Volume 4—Circuit Protection CA08100005E—October 2022 www.eaton.com V4-T2-1
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Molded Case Circuit Breakers
Learn
Online
Drawings
Online
Series G Circuit Breakers
Power Defense Molded Case
Circuit Breakers
2.1 Introduction
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-2
2.2 Power Defense Molded Case Circuit Breakers
Power Defense Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-4
Power Defense Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-12
Frame Size 1 (15–125 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-22
Frame Size 2 (15–225 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-29
Frame Size 3 (45–600 A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-42
Frame Size 4 (300–800 A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-57
Frame Size 5 (320–1200 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-70
Frame Size 6 (700–2500 A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-79
Motor Circuit Protectors (3–600 A). . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-87
Motor Protection Circuit Breakers (15–600 A) . . . . . . . . . . . . . . . . . . . V4-T2-98
High Instantaneous Power Defense Circuit Breakers
for Selective Coordination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V4-T2-104
Power Defense Direct Current Circuit Breakers . . . . . . . . . . . . . . . . . . V4-T2-107
Power Defense Mechanical Current-Limiting Circuit Breaker Module . V4-T2-112
Terminals, Lugs, Connectors and Enclosures . . . . . . . . . . . . . . . . . . . V4-T2-116
Communications and Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-140
Special Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-142
Special Modification Ordering and Pricing . . . . . . . . . . . . . . . . . . . . . . V4-T2-146
2.3 Series G
Molded Case Circuit Breakers
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-147
EG-Frame (15–125 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-158
JG-Frame (63–250 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-172
LG-Frame (250–630 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-190
NG-Frame (320–1200 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-208
RG-Frame (800–2500 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-217
Motor Circuit Protectors (MCP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-228
Motor Protector Circuit Breakers (MPCB) . . . . . . . . . . . . . . . . . . . . . . V4-T2-232
30 mA Ground Fault (Earth Leakage) Module. . . . . . . . . . . . . . . . . . . . V4-T2-235
Current-Limiting Circuit Breaker Module . . . . . . . . . . . . . . . . . . . . . . . V4-T2-239
High Instantaneous Circuit Breaker for Selective Coordination . . . . . . V4-T2-244
Special Features and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-247
Motor Operators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-255
Plug-In Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-257
Drawout Cassette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-258
2.4 Series C
Molded Case Circuit Breakers
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-259
G-Frame (15–100 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-264
F-Frame (10–225 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-278
J-Frame (70–250 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-296
K-Frame (70–400 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-304
L-Frame (125–600 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-328
M-Frame (300–800 Amperes). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-354
N-Frame (400–1200 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-365
R-Frame (800–2500 Amperes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-380
Motor Circuit Protectors (MCP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-399
Motor Protection Circuit Breakers (MPCB). . . . . . . . . . . . . . . . . . . . . . V4-T2-410
Type ELC Current Limiter Attachment (Size 0–4) . . . . . . . . . . . . . . . . . V4-T2-412
Current-Limiting Circuit Breaker Module . . . . . . . . . . . . . . . . . . . . . . . V4-T2-413
Internal Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-416
External Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-449
2.5 Specialty Breakers
Engine Generator Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-476
Direct Current Circuit Breakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-482
PVGard Solar Circuit Breakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-496
E2 Mining Service Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-506
2.6 Handle Mechanisms
Handle Mechanisms—Series G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-532
Handle Mechanisms—Series C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-544
V4-T2-2 Volume 4—Circuit Protection CA08100005E—October 2022 www.eaton.com
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2.1
Molded Case Circuit Breakers
Introduction
Molded Case Circuit Breakers
Contents
Description Pa ge
Introduction
Power Defense . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-4
Series G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-147
Series C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-259
Specialty Breakers . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-476
Learn
Online
Drawings
Online
Product Overview
Eaton offers the widest
variety of molded case circuit
breakers available today.
Designed for electrical and
machinery OEMs serving a
range of industries and
applications, these proven
designs incorporate the
latest in innovation with
the high reliability that has
been our hallmark since the
advent of the circuit breaker
in the 1920s.
The Power Defense™
family is Eaton’s premier
MCCB globally rated line,
incorporating Power Xpert
®
Release electronic trip units
with best-in-class safety
and protection features. It
includes ratings from 15
to 2500 amperes, thermal-
magnetic and electronic
breakers, and modular
field-installable accessories.
Power Defense
breakers
meet the requirements
of
UL
®
, CSA
®
, CE and CCC.
The Series G
®
line features an
average 35% size reduction,
common field-installable
internal accessories and
advanced trip unit functionality
that eliminates the need for
rating plugs. These breakers
meet the requirements of
UL, CSA, IEC, CCC and
CE, allowing the OEM to
standardize on a design that
meets the needs of their
global customer base.
The Series C
®
family ranges
from 15 to 2500 amperes and
includes thermal-magnetic
breakers, electronic trip
breakers, molded case
switches, motor circuit
protectors and specially
designed breakers for
engine generator, DC
and mining applications.
Application Description
Eaton molded case circuit
breakers cover the widest
range of applications in the
industry:
●
Electrical OEMs
●
Machinery OEMs
●
Navy breakers:
●
UL 489 Supplement SB
●
MIL-C-17588
●
MIL-C-17361
●
ABS/NVR
●
Mining breakers up to
110 0 Va c
●
Earth leakage
●
DC breakers 125–750 Vdc
●
Engine generator breakers
15–1200 amperes
●
Current-limiting breakers
Volume 4—Circuit Protection CA08100005E—October 2022 www.eaton.com V4-T2-3
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2.1
Molded Case Circuit Breakers
Introduction
Typical Applications
Machine Tool Control Panels
and Motor Control Centers
Designed for these
equipment requirements,
including new world-class
accessories.
Panelboards
As both main and branch
circuit protection devices.
Feeder Pillars
In distribution systems to
provide main and branch
circuit protection.
Switchgear
In distribution systems to
provide main and branch
circuit protection up to
2500 A (RG-Frame).
Busbar Trunking Tap-Offs
In busbar trunking tap-offs to
provide circuit protection.
Individual Enclosures
Completely assembled in
enclosures to meet specific
customer requirements.
Additional Applications
Special versions of each Eaton
frame are available to provide
safe equipment control and
protection in mining and other
applications. Contact your
Eaton agent or distributor for
additional information.
Typical Eaton Applications
Switchboard
Bus Bar Trunking
Tap-Off
Individual Circuit
Breaker Enclosure
Panelboard
Machine Tool
Control Panel