差動(dòng)保護(hù)繼電器，TEL：159-0057-7130徐工。適用于變壓器、發(fā)電機(jī)、電動(dòng)機(jī)、單母線以及短引線保護(hù)西門子7UT61變壓器保護(hù)7UT6121-4EB22-1AA0

西門子7UT61差動(dòng)保護(hù)，主要功能，單側(cè)低阻抗零序差動(dòng)保護(hù)，高阻抗零差動(dòng)保護(hù)，靈敏過流保護(hù)，負(fù)序保護(hù)，單側(cè)斷路失靈保護(hù)，跳閘回路監(jiān)視。電壓保護(hù)等

差動(dòng)保護(hù)7UT6121-4EB22-1AA0原裝正品。支持驗(yàn)貨，可提供報(bào)關(guān)單，可含17%增值稅，全國(guó)最低價(jià)銷售，可以貨比三家再?zèng)Q定購(gòu)買與否哦！仿貨勿比，請(qǐng)認(rèn)準(zhǔn)是西門子原裝進(jìn)口公司宗旨： 盡善盡美，至誠(chéng)至信，樹一流服務(wù)。

西門子7UT61差動(dòng)保護(hù)7UT6121-4EB22-1AA0出售的各產(chǎn)品本公司按西門子質(zhì)保進(jìn)行保修（保修一年）注：人為或不按使用操作規(guī)定使用引起的產(chǎn)品損壞或報(bào)廢本公司不承擔(dān)任何責(zé)任！
請(qǐng)各客戶按照正常的操作安裝指引使用本系列產(chǎn)品！

您買的舒心！用的放心！是我們一直所追求的目標(biāo)！
歡迎廣大新老客戶來(lái)電咨詢訂購(gòu)。

Differential protection relay 7SJ6001-5EA00-0DA0
Differential protection relay 7SJ6001-4EA00-1DA0
Differential protection relay 7SJ6021-4EB00-1FA0
Differential protection relay 7SJ6025-4EB00-1FA0
西門子7UT61差動(dòng)保護(hù)7UT6121-4EB22-1AA0 
Differential protection relay 7SJ6115-5EB20-1FA0
Differential protection relay 7SJ6125-5EB20-1FA0
Differential protection relay 7SJ6121-5EB20-1FA1
Differential protection relay 7KG6000-8AB
Differential protection relay 7UT6125-5EB01-0BA0
Differential protection relay 7SJ6222-5EB00-1FE0
Differential protection relay 7SJ6225-5EB00-1FE0
Differential protection relay 7SJ6212-5EB00-1FE0
Differential protection relay 7SJ6212-5EB00-1FE1
Differential protection relay 7SJ6215-5EB00-1FE1
Differential protection relay 7SJ6021-5EB00-1FA0   
Differential protection relay 7SJ6025-4EB00-1FA0
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Differential protection relay 7SJ6021-4EB00-1FA1 
Differential protection relay 7SJ6111-5EB20-1FA0
Differential protection relay 7SJ6005-2EA00-0DA0
Differential protection relay 7VV3002-3CD20
Differential protection relay 7SJ6005-5EA00-0DA0/BB
Differential protection relay 7SJ6005-6EA00-0DB0
Differential protection relay 7SJ6025-5EB20-1FA0
Differential protection relay 7SJ6025-5EB20-1FA0/BB
Differential protection relay 7SJ6825-5EW20-1FE0 微機(jī)綜合測(cè)控裝置
Differential protection relay 7SJ6115-4EA00-1EA0/JJ
Differential protection relay 7SJ6115－4EB00－1BA0
Differential protection relay 7SJ6115－4EB00－1FA0
Differential protection relay7SJ6225-5EB20-1FC0/EE
Differential protection relay7SJ6225-5EB20-1HG0
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Differential protection relay7SJ6025-5EB91-3FA0-L0D
Differential protection relay7SJ6225-5EB90-1FE0-L0A/EE
Differential protection relay7SJ6221-5EB90-1FE0
Differential protection relay7SJ6225-5EB90-1HF0-L0A
Differential protection relay7SJ6222-4EB92-3FD0-L0A
Differential protection relay7SJ6225-5EB92-3HF0+L0A
Differential protection relay7SJ6001-5EA00-0DA0
Differential protection relay7SJ6355-5EB11-3FA0
Differential protection relay7SJ6225-4EB00-1FE0
Differential protection relay7SJ6105-5EB00-1FA0
Differential protection relay7SJ4505-0EA00-0AA1 
Differential protection relay7UM6211-2EB01-0AA0
