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TECHN I CAL DATA
L MCCB
234
100
10
4
10
5
10
6
10
7
10
8
10
3
1000
10000
PROSPECTIVE CURRENT
100000
I
2
t
54.5
24.5
58.9
17.5
206
70 70
40
70
208
53 102
Terminal Extensions
250 - 400
A, A = 30
500 - 800
A, A = 50
MCCB supplied with
2
interphase barriers
40
257.2
232
14.3
29.7
232
100
85 92
278
A
8
POWERSTAR LS & LH FRAME MAXIMUM EARTH LOOP IMPEDANCES Zs (ohms) for
U
o
= 240V~
Current Rating (A)
250
315
400
500
630
800
Magnetic Trip Setting
0.4
Seconds Disconnection Time
0.0872
Ω
0.0692
Ω
0.0545
Ω
0.0436
Ω
0.0346
Ω
0.0272
Ω
High
5.00
Seconds Disconnection Time
0.1745
Ω
0.1385
Ω
0.1363
Ω
0.1090
Ω
0.0865
Ω
0.0681
Ω
Low
LS & LH FRAME MCCB s TECHNICAL SPECIFICATION
l
L FRAME SPECIFICATION
I
•
Specification
BSEN60947-2
•
Current Range
250 – 800
Amps
•
Ue Rated Operation Voltage
415
V
•
Ui Rated Insulation Voltage
660
V AC
•
Rated Frequency
50/60
Hz
•
Icu (415V) Short Circuit Breaking Capacity LS-32kA, LH-50kA
•
Release
Thermal Magnetic
•
Thermal Adjustment
70 – 100%
Rated Current
•
Instantaneous Adjustment
Adjustable – see below
•
Ambient Range
-20
°C to 55°C
•
Humidity Range
0 – 90%
•
Weight
TP – 9.2Kg TP & Sw N – 11.6Kg
L FRAME FEATURES
I
From J Frame to N Frame Powerstar MCCB’s
feature escutcheons of the same height to
simplify switchboard installations.
Front adjustable thermal and instantaneous
tripping elements
AVAILABLE OPTIONS
I
•
ST UVR
•
Aux SW
•
Key Interlock Direct Mounting
•
Rotary Handle
•
Padlocking
•
Dolly Extension
• 4
th Poles when fitted are left hand side
(
See Product Section for selection)
SHORT CIRCUIT BREAKING CAPACITY
I
Ue
Icu
220
V
40
kA
380
V
32
kA
415
V
32
kA
Ics
= 50% Icu
with correct line ‘load’ connection
MAGNETIC TRIP BANDS
I
Magnetic – (250 – 315A) Adjustable 5 – 10x In
– (400 – 800
A) Adjustable 4 – 10x In
TERMINALS
I
Cranked front connection terminals c/w M12
connection bolts for direct coupling of cable
sockets. Supplied with 2 interphase barriers.
AUXILIARY EQUIPMENT OPTIONS
I
L Frame MCCBs
a) UVR & Auxiliary Switch
b) Shunt Trip & Auxiliary Switches
c) Two Auxiliary Switches
Note: All Shunt Trips supplied with coil disconnection Auxiliary Switch.
Shunt Trip Voltage Range
70 – 110%
UVR Power Pack10VA
(110
V & 415V units supplied with Transformer in addition to Powerpack.).
Auxiliary Contacts
Volts Resistive Tungsten Load Inductive
Load (A) NC (A) NO (A) Load (A)
AC
125 15
1.5 1.0
5
250 15
0.7 0.5
5
DC
30 2
3
1.5
1
50 0.7
0.7 0.7
0.5
125 0.5
0.4 0.4
0.03