3 Phase Main Devices

Class 4162 / Refer to Catalog 4100CT0701

3Ø4W 208Y/120 Vac or 240/120 Vac Delta EZ Meter-Pak™ Meter Centers—3Ø Indoor/Rainproof, UL Listed

1200 A Main CB/Fusible Switch Devices come Standard with 2-STEP Removable Service Entrance Endwalls

Select EZM meter center short circuit current rating from UL Listed Meter Center (SCCR). Using this table as a reference, make the following selections:

Select 3Ø EZM main device below with an equal or higher short circuit rating than the application from Overhead/Underground Feed and Main Devices, Overhead/Underground Feed.
Select EZM 3Ø branch units from 3Ø Incoming and 1Ø Outgoing, 225 A Maximum Commercial, and 400 A Maximum Commercial .
Select proper 2P type QO, QO-VH, QOH, QBP-TM, QDP-TM, QGP-TM or QJP-TM or 3P QBP-TM, QDP-TM, QGP-TM or QJP-TM branch circuit breakers for use as tenant mains in branch unit; from 125 A Max. EZM Branch Unit Tenant Circuit Breakers and 225 A Max. EZM Branch Unit Tenant Circuit Breakers.
Select accessories as required, from Tenant Circuit Breakers and EZM Accessories.
Dimensions see Main Devices Dimensions (in.).

3 Phase Main Devices—NEMA 3R Construction

3Ø Main Devices

	Ampere Rating	Service Feed	Horizontal Cross Bus Rating	Cat. No.^[1]		Width (in.)	Factory-Installed Line Side Lug (Conductors per Phase and Neutral) Wire Size (AWG–kcmil)
EZM31200FST	Main Circuit Breakers (3Ø Incoming and 3Ø Outgoing) 65 kA Short Circuit Current Rating (400–1600 A Max.), 100 kA Short Circuit Current Rating (2000 A Max.)
	Short Circuit Rating			65 kA	100 kA
	400	OH/UG	400 A	EZM3400CB	—	18.66	(1) 1–600 or (2) 1–250
	600	OH/UG	600 A	EZM3600CB	—	18.66	(3) 3/0–500
	800	OH/UG	800 A	EZM3800CB	—	18.66	(3) 3/0–500
	1000	OH/UG	1200 A	EZM31000CB	—	18.66	(3) 3/0–500
	1200	OH	1200 A	EZM31200GCBT ^[2]	—	23.69	(4) 3/0-500
	1200	UG	1200 A	EZM31200GCBU ^[3] ^[2]	EZM31200JCBU ^[3] ^[2]	23.69	(4) 3/0-500
	1600	OH/UG	1200 A	EZM31600GCBC^[2] ^[4]	EZM31600JCBC^[2] ^[4]	30.19	(6) 1/0–750 or (12) 1/0–250
	1600	UG	1200 A	EZM31600GCBU ^[2]^[4]	EZM31600JCBU ^[2]^[4]	30.19	6 (Order Lugs Separately)
	2000	OH/UG	1200 A	—	EZM32000CB ^[4]	30.19	(6) 1/0–750 or (12) 1/0–250
	2000	UG	1200 A	—	EZM32000CBU ^[4]	30.19	6 (Order Lugs Separately)
	Main Fusible Switches (3Ø Incoming and 3Ø Outgoing) Requires 300 Vac Class T Fuses (Order Separately)
	400	OH/UG	400 A	—	EZM3400FS	18.66	(1) 1–600 or (2 )1–250
	600	OH/UG	600 A	—	EZM3600FS	18.66	(3) 3/0–500
	800	OH/UG	800 A	—	EZM3800FS	18.66	(3) 3/0–500
	1200	OH	1200 A	—	EZM31200FST	23.69	(4) 3/0–500
	1200	UG	1200 A	—	EZM31200FSB ^[3]	23.69	(4) 3/0-500
	Main Lug Terminal Boxes (3Ø Incoming and 3Ø Outgoing)
	225	OH/UG	800 A	—	EZM3225TB ^[5]	11.66	(1) 4–300
	400	OH/UG	800 A	—	EZM3400TB ^[6]	17.15	(2) 3/0–500
	600	OH/UG	800 A	—	EZM3600TB ^[6]	17.15	(2) 1/0–750 or (4) 1/0–300
	800	OH/UG	800 A	—	EZM3800TB ^[6]	18.66	(4) 3/0–500
	800	OH/UG	800 A	—	EZM3800TBCU ^[6] ^[7]	24.08	(4) 3/0–500
	1600	OH/UG	1200 A	—	EZM31600TB ^[4] ^[7] ^[6]	22.48	(6) 1/0-600 or (12) 1/0-300
	2000	OH/UG	1200 A	—	EZM32000TB ^[6]	30.19	6 (Order Lugs Separately)
	Main Circuit Breakers (3Ø Incoming and 3Ø Outgoing) with Energy Reduction Maintenance Switch (ERMS)
	1200	OH	1200 A	EZM31200GCBTMS	EZM31200JCBTMS	23.69	(4) 3/0–500
	1200	UG	1200 A	EZM31200GCBUMS	EZM31200JCBUMS	23.69	(4) 3/0–500
	1600	OH/UG	1200 A	EZM31600GCBCMS	EZM31600JCBCMS	30.19	(6) 1/0–750 or (12) 1/0–250
	1600	UG	1200 A	EZM31600GCBUMS	EZM31600JCBUMS	30.19	6 (Order Lugs Separately)
	2000	OH/UG	1200 A	EZM32000CBMS	—	30.19	(6) 1/0–750 or (12) 1/0–250
	2000	UG	1200 A	EZM32000CBUMS	—	30.19	6 (Order Lugs Separately)

