Cutler Hammer, Div of Eaton Corp Series C Catalog

Molded Case Circuit Breakers

Typical L-Frame Circuit Breaker

Series C

2.3

L-Frame (125–600 Amperes)

Product Description

●

All Eaton L-Frame circuit
breakers are HACR rated

●

L-Frame circuit breakers are
available as individual
components (frame, trip
unit, terminals), or factory
assembled complete
breakers

●

L-Frame circuit breakers
with non-interchangeable
trip units are suitable for
reverse feed use

Standards and Certifications

●

CE marked

Contents

Description Page

Product Overview. . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-123

Standards and Certifications. . . . . . . . . . . . . . . . . . V4-T2-124

Quick Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-125

G-Frame (15–100 Amperes) . . . . . . . . . . . . . . . . . . V4-T2-129

F-Frame (10–225 Amperes). . . . . . . . . . . . . . . . . . . V4-T2-143

J-Frame (70–250 Amperes) . . . . . . . . . . . . . . . . . . V4-T2-160

K-Frame (70–400 Amperes) . . . . . . . . . . . . . . . . . . V4-T2-168

L-Frame (125–600 Amperes)

Catalog Number Selection . . . . . . . . . . . . . . . . V4-T2-196

Product Selection . . . . . . . . . . . . . . . . . . . . . . . V4-T2-197

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-215

Technical Data and Specifications . . . . . . . . . . . V4-T2-217

Dimensions and Weights . . . . . . . . . . . . . . . . . V4-T2-220

M-Frame (300–800 Amperes) . . . . . . . . . . . . . . . . V4-T2-221

N-Frame (400–1200 Amperes) . . . . . . . . . . . . . . . . V4-T2-232

R-Frame (800–2500 Amperes) . . . . . . . . . . . . . . . . V4-T2-260

Motor Circuit Protectors (MCP) . . . . . . . . . . . . . . . V4-T2-284

Motor Protection Circuit Breakers (MPCB). . . . . . . V4-T2-295

Type ELC Current Limiter Attachment (Size 0–4)
Current Limiting Circuit Breaker Module

Internal Accessories . . . . . . . . . . . . . . . . . . . . . . . . V4-T2-302

External Accessories . . . . . . . . . . . . . . . . . . . . . . . V4-T2-333

. . . . V4-T2-297

. . . . . . . . . . V4-T2-298

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com V4-T2-195

Molded Case Circuit Breakers

LD 3 600 F

Circuit Breaker/

Frame Type

LDB
LD
HLD
LDC
CLD
CHLD
CLDC

Number
of Poles

2 = 2 poles
3 = 3 poles
4 = 4 poles

Circuit Breaker/

Frame Ampere

Rating

300
350
400
450
500
600

Suffix

C = Copper terminals
F = Frame only
K = High magnetic molded case switch
V = 50°C (thermal-magnetic trip units only)
W = Without terminals
X = Load side terminals only
Y = Line side terminals only

Number
of Poles

2 = 2 poles
3 = 3 poles
4 = 4 poles

Trip Unit Rating/Plug

Ampere Rating

300
350
400
450
500
600

Trip Unit Type

LT = Thermal Magnetic

Suffix

T = Trip unit thermal-magnetic fixed thermal

adjustable magnetic

V = 50°C calibration (thermal-magnetic trip units only)

LT 3 400 T

Circuit Breaker/

Frame Type

LD
HLD
LDC
CLD
CHLD
CLDC

Trip Type

2 = LSI (550 only)
6 = LSIG
7 = LSIA

Suffix

W = Without terminals

Circuit Breaker/

Frame Ampere Rating

125 (Available on Model 1050 only)
250 (Available on Model 1050 only)
400
600

Number
of Poles

3 = 3 poles

Trip Model

T5 = Model 550
T10 = Model 1050

LD 3 125 T5 7 W

Trip Unit Type

LES = Electronic

Number
of Poles

3 = 3 poles
4 = 4 poles

Suffix

P = 100% protected neutral on

four-pole trip unit

Suffix

LS
LSI
LSG
LSIG

Trip Unit

Ampere

Rating

600

LES 3 600 LS P

2.3

Catalog Number Selection

2

This information is presented only as an aid to understanding catalog numbers. It is not to be used to build catalog numbers for circuit
breakers or trip units.