Differential protection relay7SJ6215-6EB22-1FE0
Differential protection relay7SJ6415-5EB22-1FA1
Differential protection relay7SJ6355-5EB22-3FE0
Differential protection relay7SJ6315-5EB22-1FE3
Differential protection relay7SJ6327-5EB92-3FE1-L0S
Differential protection relay7SJ6327-5EB92-3FE0-L0S
Differential protection relay7KG9661-1FA30-1AA0西門子多功能儀表
Differential protection relay7PA9661-0AA00-2
Differential protection relay7SJ6327-5EB22-3FE0
Differential protection relay7SJ6225-5EB92-1FE0-L0S
Differential protection relay7SJ6225-5EB22-1FE0   24000
Differential protection relay6MD6370-5EB22-0AA0
Differential protection relay7UM6211-5EB22-0HB0
Differential protection relay7UT6351-5EB22-1AA3
Differential protection relay7SJ6222-5EB20-1HH0 7SJ6321-5EB20-3FA0 7UT6131-5EB22-1AA0
Differential protection relay7SJ6025-5EB20-1HA0   13200
Differential protection relay7SJ6105-4EB00-1FA0
Differential protection relay7SJ6825-5EW20-3FB0
Differential protection relay7SJ6001-4EA00-0DA0/BB
Differential protection relay7SJ6121-5EB20-1FA0 
Differential protection relay7SJ6125-5EB20-1FA1
Differential protection relay7SJ6215-5EB00-1FE0
Differential protection relay 7SJ6115-5EB20-3HA0
Differential protection relay7SJ6115-5EB20-3FA0 
Differential protection relay7SJ6215-5EB20-3FE0
Differential protection relay7UT6131-5EB01-1AA0   45261
Differential protection relay7UM6225-5EB22-0AA0
Differential protection relay7SJ6115-4EB10-1FA0 7SJ6821-5EW20-1FE0
Differential protection relay7SJ6821-5EW20-1FE0
Differential protection relay7UM6115-5EB00-0AA0   32000  8-10周
Differential protection relay7SJ6222-2EB90-3FB0-L0A   25900
Differential protection relay7SJ6122-2EB90-1FB0-L0A   24500
Differential protection relay7UM6215-5EB91-0AA0-L0A 7VE6110-5EB01-0AA0
Differential protection relay 7SJ6825-5EW00-3FE0   13900  8-10周
Differential protection relay7SJ8031-5EB90-1FC0-L0A   20592
Differential protection relay7UT6125-5EB90-1AA0-L0A    30576
Differential protection relay7SJ6025-5EB00-1HA0
Differential protection relay7UT6121-5EB20-1AA0
Differential protection relay7SD6105-5BB29-0RB0-M2B
Differential protection relay7SJ6025-5EB21-1HA0
Differential protection relay7SJ6825-5EW00-3HE0
Differential protection relay7VK6101-5EB20-4YN0
Differential protection relay7SJ8031-5EB90-1FA0-L0A
Differential protection relay7SJ8041-5EB90-1FB0 L0A    23296
Differential protection relay7SJ8042-5EB90-1FQ0-L0A      26312
Differential protection relay7RW8020-5EB90-1DA0-L0A
Differential protection relay7UT6135-5EB91-1AC0-L0A   52624
Differential protection relay7SJ8041-5EB90-1FQ0-L0A   26312
Differential protection relay7SD6101-4BB99-3RB1-L0S
Differential protection relay7SJ6411-4EB91-3FA4-L0A  49880  8-10周
Differential protection relay7KG7610-0DD02-0AA0/CC   28350  8-10周
Differential protection relay7KM9300-0AB00-0AA0  
Differential protection relay7VK6105-2EB02-4YN0  40200 8-10周
Differential protection relay7UM6211-5EB22-0HB0
