Siemens 6EP1931-2EC31 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels.
Siemens 6EP1931-2EC31 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels.
| Manufacturer part number (MPN) | 6EP1931-2EC31 |
| EAN / GTIN | 4025515151050 |
| Sales unit | pcs |
| Supply voltage at DC rated value | 24 V |
| Input voltage at DC | 22 ... 29 V |
| Adjustable response value voltage for buffer connection preset | 22.5 V |
| Adjustable response value voltage for buffer connection | 22 ... 25.5 V; Adjustable in 0.5 V increments |
| Input current at rated input voltage 24 V rated value | 15 A; + approx. 1 A with empty battery |
| Type of energy storage | with batteries |
| Design of the mains power cut bridging-connection | Dependent on connected battery and load current, see selection table battery module and mains buffering times as well as the relevant important information notes! |
| Output voltage — in normal operation at DC rated value | 24 V |
| Output voltage — in buffering mode at DC rated value | 24 V |
| Formula for output voltage | Vin - approx. 0.5 V |
| Startup delay time typical | 1 s |
| Voltage increase time of the output voltage typical | 60 ms |
| Output voltage in buffering mode at DC | 19 ... 28.5 V |
| Output current — rated value | 15 A |
| Output current — in normal operation | 0 ... 15 A |
| Output current — in buffering mode | 0 ... 15 A |
| Peak current | 15.7 A |
| Property of the output short-circuit proof | Yes |
| Charging current | 0.35 A, 0.7 A |
| Efficiency in percent — at rated output voltage for rated value of the output current typical | 96.2 % |
| Efficiency in percent — in case of operation on rechargeable battery typical | 96 % |
| Power loss [W] — at rated output voltage for rated value of the output current typical | 14 W |
| Power loss [W] — in case of operation on rechargeable battery typical | 15 W |
| Supplied active power typical | 360 W |
| Product function — reverse polarity protection against energy storage unit polarity reversal | Yes |
| Product function — reverse polarity protection against input voltage polarity reversal | Yes |
| Display version — for normal operation | Normal operation: LED green (OK), floating changeover contact "Bat/OK" to setting "OK" ("OK" means: Voltage of the supplying power supply unit is greater than cut-in threshold set at the DC UPS module); Lack of buffer standby: LED red (a... |
| Display version — in buffering mode | Buffered mode: LED yellow (Bat), floating changeover contact "OK/Bat" to setting "Bat"; Prewarning battery voltage < 20.4 VDC: LED red (alarm), floating changeover contact "Alarm/Bat" to setting "Alarm"; Energy storage > 85%: LED green (... |
| Product component PC interface | Yes |
| Product function communication function | No |
| Design of the interface | serial |
| Galvanic isolation between input and output | No |
| Operating resource protection class | Class III |
| Protection class IP | IP20 |
| Standard — for emitted interference | EN 55022 Class B |
| Standard — for interference immunity | EN 61000-6-2 |
| Shipbuilding approval | Yes |
| Ambient temperature — during operation | -25 ... +60 °C; with natural convection |
| Ambient temperature — during transport | -40 ... +85 °C |
| Ambient temperature — during storage | -40 ... +85 °C |
| Type of electrical connection | screw terminal |
| Type of electrical connection — at input | 24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG |
| Type of electrical connection — at output | 24 V DC: 4 screw terminals for 1 ... 4 mm²/17 ... 11 AWG |
| Type of electrical connection — for rechargeable battery module | 24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG |
| Type of electrical connection — for control circuit and status message | 10 screw terminals for 0.5 ... 2.5 mm²/20 ... 13 AWG |
| Width × height × depth of the enclosure | 50 × 125 × 125 mm |
| Installation width × mounting height | 50 mm × 225 mm |
| Required spacing — top | 50 mm |
| Required spacing — bottom | 50 mm |
| Fastening method | Snaps onto DIN rail EN 60715 35x7.5/15 |
| Fastening method — DIN-rail mounting | Yes |
| Fastening method — S7 rail mounting | No |
| Fastening method — wall mounting | No |
| Housing can be lined up | Yes |
| Mechanical data — net weight | 0.45 kg |
| Electrical accessories | Battery module |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
| Country of origin | Germany |
| MOQ | 1 |