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TECHN I CAL DATA
J MCCB
230
JN & JM FRAME MCCBs TECHNICAL SPECIFICATION
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JN & JM FRAME SPECIFICATION
I
•
Specification
BSEN60947-2
•
Current Range
25 – 200
A
•
Ue Rated Operation Voltage
240
V SP 415V TP
•
Ui Rated Insulation Voltage
660
V AC
•
Rated Frequency
50/60
Hz
•
Release
Thermal Magnetic
•
Thermal Adjustment
0.7 – 1.0
x Rated Current
•
Instantaneous Adjustment
Non-adjustable
•
Short Circuit Breaking Capacity
Icu at 415V = 25KA, Ics = 75%Icu
•
Ambient Range
-20
°C to 55°C
•
Humidity Range
0 – 90%
•
Weight
SP – 0.7Kg TP – 1.8Kg TP & Sw N – 2.4Kg
10
4
10
5
I
2
t
10
6
10
7
10
8
1000
10000
PROSPECTIVE CURRENT
100000
31
100
135
Position of
Terminal Shroud
46 77
35 35
35
105
140
91
83
29
178
154
23.5
135
25
92
POWERSTAR JN FRAME MAXIMUM EARTH LOOP IMPEDANCES Zs (ohms) for U
o
= 240V~
Current Rating (A)
16/20/25 32
40
50
63
80
100
125
160
200
0.4
Sec Disconnection Time 0.500
Ω
0.500
Ω
0.500
Ω
0.500
Ω
0.500
Ω
0.250
Ω
0.250
Ω
0.250
Ω
0.125
Ω
0.125
Ω
5.00
Sec Disconnection Time 0.500
Ω
0.500
Ω
0.500
Ω
0.500
Ω
0.500
Ω
0.250
Ω
0.250
Ω
0.250
Ω
0.125
Ω
0.125
Ω
POWERSTAR JM FRAME MAXIMUM EARTH LOOP IMPEDANCES Zs (ohms) for U
o
= 240V~
Current Rating (A)
50
63
80
100
125
160
200
0.4
Sec Disconnection Time 0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
5.00
Sec Disconnection Time 0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
0.125
Ω
FEATURES
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From J Frame to N Frame Powerstar MCCBs
feature escutcheons of the same height allowing
any of the frame sizes to be grouped together in a
single panel cutout.
Front adjustable thermal tripping elements.
OPTIONS
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•
ST UVR
•
Aux SW
•
Rotary Handle
•
Padlocking
•
Terminal Shrouds
• 4
th Poles when fitted are left hand side
(
See Product Section for selection)
SHORT CIRCUIT BREAKING CAPACITY
I
Ue
Icu
220
V
50
kA
380
V
32
kA
415
V
25
kA
Ics
= 75% Icu
INSTANTANEOUS TRIP BANDS
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J Frame
JM Frame
25 – 63
A = 400A
80 – 125
A = 800A
160 – 200
A = 1600A 50 – 200 = 1600A
TERMINALS
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Front-connected clamps –
25
A to 200A–120mm
2
solid/150mm
2
stranded
AUXILIARY EQUIPMENT OPTIONS
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a) UVR & Auxiliary Switch
b) Shunt Trip & Auxiliary Switches
c) Two Auxiliary Switches each to change over
Shunt Trip Voltage Range
70 – 110%
Under Voltage Release Threshold 70 – 35%
UVR Power Pack
10
VA
(110
V & 415V units also supplied with transformer additional to Powerpack.).
Auxiliary Contact Ratings
Voltage Resist’
Tungsten Load Induct’
Load (A) NC (A)
NO (A) Load (A)
AC
125
10
2
1
10
250
10
1.5
1
10
DC
30
10
3
1.5
10
50
3
0.8
0.8 2.5
125
0.5
0.5
0.5 0.07