產(chǎn)品信息 ISOMETER® IR470LY
The ISOMETER® of the IR470LY series is designed to monitor the insulation resistance of unearthed AC and three-phase systems (IT systems) AC/3(N)AC 0…793 V. In combination with a coupling device, the Isometers can also be used for higher voltages. An external supply voltage allows de-energized systems to be monitored too.
The systems to be monitored should not contain DC components. Due to the measuring principle, insulation faults downstream of directly connected rectifiers are indicated with increased response sensitivity. The set response values apply to the pure AC system only.
特點(diǎn) ISOMETER® IR470LY
- Insulation monitoring for AC, 3(N)AC systems 0…793 V (IT systems)
- Nominal voltage extendable via coupling device
- Response values, adjustable 1…200 kΩ
- Connection monitoring system/earth
- Power ON LED, Alarm LED for signalling AC, L+, L- insulation faults
- LED bar graph indicator for signalling AC, L+, L- insulation faults
- Connection for external kΩ indication
- Combined test and reset button
- Connection external test/reset button
- Alarm relay with two potential-free changeover contacts
- Selectable N/O or N/C operation
- Fault memory behaviour, selectable
可選附件 ISOMETER® IR470LY
| 7204-1421 | B986763 |
| 9604-1421 | B986764 |
Coupling devices
| AGH204S-4 | AC 0…1650 V | B 914 013 |
| AGH520S | AC 0…7200 V | B913033 |
參數(shù) ISOMETER® IR470LY
| IR470LY-40 | AC 230 V | B |
| IR470LY-4011 | AC 24 V | B |
| IR470LY-4012 | AC 42 V | B |
| IR470LY-4013 | AC 90…132 V* | B |
| IR470LY-4015 | AC 400 V | B |
| IR470LY-4016 | AC 500 V | B |
| IR470LY-4017 | AC 690 V | B |
| IR470LY-4018 | AC 440 V | B |
| IR470LY-4021 | DC 9,6…84 V* | B |
| IR470LY-4023 | DC 77…286 V* | B |
* Absolute values
Bender漏電保護(hù)產(chǎn)品
應(yīng)用于不接地系統(tǒng)(IT系統(tǒng))的絕緣監(jiān)視設(shè)備；
應(yīng)用于接地系統(tǒng)(TT/TN-S系統(tǒng))的剩余電流監(jiān)視設(shè)備；
低壓系統(tǒng)保護(hù)繼電器；
醫(yī)療電器安全測試設(shè)備
其中IR/IRDH系列絕緣監(jiān)視儀監(jiān)測整個(gè)IT系統(tǒng)對地的絕緣狀況，EDS系列絕緣故障定位系統(tǒng)不僅能監(jiān)測IT系統(tǒng)的對地絕緣狀況，還能在線查找發(fā)生對地故障的回路。
RCM系列剩余電流監(jiān)視儀在TN-S或TT系統(tǒng)內(nèi)，即中性點(diǎn)接地系統(tǒng)內(nèi)，監(jiān)測交流或脈動(dòng)直流成分的剩余電流，即俗稱的漏電流。RCMA系列剩余電流監(jiān)視儀在相同的系統(tǒng)內(nèi)能監(jiān)測平滑直流，脈動(dòng)直流或交流成分的剩余電流。RCMS系列剩余電流監(jiān)視系統(tǒng)采用模塊式設(shè)計(jì)，單個(gè)模塊可監(jiān)視12個(gè)回路的剩余電流數(shù)值。
本德爾公司的各種低壓保護(hù)繼電器為電子式的測量繼電器，具有十分寬大的響應(yīng)值調(diào)節(jié)范圍，并同時(shí)具備各種時(shí)間延遲和動(dòng)作值記憶。
醫(yī)療電器安全測試儀是針對相應(yīng)的IEC標(biāo)準(zhǔn)而設(shè)計(jì)研發(fā)的測試設(shè)備。
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