CB
Characteristics
Max. operating speed (at rated load)
Initial insulation resistance*2
15 cpm
Min. 20 MΩ (at 500 V DC)
500 Vrms for 1 min.
Between open contacts
Initial breakdown voltage*3
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
Functional*5
Destructive*6
Functional*7
Functional*8
Min. 200 m/s2 {20 G}
Min. 1,000 m/s2 {100 G}
10 to 500Hz, Min. 44.1m/s2 {4.5G}
10 to 2,000Hz, Min. 44.1m/s2 {4.5G}
Shock resistance
Vibration resistance
–40°C to +85°C –40°F to +185°F
(Heat resistant type: –40°C to +125°C –40°F to +257°F)
Conditions for operation, transport and storage*9
(Not freezing and condensing at low temperature)
Ambient temp.
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
*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)
*4 Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981
*5 Excluding contact bounce time
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
Nil: Standard type
Type classification
Nil: Standard type
Mounting classification
Coil voltage (DC)
12, 24 V
1a: 1 Form A
1: 1 Form C
1aH: High contact
capacity*1
Nil: Sealed type
F: Flux-resistant type
Nil: Quick connect type
P: PC board type
M:Bracket type
T: Heat resistant type*2 D: with diode inside
R: with resistor inside
(1 Form A)
*1 High contact capacity type is available only for “Quick connect” and 12 V.
(See “1. Standard type in TYPES” Page 380)
Note: Bulk pakage: 50 pcs.; Case: 200 pcs.
*2 Heat resistant type with high contact capacity is not available.
(See “2. Heat resistant type in TYPES” Page 381)
TYPES
1. Standard type
Part No.
Contact arrangement
Mounting classification
Coil voltage, V DC
Sealed type
CB1a-P-12V
CB1a-P-24V
CB1a-12V
Flux-resistant type
CB1aF-P-12V
CB1aF-P-24V
CB1aF-12V
12V
24V
12V
24V
12V
24V
12V
24V
12V
24V
12V
24V
12V
PC board type
Quick connect type
Bracket type
1 Form A
CB1a-24V
CB1aF-24V
CB1a-M-12V
CB1a-M-24V
CB1-P-12V
CB1-P-24V
CB1-12V
CB1aF-M-12V
CB1aF-M-24V
CB1F-P-12V
CB1F-P-24V
CB1F-12V
PC board type
1 Form C
Quick connect type
CB1-24V
CB1F-24V
CB1-M-12V
CB1-M-24V
CB1aH-12V
CB1F-M-12V
CB1F-M-24V
CB1aHF-12V
Bracket type
High contact capacity (1 Form A)
380
Quick connect type
NAIS [ NAIS(MATSUSHITA ELECTRIC WORKS) ]