Differential protection relay7SK8012-5EB00-3HD0  15100 8-10周
Differential protection relay7SK8011-5EB00-1HD0   14100  8-10周
Differential protection relay7XV5653-0BA00  12100  8-10周
Differential protection relay7KG6000-8EB    19000
Differential protection relay7SJ8031-5EB20-1FB0  17472
Differential protection relay7KG7660-0BC01-0AA0
Differential protection relay7UM6215-5EB21-0AA0 7UT6121-5EB21-1AA0
Differential protection relay7UT5121-5CB01-0BA0 
Differential protection relay7UT6825-5EB20-1AA0  32000
Differential protection relay7SJ6225-5EB20-3FG0
Differential protection relay7SJ6826-5EW20-3FE0   15500
Differential protection relay7UT6125-5EB21-1AA0
Differential protection relay7SJ6025-4EB90-3HA0-L0D
Differential protection relay7PA2311-0
Differential protection relay7SJ6826-4EW20-3FE0 7SJ6825-4EW20-3FE0
Differential protection relay7SJ6105-5EB00-1FE0
Differential protection relay7PA2742-0AA00-1 7PA2642-1AA00-1 7UT6135-5EB01-1AA0
Differential protection relay7SJ6005-2EA00-1DA0
Differential protection relay7SJ6121-4EB91-1FA0-L0D
Differential protection relay7SJ6221-4EB91-1FE0-L0D 7SJ8041-5EB91-1FB0-L0D 7PA2311-1
Differential protection relay7PA2341-0    2028  8-10周
Differential protection relay7PA2321-1
Differential protection relay7SJ8021-5EB90-1FA0-L0D 7PA2321-0 
Differential protection relay7UT6131-5EB22-1AC3
Differential protection relay7PA2341-1 7PA2351-1 7PA2351-0 7PA2361-0 7PA2361-1 7PA2610-0
Differential protection relay7PA2610-1
Differential protection relay7PA2611-0 7PA2611-1
Differential protection relay7PA2620-0 7PA2620-1 7PA2621-1 7PA2621-0
Differential protection relay7PA2630-0
Differential protection relay7PA2630-1 7PA2631-0 7PA2631-1 7PA2640-1 7PA2640-0 7PA2641-1
Differential protection relay7PA2641-0
Differential protection relay7SJ6215-5EB22-1FE0  7SJ6105-5EB00-1FE0
Differential protection relay7UT6351-4EB22-1BB1
Differential protection relay7SJ8021-5EB26-1FA0  19400  8-10周
Differential protection relay7SJ6211-4EB22-1FC0
Differential protection relay7SA5221-4AB20-0HA0
Differential protection relay7RW6000-4EA00-2DA0     12800
Differential protection relay7VK6111-4AB02-4YC0
Differential protection relay7VK6101-4AB02-4YC0
Differential protection relay7VH6001-0EA10-0AA0
Differential protection relay7UT6131-4EB22-1BB1
Differential protection relay7SJ6211-4EB20-1FE0
Differential protection relay7SJ6102-4EB20-1FB0
Differential protection relay7SJ6111-4EB20-1FA0
Differential protection relay7SJ6111-4EB20-1FA1
Differential protection relay7SJ6212-4EB20-1FF0
Differential protection relay7SA6121-4AB02-4GB4
Differential protection relay7SA5221-4DB20-4HB4
Differential protection relay7VK6111-4AB02-4YQ0
Differential protection relay7SA6111-4AB02-0GP4
Differential protection relay7SA6121-4AB02-5PP5
Differential protection relay7VK6111-4AB90-4YQ0
Differential protection relay7SJ6211-4EB00-1FC0
Differential protection relay7SJ6825-5EW90-3FE0-L0D
Differential protection relay7UM6225-5EB22-0CB0
