Power Mod™ Power Mod’s core offering of Residential Meter Stacks, type WMM, offers the widest product offering and flexibility in the industry. Each meter stack houses the QuickSystem™ features to maximize productivity and minimize labor costs. To aid in productivity and labor cost reductions our 225 Amp meter stacks feature a new breaker - the “QS”. The QS breaker adds to the Siemens exclusive feature set on our new 225 Amp Residential Meter Stacks. Benefits of the “QS” include: An exclusive 6 high 225 Amp meter stack at the same height as our 125 Amp meter stack - 225 to 125 conversion: No conversion kit needed. Single right hand bend wiring - saves time and wire 100K AIC offered from 100 up to 225 Amps Siemens Residential Meter Stacks are packed with features inside and out: our exclusive knock out plate offers flexibility when pulling wires to the stack, new breaker supports keep breakers level and straight, moveable neutrals and grounds to save wire, and all of the QuickSystem features all designed with the contractor in mind.
Residential Meter Stacks quick reference
2-6 gang 125/225 Amp per position 1200 Amp thru-bus rating UL standard 67 UL file no. E27100 AIC rating (65k & 100k) Voltage: - Single phase 120/240V AC max. - Three phase in single phase out 120/208V AC max. 240/120V AC max. All swing latches and rivets are stainless steel. NEMA 3R rated G90 galvanized steel ANSI 61 paint
Residential Meter Stacks www.sea.siemens.com/powermod 1
Power Mod Residential Meter Stacks QuickSystem Features
QuickRoll™ A Siemens exclusive feature, QuickRoll eliminates the typical metal brackets for mounting modules to the wall. Instead of metal scraping metal, QuickRoll allows the module to glide down the mounting rail via a durable nylon wheel inside a mounting bracket.
QuickConnect™ A Siemens exclusive feature, QuickConnect reduces bussing connections from many to one - ensuring a single reliable connection instead of multiple connections.
QuickTorque™ Eliminates the need for time consuming torque readings, this breakaway nut provides the correct indication of torque of the QuickConnect. When tightened, the outer head twists off at the proper torque for connection, leaving a single nut for future maintenance.
QuickBolt™ A Siemens exclusive feature, QuickBolt eliminates the requirement to line up mechanical connections - instead bolts remain retracted until the openings line up- allowing the bolts to protrude through automatically. Springs push the bolts through and provide positive pressure to keep bolts in place while wingnuts are attached and tightened.
QuickPhase™ Each individual meter position can be phased independently according to the users needs. QuickPhase allows the user the ultimate flexibility to adjust to each individual application.
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Power Mod™ with QuickSystem™
Power Mod Residential Meter Stacks QuickSystem Features
Siemens exclusive feature
QuickRoll™
Siemens exclusive feature
QuickConnect™
QuickTorque™
Siemens exclusive feature
QuickBolt™
QuickPhase™
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Power Mod™ with QuickSystem™ 2-3
Power Mod Residential Meter Stacks Features
Sturdy steel base pan Provides reinforcing durable support for each tenant main breaker.
2 pole up to 225A @ 100kAIC Fits in 2 inch – compact width reduces enclosure size limiting total mounting space required.
Rigid molded side wall Provides reinforcing vertical support for each tenant main breaker.
Main breaker retainer Ensures secure connection for breaker wiring.
Insert a 125A QP into a 225A without conversion kits or filler plates.
Moveable neutral Allows for top or bottom configuration helping save length needed for wire. Connecting cross bus rated at 1200amps
Barrel lock capable covers Accepts common utility barrel locks to protect against unauthorized usage.
Lockable breaker cover
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Power Mod™ with QuickSystem™
Power Mod Residential Meter Stacks Features
Front accessible and field installable 5th jaw Located in 6 or 9 o’clock position. Factory installed in 9 o’clock position. All connections are front accessible.
Field phase each meter socket to balance the load between phases. More flexible than phasing the entire stack.
Mounting ears Pivot factory installed mounting ears to minimum or maximum position to provide additional stability when mounting equipment onto wall.
Ring or ringless covers Ring to ringless kits available to make last minute cover changes for specified utility requirements.
Keeping the contractor in mind, torque values are molded on each meter socket for quick reference. Apartment no. emboss Removable back end KO plate Keeping the contractor in mind, simplifies and speeds up pulling wire. Entire plate can be removed to allow ample space for wire. Knockouts in the plate can be removed before or after stack installation.
Provides convenience and organization.
Rain channel Moveable to simplify wiring.
Moveable ground Allows for top or bottom configuration helping save on wire costs.
