GE Industrial Solutions Spectra RMS Molded Case - Manual (Page 2)

GEH-702 Users Manual
Spectra ® RMS Circuit Breakers with microEntelliGuard TM Trip Unit
The microEntelliGuard TM Trip Unit is the latest and most advanced trip unit available in the Spectra line of
molded case circuit breakers. The trip unit design is based on the EntelliGuard trip unit platform. The
microEntelliGuard
TM Trip Unit incorporates many of the advanced features and protective functions available
on the EntelliGuard Trip Unit and is available in the 600-amp Spectra G and 1200-amp Spectra K frames.
Spectra breakers with microEntelliGuard TM Trip Units allow you to select the enhanced system protection,
coordination, and communication options required for the application.
Standard Protection Advanced Protection Advanced Features
Long Time Neutral Protection Metering (Basic/Advanced)
Short Time Zone Selective Interlock (ST/GF/INST) Communications (Modbus)
Instantaneous Reduced Energy Let-through Waveform Capture
Ground Fault (trip or alarm)
Table 1. Catalog Number Nomenclature
SK PC 36 12 L4 R 6
Code Description Function
SK SK1200 Frame Designation
HC
LC/TC
1
PC/SC 1
HH
LL/TT
1
PP/SS 1
35kA at 480Vac
65kA at 480Vac
Standard UL Rating
100kA at 480 Vac
35kA at 480Vac
65kA at 480Vac
100% Continuous UL Rating
100kA at 480 Vac
Interruption Rating
3, 4 or 6 3 Poles, 480Vac or 600Vac Poles, Max UL Voltage
08 800 Amps
10 1000 Amps SK Frame
12 1200 Amps
L3 LSI L = Long Time
S = Short Time
L4 LSIG
I = Instantaneous
L5 LSIA
G = Ground Fault
A = Ground Fault Alarm
L7 LSI-CP
CP = Control Power
X None
K Neutral Protection
Z ZSI (ST/GF)
T ZSI (ST/GF/INST)
R RELT
L ZSI (ST/GF) + RELT
M ZSI (ST/GF) + Neutral Protection
N ZSI (ST/GF) + RELT + Neutral Protection
V RELT + Neutral Protection
P ZSI (ST/GF/INST) + RELT
S ZSI (ST/GF/INST) + Neutral Protection
W ZSI (ST/GF/INST) + RELT + Neutral Protection
X Metering (Basic)
2 Metering (Basic) + Modbus
6 Metering (Adv) + Modbus + Waveform Capture
8 Metering (Adv) + Modbus + Waveform Capture + Protective Relays
1. SKT and SKS catalog codes are optimized for selectivity and will carry a
480Vac maximum voltage rating.
Max Amps
Standard Protection
Functions
Advanced Protection
Functions
Advanced Features &
Communication