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Siemens 3TH4271-5KB4
Contactor relay, 71E, EN 50011, 7 NO + 1 NC, screw terminal
- MPN
- 3TH4271-5KB4
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
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What is the Siemens 3TH4271-5KB4?
contactor relay, 71E, EN 50011, 7 NO + 1 NC, screw terminal, DC solenoid system with integrated varistor 24 V DC
Specifications
General
| product designation | Auxiliary contactor |
| product type designation | 3TH4 |
| size of contactor | 0 |
| reference code according to IEC 81346-2 | K |
| Substance Prohibitance (day/month/year) | 03/01/2017 |
| Net Weight | 666 g |
| ambient temperature during operation | -25 ... +55 °C |
| type of voltage of the control supply voltage | DC |
| control supply voltage at DC rated value | 24 V |
| design of the surge suppressor | with varistor |
| number of NC contacts for auxiliary contacts | 1 |
| number of NC contacts for auxiliary contacts — delayed switching | 0 |
| number of NC contacts for auxiliary contacts — lagging switching | 0 |
| number of NC contacts for auxiliary contacts — make-before-break switching | 0 |
| number of NO contacts for auxiliary contacts | 7 |
| number of NO contacts for auxiliary contacts — delayed switching | 0 |
| number of NO contacts for auxiliary contacts — leading contact | 0 |
| number of NO contacts for auxiliary contacts — make-before-break switching | 0 |
| number of CO contacts for auxiliary contacts | 0 |
| identification number and letter for switching elements | 71 E |
| operational current at AC-15 — at 230 V rated value | 10 A |
| operational current at AC-15 — at 400 V rated value | 6 A |
| fastening method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022 |
| height | 78 mm |
| width | 45 mm |
| depth | 135 mm |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
Safety related data
| product function positively driven operation according to IEC 60947-5-1 | Yes |
| B10 value with high demand rate according to SN 31920 | 1 000 000; With 0.3 x Ie |
| T1 value — for proof test interval or service life according to IEC 61508 | 20 a |
| protection class IP on the front according to IEC 60529 | IP00; IP20 with screws tightened, even for contacts not in use |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3TH4271-5KB4: frequently asked questions
When can 3TH4271-5KB4 be shipped?
3TH4271-5KB4 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 3TH4271-5KB4 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 3TH4271-5KB4 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3TH4271-5KB4, subject to availability and destination.
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Siemens 3TH4271-5KB4Price and lead time confirmed within 1 business day
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