发布于:2008-11-06 17:21:06
来自:电气工程/成套电气设备
[复制转发]
1. Hand & Electrical Reset Tripping Relay c/w 6contacts, 4NO+2NC, 30VDC, TR241, E2 case
2. Restricted Earth Fault Relay, DCD421B (7SG114-0FA11-0DA0) 4P overcurrent & sensitive e/f or REF.
3. Solkor RF Pilot Wire Protection Relay c/w 2contact, 2NO, 1A, E6 case
4. Over Current Earth Fault Relay, Reyroll ( Type DCD 412 ) - 30VDC
或者告诉我什么地方可以下来学习下。
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