沈陽龍聲偉業科技有限公司(原新力電子)長期代理---韓國自動化產品：
鮮光(SUNKWANG)-安全光幕(中國總代理) ； 光宇(KWANGWOO)-編碼器(中國總代理) ； 三和EOCR電機保護器 ； 龍聲(YongSung)-萬能轉換開關 ； 韓榮(HANYOUNG),可萊特(Q.Light)-報警燈。
三和技研(SEOCR)為韓國最著名的電子式電機保護器(EOCR)生產廠傢。
產品獲得的認證規格包括：UL , CE , ABS , SEV , KR , CCS , TUV , CS , RINA , CCC並獲得UN WIPO及德國IENA98金獎，產品優良率達99.9999%以上。三和EOCR電子式電機保護器在韓國市場處於壟斷地位並遠銷世界各地。
其產品系列有：EOCR-SS ,-3DD ,-FD ,-3DE ,-FDE ,-3DM ,-FDM ......
| Current Setting | Type | Range | |||
05 | 0.5 ~ 6A | ||||
30 | 3.0 ~ 30A | ||||
60 | 5.0 ~ 60A | ||||
over 60A~ | with External CT(Option) | ||||
| Time Setting | Start | D-TIME | 0.2 ~ 30sec | ||
Trip | O-TIME | 0.2 ~ 10sec | |||
Protective Item | Operating(Trip) Time | ||||
Over-current | O-TIME | ||||
Phase Loss | O-TIME | ||||
Locked Rotor | O-TIME + D-TIME | ||||
Protective Item | Operating(Trip) Time | ||||
Over-current | O-TIME | ||||
Phase Loss | O-TIME | ||||
Locked Rotor | O-TIME + D-TIME | ||||
Protective Item | Operating(Trip) Time | ||||
Over-current | O-TIME | ||||
Phase Loss | O-TIME | ||||
Locked Rotor | O-TIME + D-TIME | ||||
| Control Voltage | 220 | 90 ~260VAC | |||
440 | 320 ~ 480VAC | ||||
| Output Relay | Mode | 1-SPDT(1C) | |||
Rating | 3A / 250VAC Resistive | ||||
Status | Normally Energized | ||||
Time-Current Characteristic | Definite | ||||
Operating(Trip) Indication | 2-LED | ||||
■ Compact Design ■ Multiple Protection Functions■ Wide Current Adjustment Range(10:1)■ Ammeter Function■ Trip Indication LED■ High Accuracy ■ Manual Instantaneous Reset■ Electrical Remote Reset■ Test Function■ Ambient Insensitive ■ Low Power Consumption■ Fail-safe Operation(No Volt Release)
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