Menu

Eaton
LDC3600
Thermal-Magnetic Circuit Breaker
with Interchangeable Trip Units


Eaton LDC3600 Thermal-Magnetic Circuit Breaker with Interchangeable Trip Units Series-C
Frame Size - L
Part Index
CLICK HERE

Type HLD (3-Pole) Shown

LDC3600 Thermal-Magnetic Circuit Breakers with Interchangeable Trip Units

Number
of Poles
Amperes Interrupting
Capacity
Type
of Trip
Terminals
3 600 Ultra-High
600 Vac Rated
100 kAIC at 480 Vac
Interchangeable
Adjustable
Thermal-Magnetic
Standard

Quick Reference Guide

UL 489 Interrupting Capacity Ratings(1)
Circuit
Breaker
Type
Number
of Poles
Interrupting Capacity (kA rms Symmetrical Amperes)
Volts AC (50/60 Hz) Volts DC
240 277 480 600 125 250(2)(3)
LDB 2, 3 65 35 25 22
LD 2, 3, 4 65 35 25 22
CLD(4) 2, 3, 4 65 35 25
HLD, HLDB 2, 3, 4 100  65 35 25
CHLD(4) 2, 3, 4 100 65 35
LDC, LDCB(5) 2, 3, 4 200 100 50 30
CLDC(4)(5) 2, 3, 4 200 100 50
IEC 947-2 Interrupting Capacity Ratings(1)
Circuit
Breaker
Type
Number
of Poles
Interrupting Capacity (kA Symmetrical Amperes)
Volts AC (50/60 Hz) Volts DC
240 415 690 250(2)(3)
ICU ICS ICU ICS ICU ICS ICU ICS
LDB 2, 3 85 85 45 45 20 10 20 10
LD 2, 3, 4 85 85 45 45 20 10 20 10
CLD(4) 2, 3, 4 85 85 45 45 20 10
HLD, HLDB 2, 3, 4 100 100 70 70 25 13 20 10
CHLD(4) 2, 3, 4 100 100 70 70 25 13
LDC, LDCB 2, 3, 4 200 100 100 75 35 18 20 10
CLDC(4) 2, 3, 4 200 100 100 75 35 18

NOTES:
(1) Utilization Category A circuit breakers.
(2) L/R = 8 milliseconds minimum.
(3) Two-pole circuit breaker or two poles of three-pole circuit breaker. Incorporating thermal-magnetic trip unit only.
(4) 100% rated breakers.
(5) Current limiting.

Specifications

Trip Unit
Type
Digitrip
RMS 310
Digitrip
OPTIM 550
Digitrip
OPTIM 1050
rms sensing Yes Yes Yes Yes
Breaker Type
Frame L L L L
Ampere range 300–600A 300–600A 200–600A 200–600A
Interrupting
rating at
480 volts
35, 65, 100 (kA) 35, 65, 100 (kA) 35, 65, 100 (kA) 35, 65, 100 (kA)
Protection
Ordering options LS, LSG LSI, LSIG LSI, LSI(A), LSIG LSI(A), LSIG
Fixed rated
plug (In)
Yes Yes Yes Yes
Overtemperature
trip 
Yes Yes Yes Yes
Long Delay Protection (L)
Adjustable
rating plug (In)
Yes Yes  No No
Long delay
pickup
0.5–1.0 (In)(1) 0.5–1.0 (In)(1) 0.4–1.0 x (In) 0.4–1.0 x (In)
Long delay
time I2t
12 seconds 12 seconds 2–24 seconds 2–24 seconds
Long delay
time I4t
No No  1–5 seconds 1–5 seconds
Long delay
thermal memory
Yes Yes Yes Yes
High load
alarm
No No 0.5–1.0 x Ir 0.5–1.0 x Ir
Short Delay Protection (S)
Short delay
pickup
200–800% x (In) 200–800% x (In) 150–800% x (Ir) 150–800% x (Ir)
Short delay
time I2t
100 ms No 100–500 ms 100–500 ms
Short delay
time flat
No Inst–300 ms 100–500 ms 100–500 ms
Short delay time
zone selective interlocking
No No Yes(4) Yes
Instantaneous Protection (I
Instantaneous
pickup
No 200–800% x (In) 200–800% x (In) 200–800% x (In)
Discriminator No No Yes Yes
Instantaneous
override
Yes Yes Yes Yes
Ground Fault Protection (G)
Ground fault
alarm
No No 20–100% x (Is) 20–100% x (Is)
Ground fault
pickup
1–5 x Ig (120A) 1–5 x Ig (120A) 20–100% x (Is) 20–100% x (Is)
Ground fault delay I2t No No  100–500 ms 100–500 ms
Ground fault
delay flat 
Inst–500 ms Inst–500 ms  100–500 ms 100–500 ms
Ground fault
zone selective
interlocking
No No Yes 4 Yes
Ground fault
thermal memory
Yes Yes Yes Yes
System Diagnostics
Status LEDs  Yes Yes Yes Yes
Cause of
trip LEDs 
No  No Yes Yes
Magnitude
of trip information  
No No Yes Yes
Remote signal
contact
ground alarm
Yes(5) Yes(5) Yes(4) Yes
Local auxiliary
and bell alarm
contact 
Optional Optional Optional Included
System Monitoring
Digital display No  No Yes(1) Yes(1)
Current   No No Yes Yes
Power
and energy   
No No No Yes
Power quality
harmonics   
No No No Yes
Power factor    No No No Yes
Communications
PowerNet No No Yes(2) Yes
Testing
Testing method    Test set Test set OPTIMizer, BIM, PowerNet OPTIMizer, BIM, PowerNet

Legend
BIM = Breaker Interface Module
(A) = GF Alarm
Is = Sensor Rating
In = Rating Plug
Ir = Long Delay Pickup Setting

Notes:
(1) By OPTIMizer/BIM.
(2 Eaton’s PowerNet kit.

LDC3600 Dimensions

Eaton LDC3600 Dimensions
Number of Poles Width Height Depth
2, 3 8.25 (209.6) 10.75 (273.1) 4.06 (103.1)
4 11.00 (279.4) 10.75 (273.1) 4.06 (103.1)



Let our expert sales staff guide you through finding the right products to fit your needs. CALL 866-595-9616.