Specification

Siemens Industry, Inc. SPEEDFAX™ 2017 Product Catalog
3-36
3
MURRAY Group Metering
Group Metering: NYC Gangable Metering
Trough & Phase Block Selection
Line Troughs
(Use Selection Chart #2 and
Specification Chart #2)
Knowing the number of meter stacks,
(not meter positions!) and the height
and width requirements, select quan-
tity and catalog number of stacks from
Selection Chart #2. For specs, refer to
Specification Chart #2
Breaker Troughs
(Use Selection Chart #2 and
Specification Chart #3)
Using the total number of meter
stacks, (not meter positions!), select
the quantity and catalog number of
breaker troughs from Selection Chart #2
and spec from Specification Chart #3.
Use MP-T style breakers only. Breakers
not included.
Phase Blocks
(Use Selection Chart #2 and
Specification Chart #4)
Using the number of meter stacks
and the incoming power supply, use
Selection Chart #2 to determine the
quantity and catalog number of phase
blocks for line and neutral termination.
Spec these from Specification Chart #4.
a
Spacer ULT10SP is required if line conductors exceed #6 AWG.
b
Spacer ULT10SP is required if line conductors exceed #350 kcmil.
c
Requires (1) UCP1216 Coupler Kit. Kit provides coupling straps for both line and breaker troughs.
d
Requires (2) UCP1216 Coupler Kits. Kit provides coupling straps for both line and breaker troughs.
a
Line troughs are 12” high.
b
Will not accommodate Phase Blocks.
a
Use Murray Type MP-T circuit breakers.
Breakers not included.
b
Height is 16”.
a
Requires separate line lug kit.
Selection Chart #2Line Trough, Breaker Trough and Phase Block Selection
No. of
Meter
Stacks
in Bank
Line Trough Selection Breaker Trough Selection
Phase Block Section
3 Phase, 4 Wire System 1 Phase, 3 Wire System
Left
Trough
Middle
Trough
Right
Trough
Left
Trough
Middle
Trough
Right
Trough
Line
Blocks
Neutral
Block
Line
Blocks
Neutral
Block
3 ULT30
a
UBT30 (3) UPB3 (1) UPB3 (2) UPB3 (1) UPB3
4 ULT40
b
UBT40 (3) UPB3 (1) UPB6 (2) UPB6 (1) UPB6
5 ULT50 UBT50 (3) UPB6 (1) UPB6 (2) UPB6 (1) UPB6
6 ULT30
c
ULT30 UBT30
c
UBT30 (3) UPB6 (1) UPB6 (2) UPB6 (1) UPB6
7 ULT40
c
ULT30 UBT40
c
UBT30 (3) UPB6 (1) UPB12 (2) UPB12 (1) UPB12
8 ULT40
c
ULT40 UBT40
c
UBT40 (3) UPB6 (1) UPB12 (2) UPB12 (1) UPB12
9 ULT50
c
ULT40 UBT50
c
UBT40 (3) UPB6 (1) UPB12 (2) UPB12 (1) UPB12
10 ULT50
c
ULT50 UBT50
c
UBT50 (3) UPB12 (1) UPB12 (2) UPB12 (1) UPB12
11 ULT40
d
ULT40 ULT30 UBT40
d
UBT40 UBT30 (3) UPB12 (1) UPB12 (2) UPB12 (1) UPB12
12 ULT40
d
ULT40 ULT40 UBT40
d
UBT40 UBT40 (3) UPB12 (1) UPB12 (2) UPB12 (1) UPB12
Specification Chart #2—Line Troughs
240V AC max. 1 Phase or 3 Phase
Stack
Positions
Width
a
(Inches)
Catalog
Number
2 20
ULT20
b
3 30
ULT30
4 40
ULT40
5 50
ULT50
Specification Chart #3—
Breaker Troughs
a
Stack
Positions
Width
a
(Inches)
Catalog
Number
2 20
UBT20
3 30
UBT30
4 40
UBT40
5 50
UBT50
Specification Chart #4—Phase Blocks
240V AC max. 1 Phase or 3 Phase
Number of
Take-off Lugs Catalog Number
Wire Range
Line
a
Load
3
UPB3
3/8 x 16 Stud #6 - #4/0
6
UPB6
3/8 x 16 Stud #6 - #4/0
12
UPB12
3/8 x 16 Stud #6 - #4/0
Product Category RESI