90 / 133
10
4
10
5
I
2
t
10
6
10
7
1,000
10,000
PROSPECTIVE CURRENT
100,000
TECHN I CAL DATA
G MCCB
228
PhaseCtrs PhaseCtrs
78.50
33.50
70.50
77.50
83.50
97.00
max
Terminals Suitable for
10
mm Strip or 70mm
2
Cable
Operating Lever Positions
'
I' Breaker Closed
'
O' Breaker Open
'
T' Breaker Tripped by Release
'
R' Reset Positions from Tripped
I
T
O
R
26.25
26.25
Use M4
Fasteners
94.00
Fixing Ctrs
Fixing Ctrs
120.00
30.00
26.25
Interphase Barriers
Use M3
Fasteners
19.50
74.00
Fixing Ctrs
Fixing Ctrs
120.00
26.00
POWERSTAR G FRAME MAXIMUM EARTH LOOP IMPEDANCES Zs (ohms) for Uo = 240V~
Current Rating (A)
16
20
25
32
40
50
63
80
100 125
0.4
Seconds Disconnection Time 0.48
Ω
0.48
Ω
0.48
Ω
0.48
Ω
0.48
Ω
0.48
Ω
0.30
Ω
0.30
Ω
0.24
Ω
0.24
Ω
5.00
Seconds Disconnection Time 1.68
Ω
1.37
Ω
1.06
Ω
0.81
Ω
0.69
Ω
0.51
Ω
0.37
Ω
0.32
Ω
0.27
Ω
0.25
Ω
G FRAME MCCBs TECHNICAL SPECIFICATION
l
G FRAME SPECIFICATION
I
•
Specification
BSEN60947-2
•
Current Range
16 – 125
A
•
Ue Rated Operation Voltage
240
V SP 415V TP
•
Ui Rated Insulation Voltage
500
V AC
•
Rated Frequency
50/60
Hz
•
Release
Thermal Magnetic
•
Adjustment
None
•
Ambient Range
-20
°C to 55°C
•
Humidity Range
0 – 90%
•
Weight
SP - 0.4kg TP - 0.95kg
•
Mechanical Duration
8000
operations
FEATURES
I
The symmetrical vertical and horizontal axis with
a double stepped escutcheon plate, enabling it to
fit through either a 46mm or 80mm cut-out.
A double insulated compartment located behind
the removable escutcheon plate, facilities easy
on-site installation of shunt trip and auxiliary
switch units.
AVAILABLE OPTIONS
I
•
ST (See Product Section for selection)
•
Aux Switches
•
Padlocking
•
Terminal Shrouds
SHORT CIRCUIT BREAKING CAPACITY
I
Type
GB
GN
Ue
Icu
Icu
SP/TP
TP
220
V
30
30
380
V
16
25
415
V
16
25
Ics
= 50% Icu
INSTANTANEOUS TRIP BANDS
I
25 – 50
A
500
A
63 – 80
A
800
A
100 – 125
A
1000
A
TERMINALS
I
Front-connected clamps –
16
A to 125A – 70mm
2
cable
– 10
mm strip
AUXILIARY EQUIPMENT
I
G Frame MCCBs
a) Shunt Trip & Auxiliary Switch
b) Two Auxiliary Switches
(
For Shunt Trip with 2 Auxiliary C/O Switches add suffix A to ST List No.).
Shunt Trip
Max on time 1 cycle:
10
seconds
Max on time con. cycle: 6 seconds
24
V dc
30
W Closed Power
115
V ac
43
VA Consumption
230
V ac
43
VA 10% Duty Cycle
Auxiliary Contact Ratings (A)
Voltage Resistive Tungsten Load Inductive
Load (A) NC (A)
NO (A) Load (A)
AC
125
3
0.5
0.5
3
250
3
0.5
0.5
3
DC
30
3
3
0.5
3
50
1
0.7
0.7
1
125
0.5
0.4
0.4
0.05
}