西門子距離保護(hù)7SA6115-5BB22-3PQ4特價(jià)拋售,火爆促銷中,距離保護(hù)是指利用阻抗元件來反應(yīng)短路故障的保護(hù)裝置。 該裝置可實(shí)現(xiàn)故障測(cè)距功能,7SA6115-5BB22-3PQ4特價(jià)拋售,火爆促銷中,距離保護(hù)是指利用阻抗元件來反應(yīng)短路故障的保護(hù)裝置7SA6115-5BB22-3PQ4特價(jià)拋售歡迎詢1侯小姐13296058650,在線QQ:1678267328
西門子距離保護(hù)7SA6115-5BB22-3PQ4:
* 距離保護(hù)(21,21N)具有高阻接地故障保護(hù)功能、平行多回 線路保
護(hù)功能。保護(hù)特性可選四邊形特性和圓特性
* 弱饋保護(hù)(27WI)
* 振蕩檢測(cè)(68,68T)
* 高頻距離保護(hù)(85-21)(配合高頻收發(fā)信機(jī))
* 零序(方向)電流保護(hù)(50N,51N,67N)
* 高頻零序保護(hù)(85-67N)(配合高頻收發(fā)信機(jī))
* 后備過流保護(hù)(50,50N,51,51N)
* 短引線過流保護(hù)(50(N)-STUB)
* 瞬時(shí)后加速過流保護(hù)(50HS)
* 過壓保護(hù)(59)
* 斷路器失靈保護(hù)(50BF)
* 自動(dòng)重合閘(79)
* 同期檢測(cè)(25)
* 跳閘回路監(jiān)視(74TC)
* 閉鎖(86)
7SA6115-5BB22-3PQ4:DISTANCE PROTECTION RELAY 7SA61
OPERATOR PANEL WITH:
4-LINE BACK-LIT DISPLAY,
FUNCTION KEYS,NUMERICAL KEYS,
PC-INTERFACE,
EARTH-FAULT PROT. DIRECTIONAL,
EARTHED NETWORKS
MEASURING INPUT (4 X V, 4 XI)
IPH = 5A, IE = 5A (MIN = 0.25A)
AUXILIARY VOLTAGE:
110 TO 250V DC, 115 TO 230V AC,
BINARY INPUT THRESHOLD 88V
HOUSING WIDTH 1/2 19", 14 LEDS
20 BINARY/INDICATION INPUTS,
9 SIGNAL/COMMAND OUTPUTS,
4 POWER RELAYS,
FLUSH MOUNTING HOUSING/
SCREW TERMINALS
REGION WORLD, LANGUAGE ENGLISH
(SELECTABLE)
PORT B: SYSTEM PORT,
IEC PROTOCOL, ELECTRIC RS485
PORT C:
DIGSI/MODEM, ELECTRIC RS485,
TRIPPING 3-POLE,
OVERLOAD PROTECTION,
BCD OUTPUT FAULT LOCATION,
DISTANCE PROTECTION STARTING:
Z<(POLYGON),V/PHI,
POWER SWING DETECTION,
PARALLEL LINE COMPENSATION,
AUTO-RECLOSURE, SYNCHRO-CHECK,
BREAKER-FAILURE PROTECTION,
西門子距離保護(hù)7SA6115-5BB22-3PQ4特價(jià)拋售
7SA5221-4DB92-5QB5-L0S
7VK6111-4AB91-4YQ0-L0S
7VK6111-4AB91-4YC0-L0S
7SD6101-4BB99-0BA0-L0S-M1B
7SD6101-5BB99-0BA0-L0S-M1B
7SJ6451-4EB91-3FG0-L0S
6MD6641-4EB90-0AA0-L0S
7SA6115-5BB22-3PQ4特價(jià)拋售
6MD6641-4EB90-0AF0-L0S
7SS5231-5CA01-1AA1
7SD6101-4BB99-0BA0-L0S-M2A
7SD6101-5BB99-0BA0-L0S-M2A
7SJ6221-4EB90-3FG0-L0S
7SA6121-4BB92-5PA5-L0S
7SJ6825-5E
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