Differential protection relay7UT6125-5EB90-1AA0-L0D
Differential protection relay7UT6831-5EW22-1AC3
Differential protection relay7UT6135-5EB22-1AC2
Differential protection relay7UT6121-4EB00-1BA0
Differential protection relay7SJ6225-5EB90-3FE0-L0D
Differential protection relay7SJ6211-4EB00-1FB0
Differential protection relay7SJ6111-4EB00-1FA0
Differential protection relay7SJ6005-4BA00-0DB1
Differential protection relay7SJ6111-4EB00-1FA1
Differential protection relay7SJ6821-4EW92-3FE0-L0D
Differential protection relay7RW6000-4EA00-1DA0
Differential protection relay7SJ8031-5EB00-1FB0
Differential protection relay7SA6115-4BB11-3AB7-M1A
Differential protection relay7UT6135-4BB11-1AC0-M1A
Differential protection relay7KG7750-0AA03-0AA0
Differential protection relay7PA2331-1
Differential protection relay7KG7750-0AA03-0AA1
Differential protection relay7PA2732-0AA00-1
Differential protection relay7TS1632-0AA00-1
Differential protection relay7PA2632-0AA00-1
Differential protection relay7PA3032-3AA00-1
Differential protection relay7PA2632-0AA00-2
Differential protection relay7XG2210-1AA00-0AA0
Differential protection relay7UT6331-5EB21-1BC0
Differential protection relay7XG2220-1AA00-0AA0
Differential protection relay7VK6111-4AB21-4YN0
Differential protection relay6MD9111-2CA12-1BA0
Differential protection relay6MD9000-1AA10-7AA0
Differential protection relay6MD9000-0CE00-7MA0
Differential protection relay6MD9000-0CE00-7AA0
Differential protection relay6MD9000-0BA50-7AA0
Differential protection relay6MD9000-0BA40-7AA0
Differential protection relay6MD9000-0BA70-7AA0
Differential protection relay6MD5530-0AA10-2AA0
Differential protection relay6MD9000-0CB02-7AA0
Differential protection relay6MD9000-0CB01-7AA0
Differential protection relay6MD5513-0BP00-7AA0
Differential protection relay6MD5503-0AP00-7AA0
Differential protection relay7PA2231-1
Differential protection relay7PA2331-0   
Differential protection relay7XP9013-0
Differential protection relay7PG1511-2KC70-1CF0
Differential protection relay7SA5221-4CB00-1EB0
Differential protection relay7UT6121-4EB00-1AA0
Differential protection relay7SJ6001-4EA0-1DA0
Differential protection relay7SJ8041-5EB00-1FA0
Differential protection relay7SJ8031-5EB00-1FA0
Differential protection relay7UT6125-4EB90-1AA0-L0A
Differential protection relay7UM6211-2EB91-0AA0-L0A
Differential protection relay7UM6211-2EB91-0AA0-L0D
Differential protection relay7KG7500-0AA01-0AA0
Differential protection relay7SJ6826-5EW20-3HE0
Differential protection relay7SJ6825-5EW20-3HG0
Differential protection relay7SJ6825-5EW20-3FE0
Differential protection relay7SJ6225-5EB20-3FE0
Differential protection relay7KG8000-5BB20-0AD1
Differential protection relay7SJ6022-4EB00-1FB0
Differential protection relay7UT6121-5EB90-1AA0-L0S差動(dòng)保護(hù)
Differential protection relay7VK6105-2EB02-4YN0 重復(fù)
Differential protection relay7KG7750-0AA01-0AA0
