Selection and Product Pricing
■On load fuse switch to IEC 947-3
■3 and 4 pole versions
■20A to 630A
■Door interlocked handles – defeatable
■3 padlock positions
■DIN rail and chassis mount versions
■Shaft length 100 - 500mm
■Full range of accessories
Fuse Switches 79 Series
CF Series SF Series
3 Pole
CF793020 CF793032 SF793032 SF793063 SF793100 SF793160 SF793200 SF793250 SF793315 SF793400 SF793630 SF793800
4 Pole
CF793N20 CF793N32 SF794032 SF794063 SF794100 SF794160 SF794200 SF794250 SF794315 SF794400 SF794630 SF794800
Rating
AC21 - 400V Amps 20 32 32 63 100 160 200 250 315 400 630 800
AC22 - 400V Amps 20 32 32 63 100 160 200 250 315 400 630 800
AC23 - 400V Amps 20 32 32 63 100 160 200 250 315 400 630 800
Frame Size CF79 1 2 3 4 5 5 6678
BS88 Fuse size A1 A2-A3 A4 B1-B2 B1-B3 B1-B4 C1-C2
Handles
Black – Rotary Door Interlock 79H0010 – – –
Red/Yellow – Rotary Door
Interlock 79H0011 – – –
Black – Pistol Door Interlock 79H0005 79H0005 79H0008 79H0012
Red/Yellow – Pistol Door
Interlock 79H0006 79H0006 79H0009 79H0013
Shaft Extensions
Rotary Handle
200mm 79E0014 – –
400mm 79E0015 – –
Pistol Handle
120mm 79E0018 – 79E0018 –
200mm 79E0016 79E0010 79E0019
250mm – –79E0011 –
300mm –– – –
320mm 79E0017 79E0012 –
450mm –– 79E0020
500mm 79E0013 –
Protection Covers
Upper Terminals 3 pole – 79S0016 79S0018 79S0020
4 pole –79S0017 79S0019 79S0021
Lower Terminals 3 pole –79S0016 79S0018 79S0020
4 pole –79S0017 79S0019 79S0021
Auxiliary Contacts
Configurable Aux. Contact
Block side Mount – 79A0004 –
Drive Shaft Kit for above –79A0005 –
Configurable auxiliary block
holder (not required for
CF series) – 79A0006 –
N/O contact for above 79A0007 79A0007 –
N/C contact for above 79A0008 79A0008 –
Micro switch auxiliary
contacts 1 NO/NC – 79A0009 79A0011
Micro switch auxiliary
contacts 2 NO/NC – 79A0010 –
Micro switch auxiliary
contacts 2nd NO/NC – – 79A0012
Neutral Links
Unswitched neutral link – 79N0001 79N0002 79N0003
79N0004
–
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79 Series
Specification
CF SERIES
CF793020 CF793032 SF793032 SF793063
CF793N20 CF793N32 SF794032 SF794063
Rated insulation voltage Ui 800 800 690 690
Rated thermal current Ith 20 32 32 63
Ratings @ 400VAC
AC22 A20 32 32 63
AC23 A20 32 32 63
Fuse size BS88 A1 A1 A1 A2-A3
Making capacity @ 400VAC
AC23B A Rms 200 320 320 630
Breaking capacity @ 400VAC
AC23B A Rms 160 256 256 500
Rated conditional short-circuit
current BS88 kA Rms 80 80 80 100
Fuse switch cut off current kA peak 6.5 6.5 9 10.6
Mechanical endurannce ops 20000 20000 10000 10000
Maximum cable size mm22.5/16 2.5/16 6/25 10/25
Maximum Cu busbar width mm - - - -
Maximum Torque Settings (Nm)
On terminal bolt/On fuse bolt 2/1.6 2/1.6 5.4/1.57 5.4/2.94
On shaft securing bolt 1.5 1.5 6 6
Weight 3/4P Kg 0.5 0.5 1 1.3
SF79 SERIES
SF793100 SF793160 SF793200 SF793250 SF793315 SF793400 SF793630
SF794100 SF794160 SF794200 SF794250 SF794315 SF794400 SF794630
Rated insulation voltage Ui 750 750 750 800 750 800 1000
Rated thermal current Ith 100A 160A 200A 250A 315A 400A 630A
Ratings @ 400VAC
AC22 A100 160 200 250 315 400 630
AC23 A100 160 200 250 315 400 630
Fuse size BS88 *1A4 A4 B1-B2 B1-B3 B1-B3 B1-B4 C1-C2
Making capacity @ 400VAC
AC23 A Rms 1000 1600 2000 2500 3150 4000 6300
Breaking capacity @ 400VAC
AC23 A Rms 800 1280 1600 2000 2520 3200 5040
Rated conditional short-circuit
current kA Rms 100 100 80 80 80 80 100
Rated peak withstand current kA peak 17.6 20 20 32.5 44 44 58
Mechanical life 10000 10000 10000 10000 10000 10000 10000
Maximum cable size mm225/95 50/95 50/95 95/240 185/240 185/240 2x150/2x300
Maximum Cu busbar width mm 20 20 20 32 45 45 50
Maximum Toorque Settttings (Nm)
On terminal bolt/On fuse bolt 12.75/12.75 12.75/12.75 12.75/12.75 25.48/12.75 25.48/12.75 25.48/12.75 44.10/25.48
On shaft securing bolt 6 6 6 6 6 6 -
Weight 3/4P Kg 2 2.3 4.5 4.5 6.1 6.1 19
*1Max. Fuse 31mm
* Note: Please ensure that the cut off current off the fuse links does not exceed the values given for the fuse switches.
