Technical Data Bulletin
2-20
© 2019 Schneider Electric
All Rights Reserved
EZ Meter-Pak™ Meter Centers 3 Phase Main Devices (Busway Center Tap)
schneider-electric.us
Class 4162 / Refer to Catalog 4100CT0701
EZM Main with Center-Mounted Busway Tap
The EZM Main with center-mounted busway tap is a space-saving design for high rise
applications that is installed as an integral component of the vertical riser busway and
allows standard EZM branches to be mounted from both sides. See online digest
updates for availability or contact your local field sales office for additional information
EZM Busway Center Tap Mains
The EZM Busway Center Tap mains offer provides a convenient space saving method
for connecting EZM Branch Meter sections to I-Line II Busway in vertical riser
applications. The mains are connected "inline" with the Busway column conserving
precious electrical room space.
1. The Part Number Coding Table is to be used for interpreting existing part numbers
only. All possible combinations are not available. Please contact product support for
additional references needed.
2. Outgoing Feeder Bus Joint-Pak is included with each EZM CTM Section.
3. EZM Horizontal Cross Bus is 1200 A Copper Only
4. Busway Center Tap Mains are fully NEMA 3R Rated.
5. Mains Devices are fully sealable by utility.
6. EZM Branch units are installed using the mounting kit - EZMCTMKIT.
7. Short circuit current rating = 150,000 symmetrical amps.
8. EZM CTM is configured for neutral front only (G-> N-> C-> B->A-> G) as viewed front
to rear.
9. Compatible with I-LINE II Busway rated 2000–5000 A.
10. Includes factory installed PowerPact M- and P-frame Circuit Breakers and Switches
(Rated 600–1200 A.)
11. Fully compatible with all standard EZ Meter-Pak Branch Devices and Extenders.
Table 2.31: Part Number Coding
Number Segment Character Description EZM 3 1000 JCB C 20
Device Name EZM
EZM Busway Center Tap Main
System Connection (Phase Order: Front to Back)
3
3 Phase (N, C, B, A)
Maximum Current of Main Service Disconnect
600 600 A
800 800 A
1000 1000 A
1200 1200 A
Type of Main Service Disconnect (with AIC Rating)
GCB 65 kAIC Circuit Breaker
JCB 100 kAIC Circuit Breaker
FS 100 kAIC Fused Switch
Material of I-Line II
C
Copper
A Aluminum
Amperage of I-Line II
20 2000 A
25 2500 A
30 3000 A
32 3200 A
40 4000 A
50 5000 A
This table is for interpreting existing part numbers only. All possible combinations are not
available.
Table 2.32: EZM Busway Center Tap Mains
Main CB
Ampere Rating
(A)
I-Line II Busway
Rating Material
Cat. No.
Height
(in.)
Width
(in.)
Depth
(in.)
MC
Height
(in.)
Main Circuit Breakers (3Ø Incoming and 3Ø Outgoing)
SCCR 65 kA 100 kA
600
2000A, Al — EZM3600JCBA20 43.08 22.70 14.78 56.11
3000A, Al — EZM3600JCBA30 43.08 22.70 14.78 56.11
4000A, Al — EZM3600JCBA40 43.08 27.96 14.78 56.11
4000A, Al EZM3600GCBA40 — 43.08 27.96 14.78 56.11
4000A, Cu EZM3600GCBC40 — 43.08 27.96 14.78 56.11
800
2000A, Al EZM3800GCBA20 — 43.08 22.70 14.78 56.11
3000A, Al EZM31200GCBA30 — 43.08 22.70 14.78 56.11
3000A, Al EZM3800GCBA30 — 43.08 22.70 14.78 56.11
3000A, Cu EZM3800GCBC30 — 43.08 22.70 14.78 56.11
3000A, Al — EZM3800JCBA30 43.08 22.70 14.78 56.11
4000A, Al — EZM3800JCBA40 43.08 27.96 14.78 56.11
4000A, Al EZM3800GCBA40 — 43.08 27.96 14.78 56.11
1000
4000A, Al EZM31000GCBA40 — 43.08 27.96 14.78 56.11
4000A, Al — EZM31000JCBA40 43.08 27.96 14.78 56.11
4000A, Cu — EZM31000JCBC40 43.08 27.96 14.78 56.11
1200
2500A, Al EZM3800GCBA25 — 43.08 22.70 14.78 56.11
4000A, Al EZM31200GCBA40 — 43.08 27.96 14.78 56.11
4000A, Al — EZM31200JCBA40 43.08 27.96 14.78 56.11
2
METERING EQUIPMENT
5/15/2019