2

Circuit Breaker/Frame

2

2

2

2

2

2

2

Thermal-Magnetic Trip Unit

2

2

Series C

2

2

2

2

2

OPTIM Circuit Breaker/Frame

2

2

2

2

2

2

2

Digitrip RMS 310 Trip Unit

2

2

2

2

2

2

2

V4-T2-196 Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com

Molded Case Circuit Breakers

Series C

2.3

Product Selection

Types LD, HLD and LDC Thermal-Magnetic Circuit Breakers with Interchangeable Trip Units

Standard Interrupting
Capacity
600 Vac Rated
35 kAIC at 480 Vac

Factory Assembled

Maximum
Continuous
Ampere
Rating

1

at 40°C

Tw o - P o l e

300 LD2300 HLD2300 LDC2300 LT2300T TA602LD

350 LD2350 HLD2350 LDC2350 LT2350T TA602LD

400 LD2400 HLD2400 LDC2400 LT2400T TA602LD

450 LD2450 HLD2450 LDC2450 LT2450T TA602LD

500 LD2500 HLD2500 LDC2500 LT2500T TA602LD

600 LD2600 HLD2600 LDC2600 LT2600T 2TA603LDK

Three-Pole

300 LD3300 HLD3300 LDC3300 LT3300T TA602LD

350 LD3350 HLD3350 LDC3350 LT3350T TA602LD

400 LD3400 HLD3400 LDC3400 LT3400T TA602LD

450 LD3450 HLD3450 LDC3450 LT3450T TA602LD

500 LD3500 HLD3500 LDC3500 LT3500T TA602LD

600 LD3600 HLD3600 LDC3600 LT3600T 3TA603LDK

Four-Pole

300 LD4300 HLD4300 LDC4300 LT4300T TA602LD

350 LD4350 HLD4350 LDC4350 LT4350T TA602LD

400 LD4400 HLD4400 LDC4400 LT4400T TA602LD

450 LD4450 HLD4450 LDC4450 LT4450T TA602LD

500 LD4500 HLD4500 LDC4500 LT4500T TA602LD

600 LD4600 HLD4600 LDC4600 LT4600T 4TA603LDK

4

Circuit Consisting of
Frame, Trip Unit and
Ter mi na ls

Catalog
Number

High Interrupting
Capacity
600 Vac Rated
65 kAIC at 480 Vac

Factory Assembled
Circuit Consisting of Frame,
Trip Unit and Terminals

Catalog
Number

Ultra High Interrupting
Capacity Current Limiting
600 Vac Rated
100 kAIC at 480 Vac

Factory Assembled Circuit
Consisting of Frame,
Trip Unit and Terminals

Catalog
Number

Thermal-Magnetic
Trip Unit Only

For Use with Standard
or High or Ultra High
Interrupting Frames

Catalog
Number

Standard Terminals Only

See Page V4-T2-214 for
Optional Terminals

Catalog
Number

2

2

2

2

2

2

2

2

2

2

2

2

3

2

2

2

2

2

2

2

2

2

3

2

2

2

2

2

2

2

2

2

3

2

2

2

2

Types LD, HLD and LDC Thermal-Magnetic Circuit Breakers—Frame Only

Standard Interrupting
Capacity 600 Vac Rated
35 kAIC at 480 Vac

Catalog
Number

Tw o - P o l e

LD2600F HLD2600F LDC2600F

Three-Pole

LD3600F HLD3600F LDC3600F

Four-Pole

LD4600F HLD4600F LDC4600F

Notes

1

Magnetic trip range 5–10 times continuous ampere rating.

2

Individually packed.

3

Terminal kits contain one terminal for each pole and one terminal cover.

4

Neutral is in right pole.

