| SITOP BUF8600 4S/40A |
| SITOP BUF8600 4s Buffer module for PSU8600 Buffer capacity 4 s/40 A with dual-layer capacitators maintenance-free |
| Mains buffering |
| Type of energy storage | Double-layer capacitors |
| Design of the mains power cut bridging-connection | Backup time with 40 A load current: 4 s |
| Buffering time for rated value of the output current in the event of power failure | 4 000 ms |
| Output |
| Output current | |
| Rated value | 40 A |
| Signaling |
| Display version | 3-color LED for operating state module |
| for normal operation | LED green for "buffer standby exist" |
| in buffering mode | LED yellow for "buffered mode" |
| Interface |
| Design of the interface | Ethernet/PROFINET via power supply unit PSU8600 |
| Safety |
| Operating resource protection class | Class III |
| Certificate of suitability | |
| CE marking | Yes |
| as approval for USA | cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cCSAus (CSA C22.2 No. 60950-1, UL 60950-1) |
| relating to ATEX | IECEx nA IIC T5 Gc; ATEX (EX) II 3G Ex nA IIC T5 Gc; cCSAus (CSA C22.2 No. 213, ANSI/ISA-12.12.01) Class I, Div. 2, Group ABCD, T5 |
| C-Tick | No |
| Type of certification CB-certificate | Yes |
| Shipbuilding approval | ABS, DNV GL |
| Protection class IP | IP20 |
| EMC |
| Standard | |
| for emitted interference | EN 55022 Class B |
| for interference immunity | EN 61000-6-2 |
| Operating data |
| Ambient temperature | |
| during operation | -25 ... +60 °C; with natural convection |
| during transport | -40 ... +70 °C |
| during storage | -40 ... +70 °C |
| Environmental category acc. to IEC 60721 | Climate class 3K3; in addition 95% maximum relative humidity, but without condensation |
| Mechanics |
| Type of electrical connection | Plug-in terminal with screw connectors |
| at input | - |
| at output | - |
| for control circuit and status message | X1, X2 (control contact) and 13,14, 23, 24 (message signals): 1 screw terminal each for 0.2 ... 1.5 mm² |
| Type of connection to system components | Via integrated connector |
| Width of the enclosure | 60 mm |
| Height of the enclosure | 125 mm |
| Depth of the enclosure | 150 mm |
| Required spacing | |
| top | 50 mm |
| bottom | 50 mm |
| left | 0 mm |
| right | 0 mm |
| Net weight | 1.25 kg |
| Product feature of the enclosure housing for side-by-side mounting | Yes |
| Mounting type | Snaps onto DIN rail EN 60715 35x15 |
| Mechanical accessories | Device identification label 20 mm × 7 mm, TI-grey 3RT2900-1SB20 |
| MTBF at 40 °C | 1 374 707 h |
| Reference code acc. to DIN EN 81346-2 | T |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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