Siemens 3AH37 Operating Instructions Manual page 23

Basic equipment
Additional equipment
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2013-07-08
Equipment
The basic equipment of the 3AH37/38 vacuum circuit-breaker contains:
Motor
Contactor relay (electrical anti-pumping device)
Closing solenoid
Shunt release
Auxiliary switch (optional)
• 6NO + 6NC
• 12NO + 12NC
Position switch for signal "Closing spring charged"
Circuit-breaker tripping signal, cut-out switch
Low-voltage interface (optional)
• Plug-connector with sleeve housing 64-pin
• Plug-connector with sleeve housing 24-pin
• Terminal strip
Operating cycle counter
Mechanical anti-pumping device
Mechanical manual closing and opening
Every 3AH37/38 vacuum circuit-breaker can also be fitted with the following
equipment:
1)
Shunt release 3AX1101
Transformer-operated release 3AX1102
Transformer-operated release 3AX1104 (0.1 AC)
Undervoltage release 3AX1103
Heater (condensation water protection)
Electrical manual closing
1)
Mechanical interlock
2)
Priority opening
1) Subsequent installation possible
2) No subsequent installation possible
In addition to the serial shunt release (Y1), the vacuum circuit-breaker can be
equipped with a maximum of 2 releases of the type 3AX11.
For the permitted possible combinations of the additional equipment as well as
special designs, refer to catalogue HG11, or contact the responsible Siemens
representative.
1)
1)
1)
2)
Description
(S41, S42)
1)
(M1)
(K1)
(Y9)
(Y1)
(S1)
(S6, S7)
(X0)
(X1)
(Y2, Y3)
(Y4, Y5)
(Y6)
(Y7)
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