High Interrupting Capacity
600 Vac Rated
65 kAIC at 480 Vac

Catalog
Number

Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com V4-T2-197

Ultra High Interrupting
Capacity Current Limiting
600 Vac Rated
100 kAIC at 480 Vac

Catalog
Number

2

2

2

2

2

2

2

2

2

2

2

Molded Case Circuit Breakers

2.3

Types LD, HLD and LDC Electronic Circuit Breakers with Interchangeable Trip Units

2

Order as individual components: breaker frame, trip unit, rating plug, terminals.

2

Types LD, HLD and LDC Electronic Circuit Breakers with Interchangeable Trip Units

2

2

2

Maximum
Continuous

2

Ampere
Rating
at 40°C

2

Three-Pole

600 LD3600F HLD3600F LDC3600F LES3600LS LES3600LSI LES3600LSG LES3600LSIG 300 6LES300T 300/400/

2

2

2

2

Four-Pole

2

600 LD4600F HLD4600F LDC4600F LES4600LS LES4600LSI — — 300 6LES300T 300/400/

2

2

2

2

Notes

1

2

2

3

2

4

2

Circuit Breaker Frame Only Digitrip RMS 310 Trip Unit Only

Standard
Interrupting
Capacity
600 Vac
Rated
35 kAIC at
480 Vac

1

Catalog Number Catalog Number Catalog Number

3

3

Individually packed.
For AC use only.
Neutral is in right pole.
Terminal kits contain one terminal for each pole and one terminal cover.

Series C

High
Interrupting
Capacity
600 Vac
Rated
65 kAIC at
480 Vac

Ultra High
Interrupting
Capacity
Current
Limiting
600 Vac Rated
100 kAIC at
480 Vac

2

L – Adjustable Long Delay Pickup (By Adjustable Rating Plug)
S – Adjustable Short Delay Pickup with Fixed Short

Delay Time (I
(Flat Response)

I – Adjustable Instantaneous Pickup by Setting Short Delay

Time to Instantaneous

G – Adjustable Ground Fault Pickup with Adjustable Ground

Fault Delay (Flat Response)

2

t Response) or Adjustable Short Delay Time

Digitrip RMS 310 Rating Plug Only

Fixed
Rating

Ampere
Rating

350 6LES350T TA602LD

400 6LES400T 420/440/

450 6LES450T TA602LD

500 6LES500T 520/540/

600 6LES600T

350 6LES350T TA602LD

400 6LES400T 420/440/

450 6LES450T TA602LD

500 6LES500T 520/540/

600 6LES600T

Plug

Adjustable
Rating Plug

Ampere
Rating

500/600

A6LES600T1

460/480

A6LES400T5

560/580

A6LES500T5

500/600

A6LES600T1

460/480

A6LES400T5

560/580

A6LES500T5

Standard
Terminals
Only

See Page
V4-T2-214
for Optional
Terminals

1

TA602LD

1

1

TA602LD

1

3TA603LDK

2

TA602LD

2

2

TA602LD

2

4TA603LDK

4

4

2

2

2

2

2

2

2

2

2

2

2

V4-T2-198 Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com

Molded Case Circuit Breakers

Series C

2.3

Types LDB, HLDB and LDCB Electronic Circuit Breakers with Non-Interchangeable Electronic Trip Units Suitable for
Reverse Feed

Circuit Breaker Frame Including Digitrip RMS 310 Electronic Tip Unit Less
Terminals and Rating Plug—Catalog Number

L – Adjustable Long Delay Pickup (By Adjustable Rating Plug)
S – Adjustable Short Delay Pickup with Fixed Short Delay Time

2

(I

Maximum
Continuous
Ampere Rating
at 40ºC

Short Time Range
Short Time Delay
Ground Fault Pickup
Ground Fault Delay

Type LDB, HLDB and LDCB with Digitrip 310 Non-Interchangeable Trip Unit

600 3 LDB3600FT33W LDB3600FT32W LDB3600FT35W LDB3600FT35W 6LES300T 300/400/500/600

600 3 HLDB3600FT33W HLDB3600FT32W HLDB3600FT35W HLDB3600FT36W 6LES300T 300/400/500/600

600 3 LDCB3600FT33W LDCB3600FT32W LDCB3600FT35W LDCB3600FT36W 6LES300T 300/400/500/600

Number
of Poles

t Response) or Adjustable Short Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Time Delay Time to Instantaneous
G –Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)

