98 / 133
10
4
10
5
10
6
10
7
10
8
1000
10000
PROSPECTIVE CURRENT
100000
I
2
t
TECHN I CAL DATA
N MCCB
236
206
4
x 8mm
Fixing Holes
Alternative 'T' type
and front connected
terminals shown
Rear terminals can
be positioned
either vertically or
horizontally
but vertical,
as illustrated,
is recommended to
assist heat dissipation
140.5
85
94.5
354
395
141
92
210
70
10
C
34.5
212.5
61
28.5
0 8.5
8
100
mm min.
to earthed
metal
70
70
14
35.5
A A
63 25
56
B
0 17
A A
63 25
56
B
0 21
Rating A B C
800
A 70mm 45mm 12mm
1000
A 70mm 45mm 15mm
1250
A 82mm 60mm 15mm
1600
A 87mm 65mm 18mm
POWERSTAR N FRAME MAXIMUM EARTH LOOP IMPEDANCES Zs (ohms) for U
o
= 240V~
Current Rating (A)
800
1000
1250
1600
Magnetic Trip Setting
0.4
Seconds Disconnection Time
0.0242
Ω
0.0218
Ω
0.0218
Ω
0.0218
Ω
High
5.00
Seconds Disconnection Time
0.0727
Ω
0.0545
Ω
0.0545
Ω
0.0545
Ω
Low
N Frame MCCB Energy Let Through
N FRAME MCCB s TECHNICAL SPECIFICATION
l
N FRAME SPECIFICATION
I
•
Specification
BSEN60947-2
•
Current Range
800 – 1600
Amps
•
Uie Rated Operation Voltage
415
V
•
Ui Rated Insulation Voltage
660
V AC
•
Rated Frequency
50/60
Hz
•
Icu (415V) Short Circuit Breaking Capacity
50
kA
•
Thermal Adjustment
See Detail Page over
•
Instantaneous Adjustment
See Detail Page over
•
Ambient Range
-20
°C to 55°C
•
Humidity Range
0 – 90%
•
Weight
Rear Terminals 17kg
Front Flat 19kg
N 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
(
See Product Section for selection)
SHORT CIRCUIT BREAKING CAPACITY
I
Ue
Icu
220
V
70
kA
380
V
50
kA
415
V
50
kA
Ics
= 75% Icu
TERMINALS
I
Back connected units supplied with 6 tee
terminals which can be positioned either vertically
or horizontally.
Front connected units supplied with 6 front flat
terminals.
AUXILIARY EQUIPMENT OPTIONS
I
a) UVR & Auxiliary Switch
b) ST & Auxiliary Switch
c) N Frame 3 Auxiliary C/O Switches
Shunt Trip Voltage Range
70 – 110%
UVR Power Pack
10
VA
(110
v & 415V units supplied with Transformer in addition to Powerpack.).
Auxiliary Contact Ratings
Voltage Resist’
Tungsten Load Induct’
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
800
A-1600A Rear
T Type Terminal
800
A-1000A Front
1250
A-1600A Front