Item list of S8T-DCBU-02
| Model | S8T-DCBU-02 | ||
|---|---|---|---|
| Input | Voltage | 24 to 28 VDC | |
| Current | Charging | 0.4 A | |
| Standby | 0.18 A | ||
| Output
*1 |
Backup
operation |
Output voltage | For 24 V: 22.5 V typ., 22.0 V min.
For 28 V: 26.4 V typ., 25.8 V min. |
| Output current | 2.5 A | ||
| Backup time
*2 |
Time required until the voltage drops from the fully charged level down
to 21.6 VDC 1,000 ms min. (for an output current of 1.2 A) 500 ms min. (for an output current of 2.5 A) |
||
| Additional
functions |
Output
functions *3 |
READY indicator | Yes (color: green) |
| READY output | Yes (relay: 24 VDC, 0.1 A max.) | ||
| Backup indictor | Yes (color: red) | ||
| Backup output | Yes (relay: 24 VDC, 0.1 A max.) | ||
| Overcurrent protection | Reverse-L dropping, automatic reset, overcurrent detection point:
5.8 to 6.8 A |
||
| Overvoltage protection | Yes | ||
| Parallel operation | Yes (Up to 4 Blocks) | ||
| Series operation | No | ||
| Other | Ambient operating
temperature |
Refer to the derating curve in Engineering Data. (with no condensation
or icing) |
|
| Storage temperature | -25 to 65°C | ||
| Ambient humidity | Operating: 25% to 85%; Storage: 25% to 90% | ||
| Dielectric strength *4 | 1.0 kVAC for 1 minute (between all DC connection terminals and PE
terminals; Detection current: 20 mA) 500 VAC for 1 minute (between all DC connection terminals/PE terminals and all signal output terminals; detection current: 20 mA) |
||
| Insulation resistance | 100 MΩ min. (between all DC connection terminals and PE terminals)
at 500 VDC |
||
| Vibration resistance *5 *6 | 10 to 55 Hz, 0.375-mm single amplitude for 2 h each in X, Y, and Z
directions |
||
| Shock resistance *5 *6 | 150 m/s2, 3 times each in ±X, ±Y, and ±Z directions | ||
| EMI | Conducted
Emission *5 |
Conforms to EN61204-3 EN55011 Class B and based on FCC Class A | |
| Radiated
Emission |
Conforms to EN61204-3 EN55011 Class B | ||
| EMS | Conforms to EN61204-3 High severity levels | ||
| Approved
standards |
UL: | UL508 (Listing; Class 2: Per UL1310) *7, UL60950-1 | |
| cUL: | CSA C22.2 No.14 (Class 2: Per No. 223) *7 | ||
| cUR: | CSA No. 60950-1 | ||
| EN/VDE: | EN50178 (= VDE0160), EN60950-1 (= VDE0805 Teil 1) | ||
| SEMI | SEMI F47-0200 | ||
| Weight | 450 g max. | ||
*1. The output characteristics are specified at the power output terminals.
*2. Refer to Backup Time on Catalog for details.
*3. Refer to Functions on Catalog for details.
*4. If the number of S8T-DCBU-02 Buffer Blocks to be connected is “N,” set the detection current to 20 mA × N.
*5. Specified by S8TS-06024[] connection.
*6. Be sure to mount an End Plate (PFP-M: Order separately) on each end of the Buffer Block. Refer to DIN Rails on
Catalog.
*7. To comply with Class 2, connect one S8TS-06024[] to one S8T-DCBU-02 Buffer Block.
*2. Refer to Backup Time on Catalog for details.
*3. Refer to Functions on Catalog for details.
*4. If the number of S8T-DCBU-02 Buffer Blocks to be connected is “N,” set the detection current to 20 mA × N.
*5. Specified by S8TS-06024[] connection.
*6. Be sure to mount an End Plate (PFP-M: Order separately) on each end of the Buffer Block. Refer to DIN Rails on
Catalog.
*7. To comply with Class 2, connect one S8TS-06024[] to one S8T-DCBU-02 Buffer Block.
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