Festo AG & Co. KG
3998921
limit switch box
SRBE-CA3-YR90-N-1-N-C2N12-C1
For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, inductive measuring principle.
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Festo Data sheet
| Criterion | Feature |
| Design | Angular |
| Based on the standard | EN 60947-5-2 ISO 5211 VDI/VDE 3845 |
| Authorisation | RCM Mark |
| CE mark (see declaration of conformity) | to EU directive for EMC |
| ATEX category Gas | II 2G |
| Explosion ignition protection type Gas | AEx d IIB T5 Gb AEx nA IIC T5 Gc Ex d IIB T5 Gb Ex nA IIC T5 Gc |
| ATEX category Dust | II 2D |
| Explosion ignition protection type Dust | AEx tb IIIC T108°C Db Ex tb IIIC T108°C Db |
| Explosion protection certification outside the EU | Class I, Div. 1 (CA) Class I, Div. 1 (US) Class I, Div. 2 (CA) Class I, Div. 2 (US) Class II, Div. 1 (CA) Class II, Div. 1 (US) Class III (CA) Class III (US) EPL Db (CA) EPL Db (US) EPL Gb (CA) EPL Gb (US) EPL Gc (CA) EPL Gc (US) |
| Explosion-proof ambient temperature | -20°C <= Ta <= +60°C |
| Certificate issuing department | CSA 263311 |
| Materials note | Contains PWIS substances Conforms to RoHS |
| Safety Integrity Level (SIL) | SIL 2 |
| Measuring principle | Inductive |
| Ambient temperature | -20 - 60 °C |
| Switch output | NPN |
| Switching element function | Normally open contact |
| Max. output current DC | 100 mA |
| Voltage drop | <= 3 V |
| Residual current | 0 - 0,5 mA |
| Short circuit strength | Pulsing |
| Operating voltage range DC | 10 - 30 V |
| Idle current | <= 15 mA |
| Polarity protected | for all electrical connections |
| Electrical connection | 10-pin Screwed terminal |
| Connectable nominal conductor cross section | 0,25 - 2,5 mm2 |
| Cable gland connection | 1/2 NPT |
| 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 NEMA 4/4X |
| 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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