LS LSI LSG LSIG Fixed Adjustable

2–8 x I
—
—
—

n

2–8 x I
I–300 ms
—
—

n

2–8 x I

n

—
Varies by frame
0–500 ms

2–8 x I

n

0–300 ms
Varies by frame
0–500 ms Catalog Number

Digitrip RMS 310 Rating Plug
(Order as Separate Items)

6LES350T

6LES400T 420/440/460/480

6LES450T

6LES500T 520/540/560/580

6LES600T

6LES350T

6LES400T 420/440/460/480

6LES450T

6LES500T 520/540/560/580

6LES600T

6LES350T

6LES400T 420/440/460/480

6LES450T

6LES500T 520/540/560/580

6LES600T

A6LES600T1

A6LES400T5

A6LES500T5

A6LES600T1

A6LES400T5

A6LES500T5

A6LES600T1

A6LES400T5

A6LES500T5

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com V4-T2-199

Molded Case Circuit Breakers

2.3

100% Rated Types CLD, CHLD and CLDC Electronic Circuit Breakers with Interchangeable Trip Units

2

The NEC allows the breaker to be rated at 100% of its frame size in an assembly, provided that 90°C wire is applied at the 75°C
ampacity. All 100% rated circuit breakers have electronic trip units. Order as individual components: breaker frame, trip unit, rating

2

plug and terminals.

2

100% Rated Types CLD, CHLD and CLDC Electronic Circuit Breakers with Interchangeable Trip Units

2

2

2

2

Maximum
Continuous
Ampere

2

Rating
at 40°C

2

Three-Pole

600 CLD3600F CHLD3600F CLDC3600F LES3600LS LES3600LSI LES3600LSG LES3600LSIG 300 6LES300T 300/400/500/600

2

2

2

2

Notes

1

2

Ampere rating is established by rating plug.

2

Individually packed.

3

3TA603LDK terminal kit contains one terminal for each pole and one terminal cover.

2

Circuit Breaker Frame Only Digitrip RMS 310 Trip Unit Only Digitrip RMS 310 Rating Plug Only

Standard
Interrupting
Capacity
600 Vac
Rated
35 kAIC at
480 Vac

1

Catalog Number Catalog Number

Series C

High
Interrupting
Capacity
600 Vac
Rated
65 kAIC at
480 Vac

Ultra High
Interrupting
Capacity
Current
Limiting
600 Vac
Rated
100 kAIC at
480 Vac

