Siemens SENTRON 3VL System Manual page 61

Possible configuration of the insulated accessory compartments
VL160X
3VL1
VL160
3VL2
VL250
3VL3
VL400
3VL4
VL630
3VL5
VL800
3VL6
VL1250
3VL7
VL1600
3VL8
Figure 5-8
Note
If a communication-enabled ETU is used, the left-hand accessory compartment X2 contains
an auxiliary switch and an alarm switch!
Note
Max. no. of contact blocks
Maximum 6 contact blocks (HS) per circuit breaker VL160X to VL400
Maximum 8 contact blocks (HS) per circuit breaker VL 630 to VL 1600
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
Max.
Max. Max.
2 HS +
3 HS 3 HS
1 AS
Max.
Max. Max.
2 HS +
3 HS 3 HS
1 AS
Max.
Max. Max.
2 HS +
3 HS 3 HS
1 AS
Max.
Max. Max.
2 HS +
3 HS 3 HS
1 AS
Max.
Max. Max.
2 HS +
4 HS 4 HS
2 AS
Max.
Max.
Max.
2 HS +
4 HS 4 HS
2 AS
Max.
Max. Max.
2 HS +
4 HS 4 HS
2 AS
Max.
Max. Max.
2 HS +
4 HS 4 HS
2 AS
Possible configuration of the insulated accessory compartments
Shunt release or undervoltage release,
HS: Auxiliary switch, AS: Alarm switch (1 NO or 1 NC contact respectively)
Max.
Max.
U<
2 HS +
3 HS
1 AS
Max.
Max.
U< 2 HS +
3 HS
1 AS
Max.
Max.
U< 2 HS +
3 HS
1 AS
Max.
U<
3 HS
Max.
U<
4 HS
Max.
U<
4 HS
Max.
U<
4 HS
Max.
U<
4 HS
U<
HS one auxiliary switch 1 NO or 1 NC
AS one alarm switch 1 NO or 1 VC
Functions
5.2 Voltage protection
61