Electronic Circuit Breaker
S8V-CP - Electronic Circuit Breaker
S8V-CP protects DC circuits very precisely. Overload and short circuits are accurately detected and reliably switched off
- 4- / 8-channel electronic circuit breakers with adjustable tripping currents from 2 to 10 A
- Thermomagnetic tripping characteristic
- Sequential and load-dependent start-up of the outputs to avoid high inrush currents
- Ability to switch-on high capacitive loads reliably
- Backlit buttons with multi-color LEDs indicate the output status at a glance
- Push-In Plus terminal blocks
- Space saving Value Design for Panel
- UL Class 2 model reduces the costs of applying a safety standard
Specifications & ordering info
Ordering information
Model Number Structure
Model Number Legend
Not all combinations are possible. Refer to List of Models in Ordering Information, below.
(1) Number of Outputs
| Code | Number of Outputs |
|---|---|
| 04 | 4 outputs |
| 08 | 8 outputs |
(2) Rated input voltage
| Code | Rated input voltage |
|---|---|
| 24 | 24 VDC |
(3) UL Class 2 output
| Code | UL Class 2 output certified |
|---|---|
| S | Yes |
| No | No |
List of Models
Unit
| Number of Outputs | UL Class 2 output | Order code |
|---|---|---|
| 4 outputs | No | S8V-CP0424 |
| Yes | S8V-CP0424S | |
| 8 outputs | No | S8V-CP0824 |
Specifications
| Item | Model Number of Outputs UL Class 2 output | S8V-CP0424 | S8V-CP0424S | S8V-CP0824 | |
|---|---|---|---|---|---|
| 4 | 4 | 8 | |||
| No | Yes | No | |||
| I/O characteristics | Rated input voltage (Input voltage allowable range) | 24 VDC (20 to 30 VDC) | 24 VDC (20 to 28.8 VDC) | 24 VDC (20 to 30 VDC) | |
| Allowable
input current
2
For power input terminals, use 35 A max. per pole. |
40 A | 15.2 A | 70 A | ||
| Max. rated output current (per output) | 10 A | 3.8 A | 10 A | ||
| Internal
voltage drop
2
A voltage drop will occur in the S8V-CP. Consider
the voltage drop at the output. |
200 mV max. | 150 mV max. | 200 mV max. | ||
| Output leakage current | 10 mA max. | ||||
| Power consumption
2
When
selecting the power supply, be sure to include the internal power
consumption of the S8V-CP and not just the power consumption of
the load. |
When all outputs are connected |
10 W max. (at 10 A) | 3.1 W max. (at 3.8 A) | 20 W max. (at 10 A) | |
| When all output branches are tripped |
0.84 W typ. | 0.82 W typ. | 1.32 W typ. | ||
| Start-up
time
2
Outputs start in order from +VO1 to +VO8. +VO1 starts after
the initialization time. Start-up delay time of each output is automatically
decided depending on the load. If the start-up delay time is over
5 s, the next output is forcibly started. |
Initialization time | 250 ms typical | |||
| Start-up delay time | 50 ms to 5 s | ||||
| Functions
2
Refer
to Cat. No. T226-E1 for details. |
Current
tripping function
2
Refer to Cat. No. T226-E1
for details. |
Rated output current | 2 A, 3 A, 4 A, 6 A, 8 A, 10 A | 3.8 A | 2 A, 3 A, 4 A, 6 A, 8 A, 10 A |
| Cutoff current | 2.5 A, 3.5 A, 4.5 A, 6.5 A, 8.5 A, 10.5 A |
3.8 A | 2.5 A, 3.5 A, 4.5 A, 6.5 A, 8.5 A, 10.5 A |
||
| Over voltage
tripping function
2
Refer to Cat. No. T226-E1
for details. |
No | Yes | No | ||
| Push button (ON/OFF/RESET) with indicator | Yes (LED colors: Red/Green/Yellow) | ||||
| Reset signal input (RST) | Yes (High level: 15 to 30 VDC, Low level: 0 to 5 VDC) | ||||
| Alarm signal output (ALM1/ALM2) | Yes (MOS FET relay output 30 VDC max., 50 mA max.) | ||||
| Insulation | Dielectric strength | 1.0 kVAC for 1 min (between all terminals and DIN rail mounting parts), current cutoff 20 mA | |||
| Insulation resistance | 100 MΩ min. (between all terminals and DIN rail mounting parts) at 500 VDC | ||||
| Environment | Ambient operating temperature | –25 to 70°C (Derating is required according to the temperature.) (with no condensation or icing) | |||
| Storage temperature | –40 to 85°C (with no condensation or icing) | ||||
| Ambient operating humidity | 5% to 96% (storage humidity: 5% to 96%) | ||||
| Vibration resistance | 10 to 55 Hz, maximum 5 G, 0.42 mm half amplitude for 2 h each in X, Y, and Z directions | ||||
| Shock resistance | 294 m/s2, 3 times each in ±X, ±Y, ±Z directions | ||||
| Reliability | MTBF
2
MTBF
is calculated according to JEITA RCR-9102. |
13,5000 hrs typ. | 60,000 hrs typ. | 13,5000 hrs typ. | |
| Life expectancy
2
Refer
to Cat. No. T226-E1 for details. |
10 years min. | ||||
| Construction | Weight | 160 g max. | 170 g max. | 420 g max. | |
| Cooling fan | No | ||||
| Degree of protection | IP20 by EN/IEC 60529 | ||||
| Standards | EMI | Conforms to EN 61000-6-3 | |||
| EMS | Conforms to EN 61000-6-2 | ||||
| Safety standards | UL 508 (CSA22.2 No.14-10) Listing Pol2 UL 2367 Recognition (Max. 100W per output, per Class 2 limitations) Pol2
2
UL Class 2 output applies for the S8V-CP0424S model only. CE (EN 61000-6-2, EN 61000-6-3) |
||||
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