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79 Series
Specification CF Series
External front operation
Door Drilling
98
91.5 6.5
9637.5 15
17.5
D
Side operation
Rotary handle Pistol handle
D
left mini 36 D
right
mini 36
2 ø4.5 4 ø4.5
ø31
65
50
90˚
90˚
ø31
0
0
I
I
65
50
105 mini
130 with 1 auxiliary contact
155 with 2 auxiliary contact
5.2
14
fix 79.5
98
Additional
auxiliary
contact
holder
65
83
45
19
44
Handle type D
Selector 37
Rotary 46.5
Pistol 70
110
88 1 Aux.
2 Aux.
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Specification SF Series
Overall dimensions
23128.7
79 Series
2nd aux contact
1st aux contact
21 15 holder
70 D A
E
P
P
90˚
M21
0
L 36.5
70.5
B
K
6
32-63A Dimensions (mm)
Auxiliary contact
Shaft 120mm D maxi = 145mm
Shaft 200mm D maxi = 225mm
Shaft 250mm D maxi = 275mm
Shaft 320mm D maxi = 345mm
Shaft 500mm D maxi = 525mm
Frame Fuse No of Overall Dimensions Switch Mounting
Size Size Poles
BS 88 A B D mini E I J K L M P
1 A1 3 137 118 94 87 – – 106 5.4 57.5 27
1 A1 4 164 118 94 87 – – 106 5.4 57.5 27
2 A2-A3 3 152 118 100 92.5 – – 106 5.4 62.5 32
2 A2-A3 4 184 118 100 92.5 – – 106 5.4 62.5 32
Specification
Overall dimensions
63-400A Dimensions (mm) Shaft 120mm D maxi = 145mm
Shaft 200mm D maxi = 225mm
Shaft 250mm D maxi = 275mm
Shaft 320mm D maxi = 345mm
Shaft 500mm D maxi = 525mm
Frame Fuse Size No of Overall Dimensions Switch Mounting Connection Terminal
Size Poles
BS 88 A B
D mini
EFHH
1I J K L M P R T øX Y
3 A4 ø31 3 166 162 120 106.5 44 108 53 130 170 127 5.4 66.5 36 20 2.5 8.5 19.5
3 A4 ø31 4 202 162 120 106.5 44 144 53 130 170 127 5.4 66.5 36 20 2.5 8.5 19.5
4 A4/B1-B2 3 206 162 145 136.5 44 136 53 174 229 140 5.4 80.5 50 20 2.5 8.5 19.5
4 A4/A1-B2 4 256 162 145 136.5 44 172 53 174 229 140 5.4 80.5 50 20 2.5 8.5 19.5
5 B1/B2-B3 3 296 195 154 146 65 180 75 185 251 162 6.4 90.5 60 32 2.5 11 19.5
5 B1/B2-B3 4 320 195 154 146 65 180 75 185 251 162 6.4 90.5 60 32 2.5 11 19.5
6 B1 to B4 3 278 205 157 149 65 192 75 200 260 172 6.4 121 66 50 3 11 20
6 B1 to B4 4 344 205 157 149 65 258 75 200 260 172 6.4 121 66 50 3 11 20
70 D A
P M 21 15.5
36.5
RP
90˚ 0
H
øX
H1H1 B
K
L
J
E
F
Y
T
I
126.5
* Max 8 aux contacts
(2x4) max 2 high
Door drilling
50
50
4 ø 4.5
ø 31
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79 Series
Specification
°
°
°
5
5
°
==
==
630 to 800A Dimensions (mm)
A
A1
J2 J J1
B1
Padlocking
RøX
K
øL
V
PPPWM N
ø15
30
33
50
4 ø9 x 11
Connection terminal 800A
30
33
10
D96
Without shaft extension
Minimum length with shaft
extension: D +27
H2
B
H1 U
H
Y
T
E
C
S
S1
190
Terminal shroud
Frame Size Overall Dimensions Switch Mounting Connection Terminals
Rating (A) A A1BB
1C
D mini*
DEHH
1H2JJ
1J2KøLM Y
7 3 x 630 470 345.5 300 150 348 276 341 to 440 268 235 85 85 250 76 19.5 250 9 38.5 72
7 4 x 630 550 425.5 300 150 348 276 341 to 440 268 315 85 85 250 76 99.5 250 9 38.5 72
8 3 x 800 470 345.5 320 150 348 276 341 to 440 268 235 75 75 250 76 19.5 250 9 38.5 72
8 4 x 800 550 425.5 320 150 348 276 341 to 440 268 215 75 75 250 76 99.5 250 9 38.5 72
NPRSS
1TU VWøX
162 80 50 50 50 7 260 45.5 44.5 13
162 80 50 50 50 7 260 34.5 44.5 13
162 80 50 60 60 7 267 45.5 44.5 –
162 80 50 60 60 7 267 34.5 44.5 –
*short shaft
Door drilling
50
50
4 ø 4.5
ø 31
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