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

HIGH POWER

AUTOMOTIVE RELAY CB-RELAYS

22.0	26.5
.

25.5

1.004

	22.0	26.0
		1.024
	.866

25.0

.984

mm inch

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)

	Arrangement		1 Form A	1 Form C	High contact capacity
					(1 Form A)
		Nominal switching capacity	40 A 14 V DC	N.O.: 40 A 14 V DC	70 A 14 V DC (at 20°C 68°F)
				N.C.: 30 A 14 V DC	50 A 14 V DC (at 85°C 185°F)
	Rating
		Max. switching current	40 A 14 V DC	N.O.: 40 A 14 V DC	40 A 14 V DC
		(at 85°C 185°F)		N.C.: 30 A 14 V DC
	Initial contact resistance, max.			15mΩ
	Contact material			Silver alloy
		Mechanical (at 120 cpm)		Min. 106
	Expected life	Electrical (at rated load)		Flux-resistant type: Min. 105*1
				Sealed type: Min. 5 × 104

(2) Standard type (24V coil voltage)

	Arrangement		1 Form A	1 Form C
		Nominal switching capacity	20 A 28V DC	N.O.: 20 A 28 V DC
				N.C.: 10 A 28 V DC
	Rating
		Max. switching current	20 A 28 V DC	N.O.: 20 A 28 V DC
		(at 85°C 185°F)		N.C.: 10 A 28 V DC
	*1 All other specifications are the same as those of standard type (12V coil voltage)

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

	Type		12V coil voltage		24V coil voltage
	Arrangement		1 Form A	1 Form C	1 Form A	1 Form C
		Nominal switching	35 A 14V DC	N.O.: 35 A 14 V DC	20 A 28 V DC	N.O.: 20 A 28 V DC
		capacity		N.C.: 30 A 14 V DC		N.C.: 10 A 28 V DC
	Rating
		Max. switching current	35 A 14 V DC	N.O.: 35 A 14 V DC	20 A 28V DC	N.O.: 20 A 28 V DC
		(at 85°C 185°F)		N.C.: 30 A 14 V DC		N.C.: 10 A 28 V DC
	*1 All other specifications are the same as those of standard type (12V coil voltage)

Coil

Arrangement	Coil voltage	Nominal operating power
1 Form A,	12V DC	1.4W
1 Form C	24V DC	1.8W
High contact capacity	12V DC	1.8W

379

CB

Characteristics

	Max. operating speed (at rated load)			15 cpm
	Initial insulation resistance*2			Min. 20 MΩ (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/s2 {20 G}
			Destructive*6	Min. 1,000 m/s2 {100 G}
	Vibration resistance		Functional*7	10 to 500Hz, Min. 44.1m/s2 {4.5G}
			Functional*8	10 to 2,000Hz, Min. 44.1m/s2 {4.5G}
	Conditions for operation, transport and storage*9		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)
	(Not freezing and condensing at low temperature)
			Humidity	5 to 85% R.H.
	Unit weight			Approx. 33 g 1.16 oz

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 × 50µs according to JEC-212-1981 *5 Excluding contact bounce time

*6 Half-wave pulse of sine wave: 11ms; detection time: 10µs *7 Half-wave pulse of sine wave: 6ms

*8 Detection time: 10µs

*9 Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 61)

TYPICAL APPLICATIONS

•Automotive system

•ABS, Head Lamp, Air conditioner

•Tracter, Combine

ORDERING INFORMATION

	CB	1	F	T	R	M	12 V
Contact arrangement	Protective construction		Heat resistant of types		Type classification		Mounting classification	Coil voltage (DC)
1a: 1 Form A
	Nil: Sealed type		Nil: Standard type		Nil: Standard type		Nil: Quick connect type	12, 24 V
1: 1 Form C	F: Flux-resistant type		T: Heat resistant type*2		D: with diode inside		P: PC board type
1aH: High contact					R: with resistor inside		M:Bracket type
capacity*1
(1 Form A)

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
	PC board type	12V	CB1a-P-12V		CB1aF-P-12V
		24V	CB1a-P-24V		CB1aF-P-24V
1 Form A	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
	PC board type	12V	CB1-P-12V		CB1F-P-12V
		24V	CB1-P-24V		CB1F-P-24V
1 Form C	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

380