Differential protection relay7VE6320-5EB12-0CA0-L0A 同步單元，同期裝置
Differential protection relay7SA6115-5BB32-0GR4
Differential protection relay7SD6105-5BB29-0BA0+M2G
Differential protection relay7UT6131-5EB91-1AA0-L0S
Differential protection relay7UT6821-5EW90-1AA0-L0D
Differential protection relay7UM6121-5EB90-0BA0-L0D
Differential protection relay3PP1336-0DZ-K2Y
Differential protection relay7SJ6821-5EW90-3FE0-L0D
Differential protection relay7SJ8041-5EB90-1FQ0-L0D
Differential protection relay7SJ6022-5EB90-1FJ0-L0D
Differential protection relay7SJ6253-6EB92-3FG0
Differential protection relay7SJ6825-5EW22-3FE0
Differential protection relay7SJ6821-5EW00-3FE0/DD
Differential protection relay7SJ6351-5EB00-3FE0/EE
Differential protection relay7SJ6351-5EB00-3FE1
Differential protection relay7SJ6821-5EW00-3FE0
Differential protection relay7UM6225-6EB92-0CB0-L0D
Differential protection relay7SS5220-4AB92-1BA0-L0R
Differential protection relay7UW5010-5CA21跳閘矩陣裝置
Differential protection relay7UM6215-4EB91-0AA0
Differential protection relay7UT6131-6EB92-1BC3-L0D
Differential protection relay7UT6351-6EB92-1BA3-L0D
Differential protection relay7SA6115-5BB22-1CJ4
Differential protection relay6MD6370-5EB20-0AA0
Differential protection relay6MD6335-5EB20-0AA0
Differential protection relay7SJ6226-5EB30-1HF0
Differential protection relay7SJ6325-5EB30-3FE0
Differential protection relay7SJ6025-5EB21-1FA0
Differential protection relay7SJ6825-5EW20-3HE0
Differential protection relay7SJ6325-5EB90-3HF0-L0A/EE
Differential protection relay7SJ6225-5EB90-1HF0-L0A/EE
Differential protection relay7UT6121-4EB20-1AA0
Differential protection relay7SS5220-4AB32-1BA0  母線保護(hù)
Differential protection relay7SA6121-4AB22-4FB4
Differential protection relay7VK6111-4AB22-4YQ0
Differential protection relay7SA5221-4CB20-4FB4
Differential protection relay7VK6111-4AB22-4YC0
Differential protection relay7SJ8011-5EB20-1FA0
Differential protection relay7UT6131-4EB22-1BB0
Differential protection relay6MD6351-4EB20-0AA0
Differential protection relay7SJ6411-4EB22-1FA0
Differential protection relay7UM6211-6EB91-0AA0-L0A
Differential protection relay7SJ6221-4EB20-1FE0
Differential protection relay7VE6110-6EB01-0CA0
Differential protection relay7SJ6021-5EB20-3FA0
Differential protection relay7SS5251-5FA01-0AA1
Differential protection relay6MD6631-5EB92-0AA0-L0S
Differential protection relay7SD5221-6AB99-0CJ0-M2G+L0S
Differential protection relay7SD6101-4BB29-0RB0-M1G
Differential protection relay7UM6221-4EB21-3CA0
Differential protection relay7SA6121-4AB22-4CR4
Differential protection relay7XV5662-5AD10
Differential protection relay7SJ6227-5EB62-1FE1
Differential protection relay7SJ6212-5EB62-1FB0
Differential protection relay7SJ6322-5EB62-3HF0
Differential protection relay7UT6135-5EB62-1BA0 1
Differential protection relay7SA6115-5BB62-2GQ4 2
Differential protection relay6MD6645-5EB62-0AA0 1
Differential protection relay6MD6621-5EB62-0AA3
