Siemens 6EP1961-3BA21
MPN6EP1961-3BA21
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SITOP PSE202U redundancy module input/output: 24 V DC/40 A suitable for decoupling two SITOP power supplies with maximal per 20 A output current *Ex approval no longer available*
$134.20Ref. price · indicative, final on quote
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MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Electrical – Output
| Parameter | Value |
|---|---|
| Rated output voltage (DC) | 24 V |
| Rated current | 40 A |
| Rated current range | 40 A; max. aggregate current 40 A; +60 ... +70 °C: derating 3%/K |
| Output power at rated voltage/current (typ.) | 34 W |
| Output voltage characteristic | Controlled, isolated DC voltage |
| Output 1 rated voltage (DC) | 24 V |
| Output voltage adjustable | No |
Electrical – Input & Efficiency
| Parameter | Value |
|---|---|
| Efficiency | 96.6 % |
| Power supply network type | DC voltage |
Protection & Isolation
| Parameter | Value |
|---|---|
| Ingress protection (IP) rating | IP20 |
| Protection class | Class III |
| Galvanic isolation (SELV / standards) | yes, SELV acc. to EN 60950-1 (relay contact) |
Connections
| Parameter | Value |
|---|---|
| Electrical connection type | screw-type terminals |
| Input terminals | Input, output and ground: 1 screw terminal each for 0.33 ... 10 mm² single-core/finely stranded |
Mechanical
| Parameter | Value |
|---|---|
| Mounting method | Snaps onto DIN rail EN 60715 35x7.5/15 |
| Enclosure width | 70 mm |
| Enclosure height | 125 mm |
| Enclosure depth | 120 mm |
| Side-by-side mountable | Yes |
| Mounting clearance, left | 0 mm |
| Mounting clearance, right | 0 mm |
| Mounting clearance, top | 50 mm |
| Mounting clearance, bottom | 50 mm |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C; with natural convection |
| Storage temperature range | -40 ... +85 °C |
| Transport temperature range | -40 ... +85 °C |
| Climatic class (IEC 60721) | Climate class 3K3, 5 … 95% no condensation |
Approvals & EMC
| Parameter | Value |
|---|---|
| CE marking | Yes |
| UL approval | Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 |
| CSA approval | Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 |
| NEC Class 2 | No |
| ATEX approval | No |
| IECEx approval | No |
| UL HazLoc approval | No |
| cCSAus Class I Div 2 (hazardous loc.) | No |
| EAC approval | Yes |
| Shipbuilding approval | ABS, DNV GL |
| EMC – emission standard | EN 55022 Class B |
| EMC – immunity standard | EN 61000-6-2 |
Reliability & Features
| Parameter | Value |
|---|---|
| MTBF at 40 °C | 6 471 654 h |
| Status indicators / display | Green LED for "both Input voltages > switching threshold"; red LED: for "at least one input voltage < switching threshold" |
MPN
6EP1961-3BA21