current: 10 mA

*

4

Wave is standard shock voltage of ± 1.2 × 50 µ s according to JEC-212-1981

*

5

Excluding contact bounce time

*

6

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

*

7

Half-wave pulse of sine wave: 6ms

*

8

Detection time: 10 µ s

*

9

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*

2

Min. 20 M Ω (at 500 V DC)

Initial breakdown voltage*

3

Between open contacts 500 Vrms for 1 min.
Between contacts and coil 500 Vrms for 1 min.

Operate time*

4

(at nominal voltage) Max. 15 ms

Release time (without diode)*

4

(at nominal voltage) Max. 15 ms

Shock resistance

Functional*

5

Min. 200 m/s

2

{20 G}

Destructive*

6

Min. 1,000 m/s

2

{100 G}

Vibration resistance

Functional*

7

10 to 500Hz, Min. 44.1m/s

2

{4.5G}

Functional*

8

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

2

{4.5G}

Conditions for operation, transport and storage*

9

(Not freezing and condensing at low temperature)

Ambient temp.

–40 ° C to +85 ° C –40 ° F to +185 ° F

(Heat resistant type: –40 ° C to +125 ° C –40 ° F to +257 ° F)

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*

2

Nil: 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