1 Phase Branch Devices

Class 4161 / Refer to Catalog 4100CT0701

1 Phase Branch Devices—NEMA 3R Construction

Branch Units—1Ø Incoming and 1Ø Outgoing

 

System
Type

Number of Meter Sockets

Horizontal Cross Bus Rating

Ring Type 4-Jaw Meter Socket
without Bypass [1]

Ringless Type 5-Jaw Meter Socket
without Bypass

Ringless Type 5-Jaw Meter Socket
with Horn Bypass

Ringless Type 5-Jaw Meter Socket
with Lever Bypass

Cat. No [2]

Width
(in.)

Cat. No [2]

Width
(in.)

Cat. No [2]

Width
(in.)

Cat. No [2]

Width
(in.)

EZMH114125

125 A Maximum (Order Type QO, QO-VH or QOH Circuit Breakers Separately) [3][4]

1Ø3W

120/240 Vac

2P Branch
Circuit Breakers

3

800 A

EZM113125

12.25

EZMR113125

12.25

EZMH113125

12.25

EZML113125

15.56

1200 A

EZM113125X

EZMR113125X

EZML113125X

4

800 A

EZM114125

EZMR114125

EZMH114125

EZML114125

1200 A

EZM114125X

EZMR114125X

EZMH114125X

EZML114125X

5

800 A

EZM115125

EZMR115125

EZMH115125

EZML115125

1200 A

EZM115125X

EZMR115125X

EZMH115125X

EZML115125X

6

800 A

EZM116125

EZMR116125

EZMH116125

EZML116125

1200 A

EZM116125X

EZMR116125X

EZMH116125X

EZML116125X

225 A Maximum Branch Units (Order Type QBP-TM, QDP-TM, QGP-TM or QJP-TM Circuit Breakers Separately) [5]

1Ø3W

120/240 Vac

2P Branch
Circuit Breakers

2

800 A

EZM112225

17.38

EZMR112225

17.38

EZMH112225

17.38

1200 A

EZM112225X

EZMH112225X

3

800 A

EZM113225

EZMR113225

EZMH113225

1200 A

EZM113225X

EZMR113225X

4

800 A

EZM114225

EZMR114225

EZMH114225

1200 A

EZM114225X

EZMR114225X

EZMH114225X

5

1200 A

EZM115225

EZMR115225

EZMH115225

1200 A

EZM115225CU

EZMR115225CU

6

1200 A

EZM116225

EZMR116225

EZMH116225

Branch Units—225 A Maximum Commercial
(Order Type QBP-TM, QDP-TM, QGP-TM or QJP-TM Circuit Breakers Separately) [6]

 

System Type

Number
of Meter
Sockets

Horizontal Cross
Bus Rating

Ringless Type 5-Jaw Meter Socket
with Lever Bypass and Jaw Release

Ring Type 5-Jaw Meter Socket
with Test Block Bypass.
Meets EUSERC Requirements

Cat. No.

Width
(in.)

Cat. No.

Width
(in.)

EZMT111225

EZML113225

1Ø3W

120/240 Vac

2P Branch Circuit Breakers

1

1200 A

EZML111225

19.44

EZMT111225 [7]

22.42

2

1200 A

EZML112225

19.44

EZMT112225 [7]

22.42

3

1200 A

EZML113225

19.44

EZMT113225 [7][8]

22.42

4

1200 A

EZML114225

19.44

1200 A

EZML114225CU

 

Branch Units—400 A Maximum Commercial

System Type

Number of Meter Sockets

Main
Cross Bus
Rating

Ringless Type 5-Jaw Meter Socket
with Lever Bypass and Jaw Release.
Includes Factory-Installed 400 A Type LJL Circuit Breaker [9] [10]

Ringless Type K Bolt-on
4-Jaw Meter Socket with Manual Bypass.
Includes Factory-Installed 400 A Type LJL Circuit Breaker [10]

Cat. No.

Width
(in.)

Cat. No.

Width
(in.)

1Ø3W

120/240 Vac

2P Branch Circuit Breakers

1

1200 A

EZML111400

23.21

EZMK111400

27.56

2

1200 A

EZML112400

23.21

27.56

Footnotes

  1. Snap-on aluminum sealing rings supplied as standard.
  2. 800 A rated Horizontal Cross Bus is standard for most configurations. 1200 A cross bus is available for most configurations and is typically noted with an X suffix. Cross bus may be Copper or Aluminum unless CU appears in the part number, as "CU "indicates all bus is copper.
  3. Supplied with removable drip hood and equipped with an indoor top endwall with knockouts provided.
  4. Compatible with a branch terminal box accommodating a maximum conductor size of 300 kcmil when voltage drop calculations require sizes over 2/0, see Table 1.35: Accessories.
  5. Type QO, QO-VH and QOH branch circuit breakers (40–60 A) may be installed with use of EZM125QOA adapter kits, see Tenant Circuit Breakers.

  6. 2P Type QO (40–125 A, 10 kA max. meter center SCCR) or QO-VH and QO-H (40–60 A, 100 kA max. meter center SCCR) may be installed using EZM125QOA adapter kit, see Tenant Circuit Breakers.

  7. Supplied with bondable neutral, suitable for use as service equipment. Use main lugs terminal box type EZM-TBU for Six Disconnect Rule applications to feed this device. Supplied with copper horizontal bus bars and aluminum vertical bus bars.

  8. Does not meet EUSERC 48 in. minImum / 75 in. maximum meter height requirements for outdoor installations. The bottom meter socket is 37 inches above ground when the device is mounted with the top meter socket at 75 inches above ground. EUSERC indoor requirements are 36 in. minimum / 75 in. maximum.

  9. Supplied with Class 320 lever bypass meter socket. Utilizes anti-inversion clip kit MMLRK, if required, refer to Tenant Circuit Breakers.

  10. LJL circuit breaker has adjustable trip settings from 125-400 A. Use seal kit MICROTUSEAL, if required. LJL circuit breaker terminal lug kit factory-installed and accommodates (2) 2/0-500 kcmil Cu-Al per phase. Alternate lug kit AL400L61K3 for LJL circuit breaker is available, see. Tenant Circuit Breakers.

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