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德國科瑞文 KRIWAN |
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德國科瑞文 KRIWAN |
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| Application | Small and medium semi-thermal piston compressors |
| Functions | Motor temperature static, Motor temperature dynamic, Discharge gas, Reset delay |
| Supply voltage | AC 115-230V |
| Permitted ambient temperature | -30...+70°C |
| Temperature measuring circuits: Type | 1-2 AMS sensors in series alternative 1-9 PTC sensors acc. to DIN 44081, DIN 44082 in series |
| Temperature measuring circuits: R_25, total | <1.8kΩ |
| Temperature measuring circuits: R_trip, static | 4.5kΩ ±20% |
| Temperature measuring circuits: R_reset | 2.75kΩ ±20% |
| Temperature measuring circuits: Max. length connection line | 30m |
| Short circuit monitoring system PTC | Typically <30Ω |
| Input, operating recongnition motor: Lower limit | AC 100V at 20Hz to 175V at 90Hz |
| Input, operating recongnition motor: Upper limit | AC 460V ±15% |
| Switching frequency overstepping | 3 switch-offs in 30s |
| Operating with frequency converters | Suitable |
| Reset delay: Motor temperature static | 1min ±12s |
| Reset delay: Motor temperature dynamic | 5min ±1min |
| Reset delay: Discharge gas temperature | 10min ±2min |
| Reset delay: Switching frequency overstepping | 5min ±1min |
| Reset of reset delay | Main reset >5s only possible if there is no error current |
| Relay: Connection | AC 240V 2.5A C300 at least AC/DC 24V 20mA |
| Relay: Mechanical service life | Approx. 1 million switching cycles |
| Interface | Diagnose port (DP) |
| Protection class acc. To EN 60529 | IP00 |
| Connection type | Flat plug sleeves (PTC, operating recognition) screw terminals |
| Housing material | PA glass-fibre-reinforced |
| Mounting | Screw mounted |
| Dimensions | Refer to dimensions in mm |
| Weight | Approx. 200g |
| Check base | EN 61000-6-2, EN 61000-6-3 EN 61010-1 Overvoltage category II Pollution level 2 |
| Approval | UL File No. E75899 cURus |
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