Festo AG & Co. KG
3471011
limit switch box
SRBE-CA3-YR90-MW-22A-2W-C2M20-EX
For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, electromechanical measuring principle.
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Festo Data sheet
| Criterion | Feature |
| Design | Angular |
| Based on the standard | ISO 5211 VDI/VDE 3845 |
| CE mark (see declaration of conformity) | to EU directive explosion protection (ATEX) to EU directive low-voltage devices |
| ATEX category Gas | II 2G |
| Explosion ignition protection type Gas | Ex db IIC T6 Gb |
| ATEX category Dust | II 2D |
| Explosion ignition protection type Dust | Ex tb IIIC T75°C Db |
| Explosion protection certification outside the EU | EPL Db (BR) EPL Db (CN) EPL Db (IEC-EX) EPL Db (IN) EPL Db (KR) EPL Gb (BR) EPL Gb (CN) EPL Gb (IEC-EX) EPL Gb (IN) EPL Gb (KR) |
| Explosion-proof ambient temperature | -20°C <= Ta <= +60°C |
| Certificate issuing department | 18-GA4BO-0430X 18-GA4BO-0431X DNV 16.0067X FTZU 15 ATEX 0095X GYJ 16.1497X IECEx FTZU 15.0014X KCC-18-GA4BO |
| Materials note | Contains PWIS substances Conforms to RoHS |
| Safety Integrity Level (SIL) | SIL 2 |
| Measuring principle | Mechanical/electrical For proximity sensor |
| Ambient temperature | -20 - 60 °C |
| Switch output | Contact-type |
| Switching element function | Toggle switch, double-pole |
| Max. output current AC | 10 A |
| Max. output current DC | 6 A |
| Operating voltage range AC | 0 - 250 V |
| Operating voltage range DC | 0 - 30 V |
| Electrical connection | 14-pin Screwed terminal |
| Connectable nominal conductor cross section | 0,25 - 2,5 mm2 |
| Cable gland connection | M20x1,5 |
| Mounting type | On flange to ISO 5211 With mounting bracket |
| Connection for positioner and position sensor conforms to standard | VDI/VDE 3845 size AA 1 |
| Assembly position | Any |
| Product weight | 1700 g |
| Housing colour | silver |
| Material housing | Aluminium die cast |
| Material seals | NBR |
| Material shaft | High alloy steel, non-corrosive |
| Material screws | High alloy steel, non-corrosive |
| Material mounting bracket | High alloy steel, non-corrosive |
| Material indicator | PC |
| Material snap ring | High alloy steel, non-corrosive |
| Material disc | High alloy steel, non-corrosive |
| Position indicator | Yellow/red |
| Setting range, angle recording | 0 - 90 deg |
| Storage temperature | -20 - 60 °C |
| Protection class | IP67 |
| Shock resistance | Shock test with severity level 2 in accordance with FN 942017-5 and EN 60068-2-27 |
| Vibration resistance | Transport application test at severity level 2 in accordance with FN 942017-4 and EN 60068-2-6 |
| Degree of contamination | 3 |
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