CB (ACB)
–3– ASCTB220E 201709-T
2. Specifications
1) Standard type (12 V coil voltage)
Notes: *1. Depends on connection conditions. Also, this does not guarantee repeated switching. We recommend that you confirm operation under actual conditions.
*2. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. For details, please refer to the
“Automotive Relay Users Guide”.
Please inquire our sales representative if you will be using the relay in a high temperature atmosphere (110°C 230°F)
2) Standard type (24 V coil voltage)
Note: All other specifications are the same as those of standard type (12 V coil voltage)
3) Heat resistant type (12 V and 24 V coil voltage)
Notes: 1. All other specifications are the same as those of standard type (12 V coil voltage)
2. *Current value in which carry current is possible when the coil temperature is 180°C 356°F
Item Specification
Contact data
Contact arrangement 1 Form A 1 Form C 1 Form A High contact capacity
Contact resistance (initial) Max. 15mΩ (Typ. 2mΩ) (By voltage drop 1A 6V DC)
Contact material Ag alloy
Rated switching capacity
(resistive) 40A 14V DC N.O. side: 40A 14V DC
N.C. side: 30A 14V DC
70A 14V DC (at 20°C 68°F)
50A 14V DC (at 85°C 185°F)
Max. carrying current (initial)
(coil applied voltage 14V DC,
at 85°C 185°F, continuous)
N.O. side: 40A N.O. side: 40A
N.C. side: 30A N.O. side: 40A
Min. switching load
(resistive)*11A 14V DC (at 20°C 68°F)
Insulated resistance (initial) Min. 20 MΩ (at 500V DC, Measurement at same location as “Dielectric strength” section.)
Dielectric
strength (initial)
Between open contacts 500 Vrms for 1 min. (Detection current: 10mA)
Between contacts and coil 500 Vrms for 1 min. (Detection current: 10mA)
Time
characteristics
(initial)
Operate (Set) time
(at rated coil voltage) Max. 15ms (at 20°C 68°F, without contact bounce time)
Release (Reset) time
(at rated coil voltage) Max. 15ms (at 20°C 68°F, without contact bounce time) (Without diode)
Shock
resistance
Functional Min. 200 m/s2 {approx. 20G} (Half-wave pulse of sine wave: 11ms; detection time: 10μs)
Destructive Min. 1,000 m/s2 {approx. 100G} (Half-wave pulse of sine wave: 6ms)
Vibration
resistance
Functional 10 to 500 Hz, Min. 44.1m/s2 {approx. 4.5G} (Detection time: 10μs)
Destructive 10 to 2,000 Hz, Min. 44.1m/s2 {approx. 4.5G} Time of vibration for each direction; X. Y. Z direction: 4 hours
Expected life
Mechanical Min. 106 (at 120 cpm)
Electrical (at rated switching
capacity) Flux tight: Min. 105, Sealed: Min. 5×104 (Operating frequency: 2s ON, 2s OFF)
Conditions Conditions for usage,
transport and storage*2
Standard; Ambient temperature: –40 to +85°C –40 to +185°F, Humidity: 5 to 85% R.H. (Please avoid icing or
condensation)
Heat resistant; Ambient temperature: –40 to +125°C –40 to +257°F, Humidity: 5 to 85% R.H. (Please avoid icing or
condensation)
Weight Approx. 33 g 1.16 oz
Item Specifications
Contact data
Contact arrangement 1 Form A 1 Form C 1 Form A High contact capacity
Contact resistance (initial) Max. 15mΩ (By voltage drop 1A 6V DC)
Contact material Ag alloy
Rated switching capacity
(resistive) 20A 28V DC N.O. side: 20A 28V DC
N.C. side: 10A 28V DC 20A 28V DC
Max. carrying current (initial)
(28V DC, at 85°C 185°F,
continuous)
20A N.O. side: 20A
N.C. side: 10A 20A
Item Specifications
12V 24V
Contact data
Contact arrangement 1 Form A 1 Form C
1 Form A
High contact
capacity
1 Form A 1 Form C
1 Form A
High contact
capacity
Contact resistance (initial) Max. 15mΩ (By voltage drop 1A 6V DC)
Contact material Ag alloy
Rated switching capacity
(resistive) 40A 14V DC
N.O. side:
40A 14V DC
N.C. side:
30A 14V DC
40A 14V DC 20A 28V DC
N.O. side:
20A 28V DC
N.C. side:
10A 28V DC
20A 28V DC
Max. carrying current (initial)
(at 85°C 185°F, continuous)* 50A 14V DC
N.O. side:
50A 14V DC
N.C. side:
30A 14V DC
45A
14V DC
50A
14V DC 25A 28V DC
N.O. side:
25A 28V DC
N.C. side:
10A 28V DC
25A 28V DC