Installation Guide

11
Load Center Selection & Application Guide |
ES Series Three Phase Main Lug & Main Breaker Load Centers
3-phase, 3-wire, 240 Volt AC or 3-phase, 4-wire, 120/240 or 120/208 Volts AC
Main Lug/Non-Convertible Load Centers

Aluminum Bus
12-70 Circuits / 125-225 Amperes
100,000A IR

Branch Circuits Indoor Enclosure – NEMA Type 1 Outdoor Enclosure – NEMA Type 3R
Amp Rating
No. of
Spaces
No. of
Circuits Catalog Number
Enclosure Height
(inches)

Catalog Number
Enclosure Height
(inches)

125 12 24 S1224L3125 21 SW1224L3125 21
150 18 36 S1836L3150 24 SW1836L3150 23
150 24 42 S2442L3150 30 SW2442L3150 27
200 12 24 S1224L3200 21 SW1224L3200 21
200 24 42 S2442L3200 30 SW2442L3200 27
200 30 54 S3054L3200 30 SW3054L3200 35
225 42 60 S4260L3225 36 SW4260L3225 38
225 54 70 S5470L3225 42 — —
a
May be installed on higher rated systems when protected
by a circuit breaker with a higher AIR rating.

Back fed main breaker.

Indoor enclosures are 14 1/4" wide by 3 7/8" deep.

Outdoor enclosures are 14 1/2" wide by 4 1/4" deep.

Non-convertible to main breaker.

Suitable for use as service entrance equipment when not
more than six main disconnecting means are provided. See
article 230.71 of the NEC
®
.

Rated 100,000A IR in series with breakers listed on
wiring diagram.
Main Breaker/Convertible Load Centers Aluminum Bus
30-60 Circuits / 100-225 Amperes 10,000A IR
a
Branch Circuits Indoor Enclosure – NEMA Type 1 Outdoor Enclosure – NEMA Type 3R
Amp Rating
No. of
Spaces
No. of
Circuits Catalog Number
Enclosure Height
(inches)

Catalog Number
Enclosure Height
(inches)

100 12 24 S1224B3100

24 SB1224B3100 —
100 30 30 S3030B3100

30 — —
100 30 42 S3042B3100

30 — —
125 30 42 S3042B3125 39 — —
150 24 42 S2442B3150 36 SW2442B3150 35
150 30 54 S3054B3150 39 — —
150 42 42 S4242B3150 42 — —
200 30 54 S3054B3200 39 SW3054B3200 38
200 42 60 S4260B3200 42 SW4260B3200 42
225 42 42 S4242B3225 42 SW4242B3225 42