CB
MINI-ISO
CB RELAYS
AUTOMOTIVE RELAY
FEATURES TYPICAL APPLICATIONS
This relay has an Mini-ISO Automobiles
(International Organization for Headlights, Cell motors, Air conditioners,
Standardization) terminal ABS, EPS, etc.
arrangement. Construction equipment
Relay is compact and high capacity Agricultural equipment, Conveyor,
(40 A). etc.
Compact form factor realized with space
saving 22 26 mm .866 1.024 inch
small base area thanks to integrated
bobbin and base construction. Features
high switching capacity of 40 A
Features high thermal resistance of
125C 257F (heat resistant type).
Heat resistant type is available that can
withstand use near engines. (40 A
switching capacity)
Built-in resistor type is also
RoHS compliant
available.
ORDERING INFORMATION
CB
Contact arrangement
1a: 1 Form A
1: 1 Form C
Contact rating
Nil: Standard type
H: High contact capacity type
Protective construction
Nil: Sealed type
F: Flux-resistant type
Heat resistant of types
Nil: Standard type
T: Heat resistant type
Protective element
Nil: None
R: with resistor inside
Mounting classification
Nil: Plug-in type
P: PC board type
M: Bracket type
Coil voltage (DC)
12V, 24 V
ASCTB220E 201208-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/CB
TYPES
1. Standard type
Sealed type Flux-resistant type
Contact arrangement Mounting classication Nominal coil voltage
Part No. Part No.
12V DC CB1a-P-12V CB1aF-P-12V
PC board type
24V DC CB1a-P-24V CB1aF-P-24V
12V DC CB1a-12V CB1aF-12V
1 Form A Plug-in type
24V DC CB1a-24V CB1aF-24V
12V DC CB1a-M-12V CB1aF-M-12V
Bracket type
24V DC CB1a-M-24V CB1aF-M-24V
12V DC CB1-P-12V CB1F-P-12V
PC board type
24V DC CB1-P-24V CB1F-P-24V
12V DC CB1-12V CB1F-12V
1 Form C Plug-in type
24V DC CB1-24V CB1F-24V
12V DC CB1-M-12V CB1F-M-12V
Bracket type
24V DC CB1-M-24V CB1F-M-24V
12V DC CB1aH-P-12V CB1aHF-P-12V
PC board type*
24V DC CB1aH-P-24V CB1aHF-P-24V
12V DC CB1aH-12V CB1aHF-12V
High contact capacity
Plug-in type
(1 Form A)
24V DC CB1aH-24V CB1aHF-24V
12V DC CB1aH-M-12V CB1aHF-M-12V
Bracket type
24V DC CB1aH-M-24V CB1aHF-M-24V
Standard packing; Carton: 50 pcs. Case: 200 pcs.
Note: Please use CBR to order with resistor inside type. (Asterisks should be lled in from ORDERING INFORMATION.)
2. Heat resistant type
Sealed type Flux-resistant type
Contact arrangement Mounting classication Nominal coil voltage
Part No. Part No.
12V DC CB1a-T-P-12V CB1aF-T-P-12V
PC board type
24V DC CB1a-T-P-24V CB1aF-T-P-24V
12V DC CB1a-T-12V CB1aF-T-12V
1 Form A Plug-in type
24V DC CB1a-T-24V CB1aF-T-24V
12V DC CB1a-T-M-12V CB1aF-T-M-12V
Bracket type
24V DC CB1a-T-M-24V CB1aF-T-M-24V
12V DC CB1-T-P-12V CB1F-T-P-12V
PC board type
24V DC CB1-T-P-24V CB1F-T-P-24V
12V DC CB1-T-12V CB1F-T-12V
1 Form C Plug-in type
24V DC CB1-T-24V CB1F-T-24V
12V DC CB1-T-M-12V CB1F-T-M-12V
Bracket type
24V DC CB1-T-M-24V CB1F-T-M-24V
12V DC CB1aH-T-P-12V CB1aHF-T-P-12V
PC board type*
24V DC CB1aH-T-P-24V CB1aHF-T-P-24V
12V DC CB1aH-T-12V CB1aHF-T-12V
High contact capacity
Plug-in type
(1 Form A)
24V DC CB1aH-T-24V CB1aHF-T-24V
12V DC CB1aH-T-M-12V CB1aHF-T-M-12V
Bracket type
24V DC CB1aH-T-M-24V CB1aHF-T-M-24V
Standard packing; Carton: 50 pcs. Case: 200 pcs.
Note: Please use CBR to order with resistor inside type. (Asterisks should be lled in from ORDERING INFORMATION.)
RATING
1. Coil data
1) No protective element
Contact Nominal coil Nominal operating Nominal operating Usable voltage
Pick-up voltage Drop-out voltage Coil resistance
arrangement voltage current power range
12V DC 3 to 7V DC 1.2 to 4.2V DC 117mA 103 1.4W 10 to 16V DC
1 Form A,
1 Form C
24V DC 6 to 14V DC 2.4 to 8.4V DC 75mA 320 1.8W 20 to 32V DC
117mA 103 1.4W (PC board type)
12V DC 3 to 7V DC 1.2 to 4.2V DC 10 to 16V DC
High contact
150mA 80 1.8W
capacity
58mA 411 1.4W (PC board type)
(1 Form A)
24V DC 6 to 14V DC 2.4 to 8.4V DC 20 to 32V DC
75mA 320 1.8W
Note: Other pick-up voltage types are also available. Please contact us for details.
2) With resistor inside
Nominal operating Combined resistance Nominal operating
Contact Nominal coil Pick-up voltage Drop-out voltage Usable voltage
current (10%) power
arrangement voltage (Initial, at 20C 68F) (Initial, at 20C 68F) range
(at 20C 68F) (at 20C 68F) (at 20C 68F)
12V DC 3 to 7V DC 1.2 to 4.2V DC 134mA 89.5 1.6W 10 to 16V DC
1 Form A,
1 Form C
24V DC 6 to 14V DC 2.4 to 8.4V DC 84mA 287.2 2.0W 20 to 32V DC
ASCTB220E 201208-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/