Standard Options

Independently
Adjustable

Short Time
Adjustable
Short Time
Pickup with

2

t Short

I
Delay Ramp

Pickup and

Delay

Ground

Fault

Protection

Adjustable
Short Time
Pickup with

2

t Short

I
Delay and
Ground
Fault
Protection

Independently
Adjustable
Short Time
Pickup and
Delay and
Ground
Fault
Protection

Adjustable
Rating Plug

Fixed
Rating
Plug

Ampere
Rating

350 6LES350T TA602LD

400 6LES400T 420/440/460/480

450 6LES450T TA602LD

500 6LES500T 520/540/560/580

600 6LES600T 3TA603LDK

Ampere
Rating

A6LES600T1

A6LES400T5

A6LES500T5

Standard
Terminals
Only

See Page
V4-T2-214
for Optional
Terminals

TA602LD

TA602LD

3TA603LDK

2

2

2

2

3

3

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

V4-T2-200 Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com

Molded Case Circuit Breakers

Series C

2.3

Type LDB Thermal-Magnetic Circuit Breakers with Non­Interchangeable Trip Units

600 Vac Rated, 250 Vdc
Complete Circuit Breaker

Maximum
Continuous
Ampere
Rating

Tw o - P o l e

300 LDB2300W LDB2300

350 LDB2350W LDB2350

400 LDB2400W LDB2400

450 LDB2450W LDB2450

500 LDB2500W LDB2500

600 LDB2600W LDB2600

Three-Pole

300 LDB3300W LDB3300

350 LDB3350W LDB3350

400 LDB3400W LDB3400

450 LDB3450W LDB3450

500 LDB3500W LDB3500

600 LDB3600W LDB3600

Without Line and
Load Terminals

Catalog
Number

1

With Standard Line and
Load Terminals Only

Catalog
Number

Molded Case Switches

Eaton’s molded case
switches are used as
compact switches in
applications requiring high
current switching capabilities.
Molded case switches are
constructed of circuit breaker

Molded Case Switches

600 Vac Maximum, 250 Vdc

Maximum
Continuous
Ampere
Rating
at 40°C

Tw o - P o l e

600 LD2600WK 2TA603LDK

600 LDB2600WK

600 HLD2600WK 2TA603LDK

Three-Pole

600 LD3600WK 3TA603LDK

600 LDB3600WK

600 HLD3600WK 3TA603LDK

Four-Pole

600 LD4600WK 4TA603LDK

600 LDB4600WK

600 HLD4600WK 4TA603LDK

Notes

1

Factory sealed—suitable for reverse feed application.

Molded case switch will trip above 6000 amperes.

Circuit Breaker Only
without Line and Load
Ter mi na ls

Catalog
Number

components and are of the
high instantaneous automatic
type. Molded case switches
are listed in accordance with
Underwriters Laboratories
Standard UL 489.

Standard Terminals Only

See Page V4-T2-214 for
Optional Terminals

Catalog
Number

1

1

1

2TA603LDK

3TA603LDK

4TA603LDK

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com V4-T2-201

Molded Case Circuit Breakers

2.3

Digitrip OPTIM Electronic Circuit Breaker with Interchangeable Rating Plug

2

Order as individual components: Breaker Frame (which includes Trip Unit), Rating Plug, Terminals.

2

Digitrip OPTIM 550 Electronic Circuit Breaker with Interchangeable Rating Plug

2

2

2

Maximum
Continuous

2

Ampere
Rating
at 40°C

2

Three-Pole Standard Interrupting Capacity 600 Vac Rated 35 kAIC at 480 Vac

2

125 LD3125T52W LD3125T56W LD3125T57W — ORPL125A070

2

2

2

250 LD3250T52W LD3250T56W LD3250T57W — ORPL025A125

2

2

2

400 LD3400T52W LD3400T56W LD3400T57W 200 ORPL40A200

2

2

2

2

600 LD3600T52W LD3600T56W LD3600T57W 300 ORPL60A300

2

2

2

Notes

1

Long delay I4t response selection limits short delay time to flat response.

2

2

Zone interlocking, PowerNet, or both features can be added at the factory by adding suffixes ZG, PN or ZGP respectively to above catalog number.

Series C

Circuit Breaker Frame Only Digitrip OPTIM Rating Plug Only
L – Adjustable Long Delay Pickup (I

S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I2t or Flat Response)
I – Adjustable Instantaneous Pickup
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time (I
A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time (I

OPTIM 550
LSI LSIG LSIA
Catalog

Number

2

) with Adjustable Long Delay Time (I2t or I4t Response)

r

2

t or Flat Response)

2

t or Flat Response)

Catalog
Number

Catalog
Number

1

Ampere
Rating

— ORPL125A090

— ORPL125A100

— ORPL125A110

— ORPL125A125

— ORPL025A150

— ORPL025A175

— ORPL025A200

— ORPL025A225

— ORPL025A250

225 ORPL40A225

250 ORPL40A250

300 ORPL40A300

350 ORPL40A350

400 ORPL40A400

350 ORPL60A350

400 ORPL60A400

500 ORPL60A500

600 ORPL60A600

Fixed Rating Plug
Catalog

Number

2

2

2

2

2

2

2

2

V4-T2-202 Volume 4—Circuit Protection CA08100005E—June 2012 www.eaton.com