Siemens 3MV81 Series Operating Instructions page 3

二 . 接线规格及示意图 Equipment circuit diagrams
3MV81
1/L1, 3/L2, 5/L3; 2/T1, 4T2, 6/T3
PZ2 (Ø 5 ... 6 mm)
M4:1...1,5 Nm
2 x (1...6mm²)
2 x (1...4mm²)
a) 分励脱扣器
Shunt release
b) 欠压脱扣器
Undervoltage release
c)
带超前辅助触头的欠压脱扣器
Undervoltage release with leading auxiliary contacts
d) 辅助触头
Auxiliary contacts
e) 外加辅助触头
Auxiliary contact block
f)
短路故障显示器
Short-circuit signalling contact block
13, 14, 21, 22; 31, 32, 43, 44; 73, 74, 81, 82;
C1, C2; D1, D2, 57, 58
PZ2 (Ø 5 ... 6 mm)
M3:0,8...1,2 Nm
2 x (0,5...2,5mm²)
2 x (0,5...1,5mm²)
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