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参数资料
| 型号： | CB1A-WM-24V |
| 厂商： | Panasonic Electric Works |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | RELAY AUTOMOTIVE SPST 20A 24V |
| 其它有关文件： | General Appl Guidelines |
| 标准包装： | 50 |
| 系列： | CB |
| 继电器类型： | 自动 |
| 线圈类型： | 无锁存 |
| 线圈电流： | 75mA |
| 线圈电压： | 24VDC |
| 触点形式： | SPST-NO（1 A 型） |
| 触点额定值（电流）： | 20A |
| 切换电压： | 28VDC - 标称 |
| 关闭电压（最大）： | 14 VDC |
| 关闭电压（最小）： | 2.4 VDC |
| 特点： | 密封式 - 全部 |
| 安装类型： | 底座安装 |
| 端接类型： | 快速连接 - 0.250"（6.3mm） |
| 包装： | 散装 |
| 触点材料： | 银合金，无镉 |
| 操作时间： | 15ms |
| 释放时间： | 15ms |
| 线圈功率： | 1.8 W |
| 线圈电阻： | 320 欧姆 |
| 工作温度： | -40°C ~ 85°C |
CB
2. Speci?cations
1) Standard type (12 V coil voltage)
Characteristics
Item
Speci?cation
Contact
Arrangement
Contact resistance (Initial)
Contact material
Nominal switching capacity (Initial)
1 Form A
40A 14V DC
1 Form C
Typ2m ? (By voltage drop 6 V DC 1 A)
Ag alloy (Cadmium free)
N.O.: 40A 14V DC
N.C.: 30A 14V DC
High contact capacity
(1 Form A)
70A 14V DC (at 20 ° C 68 ° F )
50A 14V DC (at 85 ° C 185 ° F )
Rating
Max. carrying current (Initial)
(14V DC, at 85 ° C 185 ° F , continuous)
N.O.: 40A
N.O.: 40A, N.C.: 30A
N.O.: 40A
Nominal operating power
1.4W
1.4W 1.8W (1.4W: PC board type)
Min. switching capacity (resistive load)* 1
Insulation resistance (Initial)
1A 14V DC
Min. 20 M ? (at 500V DC, Measurement at same location as “Breakdown voltage” section.)
Breakdown
Between open contacts
500 Vrms for 1 min. (Detection current: 10mA)
Electrical
voltage (Initial)
Between contacts and coil
500 Vrms for 1 min. (Detection current: 10mA)
characteristics
Operate time (at nominal coil voltage)
(at 20 ° C 68 ° F )
Release time (at nominal coil voltage)
(at 20 ° C 68 ° F )
Max. 15ms (excluding contact bounce time) (Initial)
Max. 15ms (excluding contact bounce time) (Initial)
Mechanical
characteristics
Shock resistance
Vibration
resistance
Functional
Destructive
Functional
Destructive
Min. 200 m/s 2 {20G}
Min. 1,000 m/s 2 {100G}
10 Hz to 500 Hz, Min. 44.1m/s 2 {4.5G}
10 Hz to 2,000 Hz, Min. 44.1m/s 2 {4.5G} Time of vibration for each direction; X. Y. Z direction: 4 hours
Expected life
Conditions
Electrical (at nominal switching capacity)
Mechanical
Conditions for operation, transport and
storage* 2
Flux-resistant type: Min. 10 5 , Sealed type: Min. 5 × 10 4 (Operating frequency: 2s ON, 2s OFF)
Min. 10 6 (at 120 cpm)
Standard type; Ambient temperature: –40 to +85 ° C –40 to +185 ° F ,
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Heat resistant type; Ambient temperature: –40 to +125 ° C –40 to +257 ° F ,
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Mass
Max. operating speed
15 cpm (at nominal switching capacity)
Approx. 33 g 1.16 oz
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Please refer to “Usage ambient
condition” in CAUTIONS FOR USE OF AUTOMOTIVE RELAYS.
2) Standard type (24 V coil voltage)
Characteristics
Item
Speci?cations
Contact
Arrangement
Contact resistance (Initial)
Contact material
Nominal switching capacity (Initial)
1 Form A
20A 28V DC
1 Form C
Max. 15m ? (By voltage drop 6 V DC 1 A)
Ag alloy (Cadmium free)
N.O.: 20A 28V DC
N.C.: 10A 28V DC
High contact capacity
(1 Form A)
20A 28V DC
Rating
Max. carrying current (Initial)
(28V DC, at 85 ° C 185 ° F , continuous)
Nominal operating power
20A
1.8W
N.O.: 20A, N.C.: 10A
1.8W
20A
1.8W, 1.4W (PC board type)
Note: All other speci?cations are the same as those of standard type (12 V coil voltage)
3) Heat resistant type (12 V and 24 V coil voltage)
Characteristics
Item
12V
Speci?cations
24V
High contact
High contact
Arrangement
1 Form A
1 Form C
capacity
1 Form A
1 Form C
capacity
Contact
Contact resistance (Initial)
Contact material
(1 Form A)
Max. 15m ? (By voltage drop 6 V DC 1 A)
Ag alloy (Cadmium free)
(1 Form A)
Nominal switching capacity
(Initial)
40A 14V DC
N.O.: 40A 14V DC
N.C.: 30A 14V DC
40A 14V DC
20A 28V DC
N.O.: 20A 28V DC
N.C.: 10A 28V DC
20A 28V DC
Rating
Max. carrying current (Initial)
(at 85 ° C 185 ° F , continuous)*
50A 14V DC
N.O.: 50A 14V DC 45A 50A
N.C.: 30A 14V DC 14V DC 14V DC
25A 28V DC
N.O.: 25A 28V DC
N.C.: 10A 28V DC
25A 28V DC
Nominal operating power
1.4W
1.4W
1.8W
1.4W
(PC
board
type)
1.8W
1.8W
1.8W,
1.4W
(PC board type)
Notes: 1. All other speci?cations 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
ASCTB220E 201208-T
Panasonic Corporation
Automation Controls Business Unit
industrial.panasonic.com/ac/e/
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