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Power Mod™ with QuickSystem™ 2-5
Power Mod Residential Meter Stacks Catalog numbers
Residential 4-jaw ring type meter stacks: 1-phase, 3-wire SN, incoming and outgoing
Catalog number
Max. tenant breaker (Amps)
Meter positions per stack
WMM21125
2 Position
WMM31125
3 Position
WMM41125
4 Position
WMM51125
5 Position
WMM61125
6 Position
WMM21225
2 Position
WMM31225
3 Position
WMM41225
4 Position
WMM51225
5 Position
WMM61225
6 Position
125
225
Dimensions (inches) Breaker provision
Maximum AIC
QP, QPH, HQP, MP-T, MP-HT, MP-MT
QS, QSH, QSHH, HQS, HQSH, QP, QPH, HQP, MP-T, MP-HT, MP-MT
Height
Width
Depth
Field installed 5th jaw assembly
KO drawing no.
Schematic no.
65,000
34.31
13.09
8.09
ECMF5
KA-12
SA-12
65,000
43.31
13.09
8.09
ECMF5
KA-13
SA-13
65,000
52.31
13.09
8.09
ECMF5
KA-14
SA-14
65,000
61.31
13.09
8.09
ECMF5
KA-15
SA-15
65,000
70.31
13.09
8.09
ECMF5
KA-16
SA-16
100,000
34.31
16.22
8.09
ECMF5
KA-22
SA-12
100,000
43.31
16.22
8.09
ECMF5
KA-23
SA-13
100,000
52.31
16.22
8.09
ECMF5
KA-24
SA-14
100,000
61.31
16.22
8.09
ECMF5
KA-25
SA-15
100,000
70.31
16.22
8.09
ECMF5
KA-26
SA-16
Residential 4-jaw ringless type meter stacks: 1-phase, 3-wire SN, incoming and outgoing Meter positions per ptack
Max. tenant breaker (Amps)
Field KO installed drawing Schematic 5th jaw Depth assembly no. no.
Dimensions (inches)
Catalog number (No bypass)
Catalog number (Horn bypass)
WMM21125R
WMM21125RB 2 Position
65,000
34.31 13.09
8.09
ECMF5
KA-12
SA-12
WMM31125R
WMM31125RB 3 Position
65,000
43.31 13.09
8.09
ECMF5
KA-13
SA-13
WMM41125R
WMM41125RB 4 Position
65,000
52.31 13.09
8.09
ECMF5
KA-14
SA-14
WMM51125R
WMM51125RB 5 Position
65,000
61.31 13.09
8.09
ECMF5
KA-15
SA-15
WMM61125R
WMM61125RB 6 Position
65,000
70.31 13.09
8.09
ECMF5
KA-16
SA-16
WMM21225R
WMM21225RB 2 Position
100,000
34.31 16.22
8.09
ECMF5
KA-22
SA-12
WMM31225R
WMM31225RB 3 Position
100,000
43.31 16.22
8.09
ECMF5
KA-23
SA-13
100,000
52.31 16.22
8.09
ECMF5
KA-24
SA-14
100,000
61.31 16.22
8.09
ECMF5
KA-25
SA-15
100,000
70.31 16.22
8.09
ECMF5
KA-26
SA-16
WMM41225R
WMM41225RB 4 Position
WMM51225R
WMM51225RB 5 Position
WMM61225R WMM61225RB
6 Position
125
225
Breaker provision
QP, QPH, HQP, MP-T, MP-HT, MP-MT
QS, QSH, QSHH, HQS, HQSH, QP, QPH, HQP, MP-T, MP-HT, MP-MT
Maximum AIC Height Width
Dimensions shown are representative of outside box dimensions and do not include allowances for mounting bumps, hubs, or hardware protrusions. 225A available in lower three positions only. NOT for use on 3-phase, 4-wire delta systems. 5th jaw can be isolated if needed. Max AIC determined by maximum AIC of tenant breakers. Higher ratings may be achieved through approved series rating combinations.
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Power Mod™ with QuickSystem™
Power Mod Residential Meter Stacks Catalog numbers
Residential 5-jaw ring type meter stacks: 3-phase, 4-wire SN, incoming and 1-phase, 3 wire SN outgoing
Catalog number
Meter positions per stack
WMM22125J
2 Position
WMM32125J
3 Position
WMM42125J
4 Position
WMM52125J
5 Position
WMM62125J
6 Position
WMM22225J
2 Position
WMM32225J
3 Position
WMM42225J
4 Position
WMM52225J
5 Position
WMM62225J
6 Position
Max. tenant breaker (Amps)
125
225
Dimensions (inches) Breaker provision
QP, QPH, HQP, MP-T, MP-HT, MP-MT QS, QSH, QSHH, HQS, HQSH, QP,QPH, HQP, MP-T, MP-HT, MP-MT
Depth
Factory stack phasing phases/sockets
KO drawing no.