Differential protection relay6MD6635-5EB62-0AA3
Differential protection relay7SS5235-5CA01-0AA1
Differential protection relay7UT6825-6EW91-1AA0-L0R
Differential protection relay7SJ6455-5EB22-3FC7
Differential protection relay7SJ6816-6EW90-3FE0-L0R
Differential protection relay7SJ6225-5EB62-1FE1 1
Differential protection relay7SS5220-5AG93-1FA0
Differential protection relay7SS5220-5AG93-1FA0-L0R
Differential protection relay7SA6115-5BB22-3PQ4
Differential protection relay7XV7507-0CA00  測(cè)控開關(guān)
Differential protection relay6MD6355-5EB62-0AA0 1
Differential protection relay7SJ6225-5EB62-1FE0 1
Differential protection relay7XV7503-0CA00
Differential protection relay7XV5650-0BA00
Differential protection relay7UT6131-5EB22-1BA0
Differential protection relay7SS5255-5FA01-0AA1 2
Differential protection relay7KG7750-0AA01-0AA1
Differential protection relay7SJ6351-5EB22-3FE0
Differential protection relay7XV7502-0CA00 1
Differential protection relay7XV7500-0CA00 4
Differential protection relay7XV5651-0BA00
Differential protection relay7PA2251-1，40只
Differential protection relay7PA3032-1AA00-1，50只
Differential protection relay7XG2220-5AA00-0AA0，70只
Differential protection relay7PA2351-1，50只
Differential protection relay7PA2241-1，20只
Differential protection relay7SJ6351-5EB00-3FE0
Differential protection relay7UT6121-5EB00-1AA0
Differential protection relay6MD5504-0BP00-6AA0
Differential protection relay6MD9000-1AA20-6AA0
Differential protection relay6MD5514-0BP00-6AA0
Differential protection relay6MD9000-1AA10-6AA0
Differential protection relay6MD9000-0BA40-6AA0
Differential protection relay6MD9000-0BA50-6AA0
Differential protection relay6MD9000-0CE00-6AA0
Differential protection relay6MD9000-0CB05-6AA0
Differential protection relay6MD9000-0CB00-6AA0
Differential protection relay6MD9000-0CC00-6AA0
Differential protection relay7SA6121-4BB91-5PB5-L0S
Differential protection relay7SA5221-4DB92-5QB5-L0S
Differential protection relay7VK6111-4AB91-4YQ0-L0S
Differential protection relay7VK6111-4AB91-4YC0-L0S
Differential protection relay7SD6101-4BB99-0BA0-L0S-M1B
Differential protection relay7SD6101-5BB99-0BA0-L0S-M1B
Differential protection relay7SJ6451-4EB91-3FG0-L0S
Differential protection relay6MD6641-4EB90-0AA0-L0S
Differential protection relay6MD6641-4EB90-0AF0-L0S
Differential protection relay7SS5231-5CA01-1AA1
Differential protection relay7SD6101-4BB99-0BA0-L0S-M2A
Differential protection relay7SD6101-5BB99-0BA0-L0S-M2A
Differential protection relay7SJ6221-4EB90-3FG0-L0S
Differential protection relay7SA6121-4BB92-5PA5-L0S
Differential protection relay7SJ6825-5EW90-3FE1-L0D
Differential protection relay7VK6111-5AB92-4YR0-L0R自動(dòng)合閘繼電器
Differential protection relay7SJ6821-4EW92-3FE0-L0D
Differential protection relay7SJ6821-4EW92-3HE0-L0D
Differential protection relay7PA3042-3A00-0
Differential protection relay7PA3042-3A00-1
Differential protection relay7PA3042-3A00-2