3Ø Main Devices, EUSERC

	Ampere Rating	Horizontal Cross Bus Rating	Cat. No.		Width (in.)	Factory-Installed Lug Landings For use with Crimp-Type Lugs (2-Hole Mounting) Qty. per Phase and Neutral, except non-EUSERC device.^[8]
EZM31200GCBEMS	Main Circuit Breakers (3Ø Incoming and 3Ø Outgoing)
	Short Circuit Rating		65 kA	100 kA
	400	400 A	EZM3400CBU ^[9]	—	20.46	1 (Order Lugs Separately)
	600	600 A	EZM3600CBU^[9]	—	26.19	2 (Order Lugs Separately)
	800	800 A	EZM3800CBU ^[9]	—	26.19	2 (Order Lugs Separately)
	1000	1200 A	EZM31000CBU	—	34.19	3 (Order Lugs Separately)
	1200	1200 A	EZM31200GCBE ^[2]	—	32.39	3 (Order Lugs Separately)
	Main Fusible Switches (3Ø Incoming and 3Ø Outgoing) Requires 300 Vac Class T Fuses (Order Separately)
	400	400 A	—	EZM3400FSU	20.46	1 (Order Lugs Separately)
	600	600 A	—	EZM3600FSU	26.19	2 (Order Lugs Separately)
	800	800 A	—	EZM3800FSU	26.19	2 (Order Lugs Separately)
	1200	1200 A	—	EZM31200FSE	32.39	3 (Order Lugs Separately)
	Main Lugs Terminal Boxes (3Ø Incoming and 3Ø Outgoing)
	400	400 A	—	EZM3400TBU ^[6]	17.16	1 (Order Lugs Separately)
	800	800 A	—	EZM3800TBU ^[6]	25.16	2 (Order Lugs Separately)
	1200	1200 A	—	EZM31200TBU ^[6]	33.16	3 (Order Lugs Separately)
	Main Circuit Breaker (3Ø Incoming and 3Ø Outgoing) with Energy reduction Maintenance Switch (ERMS)
	1200	1200 A	EZM31200GCBEMS	EZM31200JCBEMS	32.39	3 (Order Lugs Separately)

note

All EUSERC main devices are designed for underground utility service feed.

Section 2: Metering Equipment