Square D Digest 179

Selection Information

EZ Meter-Pak™ Meter Centers

Class 4100 / Refer to Catalog 4100CT0701

www.se.com/us

Table 2.16 UL Listed Meter Center Short-Circuit Current Ratings (SCCR) [2.16] (cont'd.)

EZM Meter Center Overcurrent Protection Devices

Short Circuit Current Rating (240Vac Maximum) [9] [10]

EZM Branch Unit Tenant Circuit Breaker Types Available (Branch Unit Amperes max., Number of Poles, Tenant Circuit Breaker Amperes Rating Range)

Figures

EZM Main Device with Integral Mounted Main, Remote Mounted Main or without an Upstream Mounted Main (Six Disconnect Rule)

QO-VH( 125A , 2P, 40–125 A) QO-VH( 225A , 2P, 40–60 A) [9] QD( 225A 2P, only, 70–225 A) QD( 225A 3P only, 70–225 A) [10] LJL ( 125–400A , 2Por 3P) [11]

400–1200 A EZM Main Device (1Ø or 3Ø) with Class T (300 Vac) fuses installed.

100kA

2 METERING EQUIPMENT

[9] Meter center short circuit current rating is equal to the lowest short circuit current rating given in table for any circuit breaker installed in any meter panelboard in the meter center. [10] Short circuit current rating is measured at the LINE SIDE terminals of the integral mounted or remote mounted main providing overcurrent protection for the EZM metering equipment lineup. [9] Requires use of EZM125QOA adapter (order separately). [10] 3P only tenant circuit breaker(s) are limited to: 100 kA Max. at 208Y/120 Vac or 65 kA Max at 240/120 Vac. [11] Supplied with factory-installed circuit breaker(s), with an adjustable trip range of 125–400 A.

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