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Product description
The Siemens 6EP1961-2BA21 requires only 72 mm of width on a 35-mm standard mounting rail. With a height of 80 mm, a depth of 72 mm and a weight of about 0.2 kg, this version is a four-channel SITOP-PSE200U selectivity module. The input processes regulated 24 V DC within a range from 22 to 30 V and is rated for a maximum of 40 A. Four switchable outputs carry up to 10 A at ambient temperatures up to 60 °C. The trip threshold is set separately for each channel from 3 to 10 A. The output typically provides the input voltage minus 0.2 V, resulting in an efficiency of 99 percent. The current-limiting shutdown characteristic and internal 15-A fuses are specified for each output. The input and output are not galvanically isolated when switched off. Common switch-on delays of 0, 25 or 100 ms and a load-optimised sequence are available for time staggering. Three-colour LEDs indicate for each channel whether it is switched through, manually switched off or switched off due to overcurrent. A changeover contact also provides the collective signal; its rating is 0.1 A at 24 V DC. A non-isolated 24-V input permits remote reset, with a High signal defined above 15 V. Wiring uses screw terminals. Two terminals up to 16 mm² are provided for the positive input and one terminal up to 4 mm² for each of the four outputs. Degree of protection IP20 and equipment protection class III characterise the enclosure. Compared with related PSE200U modules, the 3-to-10-A setting range and common signalling contact in particular distinguish this article number.
Example image – The item supplied will have the stated manufacturer or type number and the stated condition category. Serial number, manufacturing date, labels, colour, packaging and normal signs of use or storage may differ. Specifications
| Manufacturer | Siemens |
|---|---|
| Product range | SITOP PSE200U |
| Manufacturer/order/identification number | 6EP1961-2BA21 |
| Product type designation | SITOP PSE200U/4X3-10A/CSC |
| Device type | Four-channel selectivity module |
| Input voltage | 24 V DC; admissible 22–30 V |
| Input current | max. 40 A at 24 V DC |
| Output channels | 4 |
| Output voltage | typ. input voltage minus 0.2 V |
| Output current | max. 10 A per channel up to 60 °C |
| Setting range | 3–10 A per output |
| Efficiency | 99 % |
| Switch-on delay | 0 ms, 25 ms, 100 ms or load-optimised |
| Signalling contact | Collective signal as changeover contact; 0.1 A at 24 V DC |
| Remote reset | 24-V input, not galvanically isolated; High > 15 V |
| Status indication | Three-colour LED per output |
| Connection type | Screw terminals |
| Degree of protection | IP20; protection class III |
| Dimensions | 72 × 80 × 72 mm |
| Weight | approx. 0.2 kg |
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Which current range does the Siemens 6EP1961-2BA21 cover per channel?
For each of the four 24-V-DC outputs, the trip threshold can be set between 3 and 10 A; rated current is up to 10 A per output at 60 °C.
Which signals does the SITOP-PSE200U module provide?
Three-colour LEDs indicate the state of each output. A common changeover signalling contact rated at 0.1 A at 24 V DC is also provided.
What applies if an item develops a defect within 14 days?
For the condition categories “Used, removed from an installation” and “New, old stock”, the contractual 14-day right of return in the event of a defect applies. The defect must occur within 14 calendar days after delivery and be reported in text form within the same period.
In particular, the REHA tamper-evident seal must remain fully intact and our RMA approval is required before return. In an accepted case, we decide between replacement and refund. Details in Section 11 of the Terms.
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The shipping method, shipping cost and estimated delivery time are confirmed for the specific order. Depending on the item, destination and urgency, we can check parcel, express or freight shipping as well as collection.
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Can I return an item ordered incorrectly or found incompatible?
No. There is no general B2B right of return, exchange, cancellation or withdrawal. Incorrect or duplicate orders and a lack of suitability or compatibility with the customer’s installation are not covered by the contractual 14-day right of return in the event of a defect. Details in Section 12 of the Terms.
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