Cutler Hammer, Div of Eaton Corp MOEM MCCB Selection Guide

MOEM molded-case circuit breakers

MOEM MCCB
product selection guide

This guide will help you:

• Say “yes” more often

• Have more successful sales calls

• Partner with the product line

and do business more easily

• Increase sales volume

• Scroll and replicate momentum

• Lead channel

Mission

You are preparing to visit a
machinery OEM customer
regarding a molded-case circuit
breaker (MCCB) opportunity.

You would like to engage
the customer in exploratory
conversations to gather
requirements specific to their
application to help select the
correct breaker line.

Issue

You are not sure what questions
to ask because you’re not
familiar with all the options
and features available.

Solution

This MCCB product selection
guide is designed to be your
high level guide to asking the
right questions for selecting
the correct breaker from our
broad offering.

The guide gives you a list of
questions, criteria and features
to identify which product line
satisfies the majority of the
requirements.

What Eaton brings

•

Top market share in
North America

•

Complete line of circuit
protection products

•

Comprehensive product
offering in molded-case
circuit breakers

•

MOEM specific Technical
Resource Center support

•

Certified to latest standards

•

Innovators backed by
more than 60 years of
market experience

TIPS ON BREAKER SELECTION

If the breaker you order is not
available, consider the following:

1. Breaker with different
or no lug options

Example

LGE3250FAG
Consider: LGE3250FAW
and (2) TA250FJ

2. Higher interrupting ratings

Example

JGS3100FAG
Consider: JGH3100FAG

3. Components vs. kits

Example

Kit: EGHMVD06BO
Consider components:
68C6048G41 Handle
66A6010G95 Shaft
1498D66G17 Mechanism

Decision chart

Global

Certification

Required

No

Series CT or G

Yes

Series GT

Through

Cover

Accessories

Required

No

Series C or G

Yes

Series G

Compact Size

Required

No

Series C or G

Yes

Series G or GD

High

Interrupting

Ratings

Required

Yes

Series G 480V

at 200 kAIC,

690V at 35 kAIC

No

Series C 480V

at 100 kAIC,

600V at 35 kAIC

Features comparison for Series G and Series C MCCBs

Top 5 Considerations

Features Series G (International, Numerous Options) Series C (Domestic, Fewer Options)

Certifications

Available frame sizes Five frames: EG (15–125A), JG (63–250A), LG (250–630A),

Size Compact Standard
Voltage/interrupting capacity Maximum 480V at 200 kAIC; 415V at 200 kAIC 480V at 100 kAIC; 600V at 35 kAIC
Accessories (through cover) Field installable ST, AUX, UVR, bell alarm,

Additional Considerations

Features Series G (International, Numerous Options) Series C (Domestic, Fewer Options)

Combination ratings Power distribution blocks available; tested

Flexibility of stock, inventory
usage variations

Direct current options Yes—up to 600 Vdc; LG up to 1000 Vdc Yes—most frames up to MDL 800A up to 600 Vdc; FD, KD,

Ambient temperatures 40°C standard, –20 to +70°C special calibration available 40°C standard, –20 to +70°C special calibration available
Electronic trip units Yes—310+ JG through RG; field installable Yes—FDE has 310+, KD has 310+, LD has 310 field installable
Rating plug Not required—JG, LG, NG and RG have selectable

100% rated (at 40°C) available Yes Yes

Global (UL,T IEC, CE, CCC, CSAT)

NG (320–1200A), RG (800–2500A)

common accessories (<600A)

with ICD products
Higher with field installable, common internal

accessories between EG, JG, LG

long time delay and pickup setting switches on trip unit

UL, CSA only; limited IEC versions not dual rated in all cases

Eight frames: GD (15–100A), FD (10–225A), JD (70–250A), KD (70–400A),
LD (125–600A), MDL (300–800A), ND and RD OPTIM only (400–2500A)

Primarily factory installed

Power distribution blocks available; tested with ICD products

Fewer

MDL up to 1000 Vdc

LD and MDL only (not needed if 310+)

2

EATON MOEM molded-case circuit breakers