技術(shù)參數(shù)
| Application | Small and medium semi-thermal piston compressors |
| Functions | Motor temperature static, Motor temperature dynamic, Discharge gas, Short circuit, short cycling, 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 | Ring lugs (operating recognition), flat plug sleeve (PTC) screw terminals |
| Housing material | PA glass-fibre-reinforced |
| Mounting | Can be snapped onto 35mm standard rail acc. to EN 60715 or 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 |
德國(guó)科瑞文 KRIWAN 品牌介紹
德國(guó)科瑞文KRIWAN公司是專業(yè)從事工業(yè)設(shè)備的保護(hù)監(jiān)控、樓宇控制和環(huán)境監(jiān)測(cè)(空氣、氣象、環(huán)境氣候)、控制系統(tǒng)及工業(yè)應(yīng)用的智能工控企業(yè)。KRIWAN公司于1968年由Friedrich Kriwan創(chuàng)立，總部位于德國(guó)Forchtenberg。KRIWAN的發(fā)展見證及應(yīng)和了世界電機(jī)及壓縮機(jī)發(fā)展的進(jìn)程。從最初研發(fā)生產(chǎn)出PTC熱敏電阻和INT系列保護(hù)控制器，至今已超過了50年的歷程，KRIWAN公司現(xiàn)已成為了世界領(lǐng)域內(nèi)電機(jī)/壓縮機(jī)保護(hù)控制業(yè)的巨擘。 德國(guó)的機(jī)械加工水平及電子產(chǎn)品在處于的地位。KRIWAN其產(chǎn)品的研發(fā)、生產(chǎn)及測(cè)試全部在德國(guó)進(jìn)行。
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