Differential protection relay7PA2241-0
Differential protection relay7PA2241-1
Differential protection relay7SA5221-4DB00-4NB4
Differential protection relay7SA5221-4DB00-4NP4
Differential protection relay7SJ6826-6EW90-3FE0-LOA型號(hào)錯(cuò)
Differential protection relay7SJ6421-4EB92-3FG4-LOS
Differential protection relay7SJ6422-4EB92-3FD0-LOS
Differential protection relay7UM6211-6EB91-OBAO-LOA 
Differential protection relay7SJ6121-5EB90-1FA0-L0D 
Differential protection relay7UT6121-5EB90-1BA0-L0D  
Differential protection relay7SJ8041-5EB90-1FA0-L0A 
Differential protection relay7SJ8041-5EB90-1FB0-L0A 
Differential protection relay7SJ8041-5EB90-1FQ0-L0A
Differential protection relay7SJ6225-5EB00-1FFO/FF
Differential protection relay7SJ6111-5EB92-1FA0+LOS
Differential protection relay7VK6111-5AB92-4YQ0+LOS 
Differential protection relay7UT6135-5EB02-1AAO
Differential protection relay7SJ6121-5EB90-1FA0-LOD
Differential protection relay7UT6121-5EB90-1BA0
Differential protection relay7SJ6411-5EB92-1FG4
Differential protection relay7KG8000-8AA20多功能儀表
Differential protection relay7KG8000-8BB20
Differential protection relay7SJ6121-5EB90-1FA0+L0D
Differential protection relay7UT6121-5EB90-1BA0+L0D
Differential protection relay7UM6215-5EA21-0BA0
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7UT6數(shù)字式綜合保護(hù)系統(tǒng)提供全套主設(shè)備差動(dòng)及其相配合的保護(hù)方案，適用于各類型主變壓器,電機(jī)和簡(jiǎn)單母線(包括短引線)等輸配電系統(tǒng)，具有很強(qiáng)的可靠和靈敏性,調(diào)試和維護(hù)十分方便,7UT6系列產(chǎn)品主要包括7UT612 (兩組差動(dòng)CT輸入);7UT613(三組差動(dòng)CT輸入);7UT633/5(四組及以上差動(dòng)CT輸入)等,SIPROTEC4系列的7UT6設(shè)備具有強(qiáng)勁的開放的通訊能力、完善的現(xiàn)場(chǎng)試驗(yàn)手段。 7UT6 硬件采用 32位微處理器工藝技術(shù)，匯集西門子公司 20多 年的微機(jī) 保護(hù)經(jīng) 驗(yàn)。緊湊型結(jié)構(gòu)具有很好防護(hù)、電 磁兼容性，其安裝有廣泛 的選擇性 。DIGSI 4 操作軟件使試驗(yàn)、日常維護(hù)管理非常簡(jiǎn)單方便。 保護(hù)特征 ? 三段特性的比率式差動(dòng)過流保護(hù)和定時(shí)限的差動(dòng)速斷過流保護(hù),預(yù)防嚴(yán)重穿越故障的輔助制動(dòng)電流跳閘特性. ? 二次諧波涌流制動(dòng) ? 五次諧波過勵(lì)磁制動(dòng) ? 直流分量和CT飽和不誤動(dòng) ? CT飽和度不同時(shí),不誤動(dòng). ? CT斷線閉鎖 ? 大電流變壓器故障快速跳閘近處11ms. ? 變壓器向量組匹配程序 ? 大CT變比不同的匹配程序 ? 主設(shè)備保護(hù)的輔助功能: ? 諧波制動(dòng)的兩段相間過流保護(hù) ? 諧波制動(dòng)的兩段相地過流保護(hù) ? 獨(dú)立的兩段中性點(diǎn)接地過流保護(hù) ? 熱過負(fù)荷保護(hù) ? 跳閘命令栓鎖功能. ? 外部接點(diǎn)信號(hào)輸入,處理或重新輸出外部信號(hào)或命令，如瓦斯保護(hù)告警/跳閘. ? 通過串行口接入RTD的測(cè)溫模擬量至監(jiān)控系統(tǒng). ? 各組CT輸入測(cè)量值,差動(dòng)/制動(dòng)電流值監(jiān)視. ? WEB 瀏覽各側(cè)CT相量和動(dòng)作特性. ? 四套定值整定 ? 故障錄波功能:電壓、電流、二進(jìn)制量跟蹤和每相的差動(dòng)、制動(dòng)電流等。 計(jì)量和控制 ? 實(shí)時(shí)電流顯示。 ? 四個(gè)可定義面板功能鍵，用于保護(hù)功能投/退。
 ? 通過面板操作、DIGSI4軟件或所連的控制系統(tǒng)進(jìn)行就地/遠(yuǎn)方的開關(guān)、刀閘控制。
 ? CFC 可編程邏輯功能，用戶可自定義信號(hào)和 基本邏輯，實(shí)現(xiàn)開關(guān)連鎖和功 能組合。 通訊功能
? 面板上的PC機(jī)接口供給DIGSI 4 視窗操作軟件。
 ? 系統(tǒng)接口與控制網(wǎng)絡(luò)連接，適用IEC 60870－5-103, PROFIBUS, MODBUS, DNP3.0等規(guī)約。
 ? 服務(wù)接口可直接或通過調(diào)制解調(diào)器連接，實(shí)現(xiàn)就地/遠(yuǎn)方DIGSI通訊。 ? IRIG－B/SCADA（DCF77）時(shí)鐘同步方式。
 應(yīng)用范圍: 適用于各類型主變壓器,電機(jī)和簡(jiǎn)單母線(包括短引線)保護(hù)�？蓡为�(dú)或與其它保護(hù)組合配屏，或直接安裝于開關(guān)GIS柜體內(nèi)。