Siemens 3SE51220CA00
Basic switch for position switch 3SE51 Metal enclosure 56 mm Device connection 3x (M20x 1.5) 1 NO,1 NC quick action contacts without actuator head
This Siemens 3SE51220CA00 is supplied brand new by PartLogic for machine guarding, safety circuits, operator protection, production equipment and industrial compliance applications. It forms part of our Industrial automation > Safety > Limit switches range and is referenced internally as PartLogic SKU PL27085300102.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| product brand name | SIRIUS |
| product designation | Mechanical safety switches |
| product type designation | 3SE5 |
| of the supplied switching contacts | 3SE5000-0CA00 |
| of the supplied empty enclosure with cover | 3SE5122-0AA00 |
| suitability for use safety switch | Yes |
| product function positive opening | Yes |
| insulation voltage rated value | 400 V |
| degree of pollution | class 3 |
| surge voltage resistance rated value | 6 kV |
| protection class IP | IP66/IP67 |
| according to IEC 60068-2-27 | 30g / 11 ms |
| vibration resistance according to IEC 60068-2-6 | 0.35 mm/5g |
| mechanical service life (operating cycles) typical | 15 000 000 |
| electrical endurance (operating cycles) at AC-15 at 230 V typical | 100 000 |
| thermal current | 10 A |
| reference code according to IEC 81346-2 | B |
| continuous current of the C characteristic MCB | 1 A; for a short-circuit current smaller than 400 A |
| continuous current of the quick DIAZED fuse link | 10 A; for a short-circuit current smaller than 400 A |
| continuous current of the DIAZED fuse link gG | 6 A |
| active principle | mechanical |
| repeat accuracy | 0.05 mm |
| Substance Prohibitance (Date) | 07/01/2006 |
| SVHC substance name | Imidazolidine-2-thione (2-imidazoline-2-thiol) - 96-45-7 |
| Net Weight | 0.378 kg |
| minimum actuating force in directions of actuation | 20 N |
| length of the sensor | 85.7 mm |
| width of the sensor | 56 mm |
| during operation | -25 ... +85 °C |
| during storage | -40 ... +90 °C |
| explosion protection category for dust | none |
| design of the switching contact | mechanical |
| operating frequency rated value | 50 ... 60 Hz |
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 1 |
| at 24 V rated value | 6 A3 A |
| at 125 V rated value | 6 A0.55 A |
| at 240 V rated value | 6 A |
| at 400 V rated value | 4 A0.12 A |
| at 250 V rated value | 0.27 A |
| design of the housing | block, wide |
| material of the enclosure | metal |
| coating of the enclosure | cathodic dip coating |
| design of the housing according to standard | No |
| design of the actuating element | Other, without, basic switch |
| design of the switching function | Positive opening with appropriate positive opening actuator head |
| circuit principle | snap-action contacts |
| number of switching contacts safety-related | 1 |
| cable entry type | 3x (M20 x 1.5) |
| mounting position | any |
| fastening method | screw fixing |
| type of electrical connection | screw terminal |
| solid | 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²) |
| finely stranded with core end processing | 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²) |
| for AWG cables solid | 1x (20 ... 16), 2x (20 ... 18) |
| for AWG cables stranded | 1x (20 ... 16), 2x (20 ... 18) |
| design of the interface for safety-related communication | without |
| design of the interface | without |
| product function suitable for safety function | Yes |
| service life maximum | 20 a |
| test wear-related service life necessary | Yes |
| with low demand rate according to SN 31920 | 20 % |
| with high demand rate according to SN 31920 | 20 % |
| B10 value with high demand rate according to SN 31920 | 10 000 000 |
| failure rate [FIT] with low demand rate according to SN 31920 | 100 FIT |
| device type according to ISO 13849-1 | 3 |
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