EFEN LV Horizontal Fuse Switch Disconnects

The best of both worlds with EFEN SILAS and IN Series

  • Size 00, 1, 2, 3 and 4A for 160 A to 1,600 A
  • Cable covers provided with all disconnects
  • Fully compliant with IEC 60947 Part 1 and Part 3

Download Data sheet
Characteristics and ratings (according to IEC 60947-3)

IN series

-

DIN size

000/00

1

2

3

4A

Rated operational current, Iₑ
690 V
A
160
250
400
630
1,250 - 1,600
Conventional free-air thermal current Iₜₕ
690 V
A
160
250
400
630
1,250 - 1,600
Rated operational voltage, Uₑ
-
V
690
690
690
690
690
Rated insulation voltage, Uᵢ
-
v
800
800
800
800
800
Rated impulse withstand voltage, Uᵢₘₚ
-
Vpk
8
8
8
8
8
Rated conditional short circuit current 400 V kA 100 100 1001 100 50 (when protected with NH fuse-links)
400 V
kA
100
100
100¹
100
50
Rated Operational Voltage Ue
690 V
kA
50
50
50
50
50
Utilisation category
400 V
-
AC-22B
AC-22B
AC-22B
AC-22B
AC-22B
Utilisation category
500 V
-
AC-22B
AC-22B
AC-22B
AC-22B
AC-22B
Utilisation category
690 V
-
-
AC-21B
AC-21B
AC-21B
AC-21B
Utilisation category
440 Vdc²
-
DC-21B
DC-21B
DC-21B
DC-21B
DC-21B
Mechanical service life
-
Cycles
1,600
1,600
1,000
1,000
600
Permissible ambient temperature
-
⁰C
-
-
25 to +55
-
-
Degree of protection to IEC 60529
-
-
-
-
IP3X
-
-
Maximum permissible power dissipation of the NH fuse-links
-
W
12
23
34
48
115 - 140
Weight without fuse links
-
kg
0.5
2.0
3.3
5.3
14.0

SILAS Series

-

DIN size

000/00

1

2

3

Rated operational current, Iₑ
690 V
A
160
250
400
630
Conventional free-air thermal current Iₜₕ
690 V
A
160
250
400
630
Rated operational voltage, Uₑ
-
V
690
690
690
690
Rated insulation voltage, Uᵢ
-
v
1,000
1,000
1,000
1,000
Rated impulse withstand voltage, Uᵢₘₚ
-
kVpk
8
8
8
8
Rated conditional short circuit current 690 V kA 80 80 50 80 (when protected with NH fuse-links)
690 V
kA
80
80
50
80
Utilisation category
400 V
-
AC-23B
AC-23B
AC-23B
AC-23B
Utilisation category
500 V
-
AC-22B
AC-22B
AC-22B
AC-22B
Utilisation category
690 V
-
AC-21B
AC-21B
AC-21B
AC-21B
Utilisation category
440 Vdc
-
-
DC-21B
DC-21B
DC-21B
Mechanical service life
-
Cycles
1,600
1,600
1,000
1,000
Permissible ambient temperature
-
⁰C
-
-
25 to +55
-
Degree of protection to IEC 60529
-
-
-
-
IP3X
-
Maximum permissible power dissipation of the NH fuse-links
-
W
12
23
34
48
Weight without fuse links
-
kg
0.8
2.2
3.6
4.1
Tightening torques for terminals and busbar mounting

IN series

DIN size

000/00

1

2

3

4A

Multiple use screw terminal
Nm
14
32
32
32
32/56
Pressure plates with bolts / prism clamps
Nm
4
8
14
14
-
Busbar mounting
Nm
6
10
10
14
-

SILAS Series

DIN size

000/00

1

2

3

Multiple use screw terminal
Nm
14
32
32
32/56
Pressure plates with bolts / prism clamps
Nm
3
6
8
8
Busbar mounting
Nm
3
6
8
8
Box clamps
Nm
5
12
20
20
Conductor application ranges

IN series

Conductor type

Conductor type

Cross section

000/00

1

2

3

4A

Multiple use screw terminal
-
-
-
MB
M10
M10
M10
M12/M16
Pressure plates with bolts / prism clamps
CU
RE
mm²
1.5-16
1.5-16
-
-
-
Pressure plates with bolts
CU
RM/SM
mm²
2-25
6-50
6-70
6-70
-
Pressure plates with bolts and prism clamps
CU/AL
RE/RM/SE/SM
mm²
2.5-70
70-150
70-240
70-240
-
Flat conductor (max W x H)
-
-
mm
10x6
16x15
21x15
21x15
-

SILAS Series

Conductor type

Conductor type

Cross section

000/00

1

2

3

Multiple use screw terminal
-
14-
-
M8
M10
M10
M10
Pressure plates with bolts / prism clamps
CU
RE
mm²
6-50
70-150
-
-
Pressure plates with bolts
CU
RM/SM
mm²
6-25
6-50
6-70
6-70
Pressure plates with bolts and prism clamps
CU/AL
RE/RM/ SE/SM
mm²
6-70
70-150
120-240
150-300
Box clamps
CU
RE/RM
mm²
2.5-95
35-150
95-300
95-300
Box clamps
CU
RE/RM
mm²
-
50-150
120-300
120-300
-
AL
RE/RM
mm²
-
35-150
95-300
95-300
Product selection table and dimensions

Product code

Type

DIN size

Current rating (A)

Configuration

Mounting system

Optional V- clamps¹

Nominal height (mm)

Nominal width (mm)

Nominal depth (mm)

WE160E
IN
00
160
Single Phase
Base plate
No
157
50
80
EFH00160
IN
00
160
Three phase Yes single throw
Base plate
Yes
156
106
90
EFH1250
IN
1
250
Three phase Yes single throw
Base plate
Yes
270
184
110
EFH2400
IN
2
400
Three phase Yes single throw
Base plate
Yes
281
210
127
EFH3630
IN
3
630
Three phase Yes single throw
Base plate
Yes
289
250
132
EFH41600
IN
4A
1,600
Three phase Yes single throw
Base plate
No
330
378
233
EF00160S
IN
00
160
Single phase
Base plate
Yes
200
50
95
EF1250S
IN
1
250
Single phase
Base plate
Yes
284
100
142
EF2400S
IN
2
400
Single phase
Base plate
Yes
284
100
142
EF3630S
IN
3
630
Single phase
Base plate
Yes
284
115
142
EF41600S
IN
4A
1,600
Single phase
Base plate
No
330
126
233
EF2400SB
IN
2
400
Single phase
Busbar
Yes
284
100
142
EF3630SB
IN
3
630
Single phase
Busbar
Yes
284
115
142
WE500
SILAS
00
160
Three phase single throw
Base plate
Yes
194
106
80
WE510
SILAS
1
250
Three phase single throw
Base plate
Yes
306
184
110
WE520
SILAS
2
400
Three phase single throw
Base plate
Yes
306
210
130
WE530
SILAS
3
630
Three phase single throw
Base plate
Yes
306
250
130
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