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Technical
Section 11
Dimensions
Section 12
Wall mounted switchgear
Fuse switch disconnector
Switch disconnector
MGF Fusegear
Application
Heavy duty fuse products for use in commercial and industrial environments,
providing isolation and traditional fuse protection for electrical loads.
Features
n
Rated for 240/415V 50/60Hz
n
Ratings 100A, 160A, 200A, 250A, 315A, 400A, 500A, 630A TP&N
n
Utilisation category AC20A, AC21A, AC22A, AC23B at rated current, AC23A for
ratings up to 160A
n
Handle position provides positive contact indication
n
Door handle prevents door being opened when switch is ON or padlocked
n
Handle padlockable in ON and OFF positions
n
Device may be fed to either top or bottom terminals
n
Fuse links or copper links supplied as standard
Construction
n
All terminals are fully shrouded
n
Quick make and break silver plated contacts
n
Door interlock has defeat mechanism allowing switch to be closed with door open
n
Removable plain gland plates are fitted at top and bottom
n
Cabling space may be increased by the addition of the cable boxes
n
Lift off door provides greater access for installation and cabling
n
Door opens within the width of the unit allowing units to be mounted adjacent
n
Neutral is fitted with disconnectable link
n
Earthing kit provided as standard
n
Easy access to fuse links
n
Removable cross rails allow cables to be laid in easily
n
Direct front access to terminals without dismantling the mechanism
n
Clear shrouds allow easy access for inspection and visual indication of contact
position
n
Steelwork finished in polyester epoxy powder, cream colour RAL9001
Technical data
Standard
BS EN 60947-3
Rated operational voltage
415V 50/60Hz
Rating
100A 160A 200A 250A 315A 400A 500A 630A
Rated current at 40
0
C, A
100
160
200
250
315
400
500
630
Rated impulse voltage
8kV 8kV 8kV 8kV 8kV 8kV 8kV 8kV
Rated short time withstand Icw, A
3.4kA 3.4kA 5.23kA 5.23kA 12kA 12kA 12kA 12kA
Rated short circuit making capacity Icm
5kA 5kA 8kA 8kA 24kA 24kA 24kA 24kA
Rated short circuit breaking capacity Icn
50kA 50kA 50kA 50kA 50kA 50kA 50kA 50kA
Utilisation category at rated current
AC-23A AC-23A AC-23B AC-23B AC-23B AC-23B AC-23B AC-23B
Kilowatt rating
55kW 90kW 110kW 130kW 175kW 220kW 250kW 300kW
Terminal stud
M8
M8
M10 M10 M12 M12 M12 M12
Terminal lug, maximum palm width
20mm 20mm 30mm 30mm 50mm 50mm 50mm 50mm
Maximum cable size
50mm
2
50mm
2
120mm
2
120mm
2
400mm
2
400mm
2
400mm
2
400mm
2
References
Rating (A)
Fuse switch disconnector
Part number
Switch disconnector
Part number
Cable box
Part number
Three pole and neutral
100
MGFS1003C
MGFD1003C
MGFX100C
160
MGFS1603C
MGFD1603C
MGFX160C
200
MGFS2003C
MGFX250C
250
MGFS2503C
MGFD2503C
MGFX250C
315
MGFS3153C
MGFX500C
400
MGFS4003C
MGFD4003C
MGFX500C
500
MGFS5003C
MGFD5003C
MGFX500C
630
MGFS6303C
MGFD6303C
MGFX630C
Fuse link data
Rating (A)
BS88 reference
Bussman reference
Cu links (Set of 3)
100
B1
CD100
MGFQ100
160
B2
DD160
MGFQ160
200
B2
DD200
MGFQ250
250
B3
ED250
MGFQ250
315
C1
EFS315
MGFQ400
400
C1
EF400
MGFQ400
500
C2
FF500
MGFQ630
630
C2
FF630
MGFQ630