Schematic no.
13.09
8.09
AB, BC
KA-12
SA-32
43.31
13.09
8.09
AB, BC, CA
KA-13
SA-33
52.31
13.09
8.09
AB, BC, CA, AB
KA-14
SA-34
Maximum AIC
Height
Width
65,000
34.31
65,000 65,000 65,000
61.31
13.09
8.09
AB, BC, CA, AB, BC
KA-15
SA-35
65,000
70.31
13.09
8.09
2-AB, 2-BC, 2-CA
KA-16
SA-36
100,000
34.31
16.22
8.09
AB, BC
KA-22
SA-32
100,000
43.31
16.22
8.09
AB, BC, CA
KA-23
SA-33
100,000
52.31
16.22
8.09
AB, BC, CA, AB
KA-24
SA-34
100,000
61.31
16.22
8.09
AB, BC, CA, AB, BC
KA-25
SA-35
100,000
70.31
16.22
8.09
2-AB, 2-BC, 2-CA
KA-26
SA-36
Residential 5-jaw ringless type meter stacks: 3-phase, 4-wire SN, incoming and 1-phase, 3 wire SN outgoing Max. tenant breaker Breaker (Amps) provision
Dimensions (inches) Factory Maximum stack phasing AIC Height Width Depth phases/socket
KO dwg. no.
WMM22125RJ WMM22125RJB 2 Position
65,000
34.31
13.09 8.09
AB, BC
KA-12 SA-32
WMM32125RJ WMM32125RJB 3 Position
43.31
13.09 8.09
AB, BC, CA
KA-13 SA-33
52.31
13.09 8.09
AB, BC, CA, AB
KA-14 SA-34
WMM52125RJ WMM52125RJB 5 Position
QP, QPH, 65,000 HQP, MP-T, 65,000 MP-HT, MP-MT 65,000
61.31
13.09 8.09
AB, BC, CA, AB, BC KA-15 SA-35
WMM62125RJ WMM62125RJB 6 Position
65,000
70.31
13.09 8.09
2-AB, 2-BC, 2-CA
KA-16 SA-36
100,000
34.31
16.22 8.09
AB, BC
KA-22 SA-32
100,000
43.31
16.22 8.09
AB, BC, CA
KA-23 SA-33
100,000
52.31
16.22 8.09
AB, BC, CA, AB
KA-24 SA-34
100,000
61.31
16.22 8.09
AB, BC, CA, AB, BC KA-25 SA-35
100,000
70.31
16.22 8.09
2-AB, 2-BC, 2-CA
Catalog number (no bypass)
Catalog number (Horn Bypass)
Meter positions per stack
WMM42125RJ WMM42125RJB 4 Position 125
WMM22225RJ WMM22225RJB 2 Position WMM32225RJ WMM32225RJB 3 Position WMM42225RJ WMM42225RJB 4 Position 225 WMM52225RJ WMM52225RJB 5 Position WMM62225RJ WMM62225RJB 6 Position
QS, QSH, QSHH, HQS, HQSH, QP, QPH, HQP, MP-T, MP-HT, MP-MT
Schematic no.
KA-26 SA-36
Dimensions shown are representative of outside box dimensions and do not include allowances for mounting bumps, hubs, or hardware protrusions. 225A available in lower three positions only. Approved for use on 3-phase, 4-wire delta systems. 5th jaw can be isolated if needed. Max AIC determined by maximum AIC of tenant breakers. Higher ratings may be achieved through approved series rating combinations. Residential Stacks are field phaseable
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Power Mod™ with QuickSystem™ 2-7
Power Mod Residential Meter Stacks 125A knockout diagrams
34-5/16 27" TO BOTTOM OF QUICK ROLL BRACKET
9" TYP.
36" TO BOTTOM OF QUICK ROLL BRACKET
43-5/16
15-3/8 TO CROSS BUS CENTER
36" TO BOTTOM OF QUICK ROLL BRACKET
9" TYP.
12-5/32
52-5/16
24-3/8 TO CROSS BUS CENTER
2-13/16 2-13/32
9" TYP.
12-5/32 (6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
2-13/16
24-3/8 TO CROSS BUS CENTER
2-13/32
1-5/8 TYP. 12-31/32
12-5/32
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
2-13/16
1-5/8 TYP.
KA-12
2-13/32
12-31/32
WMM21125XX WMM22125XXX
KA-13
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16 1-5/8 TYP.
WMM31125XX WMM32125XXX
12-31/32
KA-14 WMM41125XX WMM42125XXX
13-3/32
8-3/32 61-5/16
125 Amp Typical Top View 36" TO BOTTOM OF QUICK ROLL BRACKET
70-5/16
9" TYP.
