Cut Sheet

Volume 4—Circuit Protection CA08100005E—August 2015 www.eaton.com V4-T2-227
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2.3
Molded Case Circuit Breakers
Series C
100% Rated Digitrip OPTIM 550 Circuit Breakers with Interchangeable Rating Plugs, continued
Notes
1
Long delay I
4
t response selection limits short delay time to flat response.
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.
3
Includes conductor extension kit, which increases breaker length 3.75 on each end. Terminal ordered separate.
Maximum
Continuous
Ampere
Rating
at 40 °C
Circuit Breaker Frame Only Digitrip OPTIM Rating Plug Only
L – Adjustable Long Delay Pickup (I
r
) with Adjustable Long Delay Time (I
2
t or I
4
t Response)
1
S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I
2
t or Flat Response)
I – Adjustable Instantaneous Pickup
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time Delay (I
2
t or Flat Response)
A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time Delay (I
2
t or Flat Response)
Ampere
Rating
Fixed
Rating Plug
OPTIM 550
2
LSI LSIG LSIA
Catalog
Number
Catalog
Number
Catalog
Number
Catalog
Number
Three-Pole Ultra High Interrupting Capacity 600 Vac Rated 100 kAIC at 480 Vac
800 CNDC3800T52W CNDC3800T56W CNDC3800T57W 400 ORPN80A400
450 ORPN80A450
500 ORPN80A500
550 ORPN80A550
600 ORPN80A600
700 ORPN80A700
800 ORPN80A800
1200
3
CNDC312T52W CNDC312T56W CNDC312T57W 600 ORPN12A600
700 ORPN12A700
800 ORPN12A800
1000 ORPN12A100
1200 ORPN12A120