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Data is subject to errors and technical modifications.
Fuse Combination Switches
Technical Data
Commercial
Distribution
Thermal current lth (40ºC)
20A
32A
63A
100A
125A
160A
200A
Fuse size: BS
A1
A1
A2-A3
A4
B1-B2
B1-B2
B1-B3
Rated insulated voltage
Ui (V)
800
800
800
800
800
800
800
Impulse voltages Uimp
8000 8000 8000 8000 8000 8000 8000 8000 8000 8000 12000 12000 -
Operational current Ie (A)
A B A B A B A B A B A B
A B
415V ac AC-22A/AC-23B
20 20 32 32 63 63 100 100 125 125 160 160
200 200
Motor power (kW) 400V ac
9
15
30
51
63
80
100
Reactive power 400V ac (kVAR)
15
45
25
45
55
60
75
Overload capacity
Short-circuit with fuses (kA Rms)
50
50
50
50
50
50
50
Fuse rating (A) BS 88
20
32
63
100
125
160
200
Making & Breaking Capacity
Breaking capacity 400V AC-23B
(A RMS)
160
256
500
800
1000
1280
1600
Making capacity 400V AC-22
(A RMS)
200
320
630
1000
1250
1600
2000
Withstand mechanical
(number of operations)
20,000
20,000
10,000
10,000
10,000
10,000
10,000
Tightening torque
2
2
6
9
9
9
20
Connection (mm
2
)
Minimum Cu cable section
2.5
2.5
10
25
35
50
70
Maximum Cu cable section
16
16
25
95
95
95
240
Fuse types
NIT20
NIT32
TIS63
TCP100
TF125
TF160
TF200
Thermal current l th (40ºC)
250A
315A
400A
630A
800A
Fuse size: BS
B1-B3
B1-B4
B1-B4
C1-C2
C1-C2-C3
Rated insulated voltage U i (V)
800
800
800
1000
1000
Operational current I e (A)
A = Frequent operation
B = Infrequent operation
A B A B A B A B A B
415V a.c. AC-22A/AC-23B
250 250 315 315 400 400 630 630 800 800
Motor power (kW) 400V a.c.
-
160 160 220 220 355 355 -
Reactive power 400V a.c. (kVAR)
-
125
150
2 x 125
-
Overload capacity
Short-circuit with fuses (kA Rms)
50
50
50
50
50
Fuse rating (A) BS 88
250
315
400
630
800
Making & Breaking Capacity
Breaking capacity 400V AC-23B
(A R.M.S)
2000
2520
3200
-
-
Making capacity 400V
AC-23B (A R.M.S)
2500
3150
4000
-
-
Withstand mechanical
(number of operations)
10,000
10,000
10,000
8000
8000
Tightening torque (Nm)
-
20
20
40
40
Connection (mm
2
)
Minimum Cu cable section
70
185
185
2 x 150
2 x 150
Maximum Cu cable section
240
240
240
2 x 300
2 x 300
Fuse types
TKF250
TKF315
TMF400
TTM630
TLM800