Siemens SENTRON 3VL System Manual page 210

Dimensional drawings
13.1 VL160X (3VL1), VL160 (3VL2), and VL250 (3VL3), 3- and 4-pole, to 250 A
SENTRON VL160 (3VL2) and VL250 (3VL3) circuit
breakers with extension collar (connected position)
Extension collar installation dimensions
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(10)
(11)
210
Plug-in socket with terminal covers
Socket
Circuit breaker
Cover frame for door cutout
(for circuit breakers with operating mechanism)
Terminal covers (standard)
External surface of cabinet door
Mounting level
Extension collar
Locking device for the racking mechanism
Racking mechanism
SENTRON VL160 (3VL2) and VL250 (3VL3) circuit
breakers with extension collar (disconnected position)
Withdrawable version installation dimensions
System Manual, 03/2009, 110 0110 - 02 DS 01
3VL molded-case circuit breakers