Speedfax 2017

Power Mod
Revised on 06/30/19
Applications: WMLZ/ WMLZF – Fusible Residential Lever Bypass Meter Stacks
Flow of Current
3
WMLZ
WMLZ WMLZF
WMLZF WMLZ WSPD
METER
CENTERS
E
E
C
C
E
Main
Horizontal
Bus
A
F
Secondary
Horizontal
Bus
D
D
B
B
D
A Cables land on a tap box and current enters Power Mod line up on the main horizontal Bus.
B Current is directed from the main horizontal bus down onto the WMLZF’s vertical bus and into the
400 amp fuse pull out.
C The current then goes up on the WMLZF’s vertical bus to feed the sockets.
D WMLZ’s must be fed by a secondary horizontal bus from the WMLZF’s
*Additional connections are required between the WMLZ and WMLZF.
E The current then flows up from the secondary horizontal bus and on to the vertical bus to
feed the sockets in the WMLZ’s.
*More than one WMLZ can be fed from 1 WMLZF.
F The main horizontal bus is used as a pass through on the WMLZ’s for any additional modules attached to the line up.
*Quick Connect MUST be used between every module to maintain the line ups Neutral bonding, even if there are no extra modules
attached at the end of the line up.
3-70
Siemens Industry, Inc. SPEEDFAX Product Catalog