3-1/4
36" TO BOTTOM OF QUICK ROLL BRACKET
24-3/8 TO CROSS BUS CENTER
2-9/32
9" TYP.
12-5/32
(6) KOs 1, 1-1/4, 1-1/2, 2"
125 Amp Typical Bottom View
2-13/16
24-3/8 TO CROSS BUS CENTER
2-13/32
(6) KOs 1, 1-1/4, 1-1/2, 2 REMOVABLE PLATE
2-7/16 1-5/8 TYP. 12-31/32
KA-15 WMM51125XX WMM52125XXX
12-5/32 2-13/16 2-13/32
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16 1-5/8 TYP. 12-31/32
KA-16 WMM61125XX WMM62125XXX
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Power Mod™ with QuickSystem™
Power Mod Residential Meter Stacks 225A knockout diagrams
34-5/16 27" TO BOTTOM OF QUICK ROLL BRACKET
9" TYP.
36" TO TTOM OF ICK ROLL RACKET
43-5/16
15-3/8 TO CROSS BUS CENTER
36" TO BOTTOM OF QUICK ROLL BRACKET
9" TYP. 12-5/32
2-13/16 2-13/32
52-5/16
24-3/8 TO CROSS BUS CENTER
9" TYP.
12-5/32 2-13/16
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
24-3/8 TO CROSS BUS CENTER
2-13/32
1-5/8 TYP. 16-3/32
12-5/32
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
KA-22
2-13/16
1-5/8 TYP.
2-13/32
16-3/32
WMM21225XX WMM22225XXX
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
KA-23
1-5/8 TYP.
WMM31225XX WMM32225XXX
16-3/32
KA-24 WMM41225XX WMM42225XXX
16-7/32
8-3/32 61-5/16
225 Amp Typical Top View 70-5/16
36" TO BOTTOM OF QUICK ROLL BRACKET
4" TYP. 2" TYP.
36" TO BOTTOM OF QUICK ROLL BRACKET
2-3/16 9" TYP. 24-3/8 TO CROSS BUS CENTER
3-1/4 2-9/32
9" TYP.
12-5/32
(6) KOs 1-1/2, 2, 2-1/2"
24-3/8 TO CROSS BUS CENTER
2-13/16 2-13/32
225 Amp Typical Bottom View
12-5/32 (6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
2-13/16 2-13/32
1-5/8 TYP. 16-3/32
(6) KOs 1, 1-1/4, 1-1/2, 2" REMOVABLE PLATE
2-7/16
KA-25
1-5/8 TYP.
WMM51225XX WMM52225XXX
16-3/32
KA-26 WMM61225XX WMM62225XXX
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Power Mod™ with QuickSystem™ 2-9
Power Mod Residential Meter Stacks Schematics
Equip. Grd.
Equip. Grd.
Equip. Grd.
SA-12 WMM21125XX WMM21225XX
Equip. Grd.
SA-13 Equip. Grd.
WMM31125XX WMM31225XX
Equip. Grd.
Equip. Grd.
Equip. Grd.
SA-14
SA-15
SA-16
WMM41125XX WMM41225XX
WMM51125XX WMM51225XX
WMM61125XX WMM61225XX
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Equip. Grd.
Equip. Grd.
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Power Mod™ with QuickSystem™
Power Mod Residential Meter Stacks Schematics
Equip. Grd.
A
B
Equip. Grd.
C A
A
A
N
N
B
B
C
C
B
C
A N B C
A N B C
Equip. Grd.
Equip. Grd.
SA-32 WMM22125XXX WMM22225XXX SA-33
WMM32125XXX WMM32225XXX
Equip. Grd.
A
B
C
Equip. Grd.
A
Equip. Grd.
A
B
B
C
C
A N B C
A N B C
A N B C
A N B C
A N B C
Equip. Grd.
Equip. Grd.
A N B C
Equip. Grd.
SA-34
SA-35
SA-36
WMM42125XXX WMM42225XXX
WMM52125XXX WMM52225XXX
WMM62125XXX WMM62225XXX
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Power Mod™ with QuickSystem™ 2-11
Catalog Number Logic Example W
M
M
2
1
125
R
J
B
Horn Bypass Amperage Enclosure
B = Horn Bypass Position
125
Installed
2 = 2 Position
225
Blank = No Horn Bypass
WMM = Residential Meter Stack
Installed 3 = 3 Position 4 = 4 Position
Jaws
5 = 5 Position
J = 5th Jaw Installed Blank = No 5th Jaw
6 = 6 Position Cover Phase
R = Ringless
1 = Single Phase
Blank = Ring Type
2 = Three Phase In/ Single Phase Out
