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Fuse terminals - FTRK/FSIK

FTRK, FSIK

The FTRK and FSIK series are DIN-rail mountable fuse terminal blocks engineered for both 5 × 20 mm glass tube fuses and flat automotive blade fuses. Constructed from robust polyamide 6.6 and rated to UL94-V0, they’re specified for temperature resistance from –40 °C up to +120 °C. They support conductor cross-sections from 0.2 mm² up to 4 mm² (AWG 24–10), accommodate nominal currents from 6.3 A to 18 A, and handle system voltages up to 400 V IEC. Mechanically, they clip easily onto TS 35 rails, measuring about 67.5 mm in length, 5–6 mm in width, and approximately 47 mm in height, with two or three-level connection options. Approvals include CSA, cCSAus, and KEMA KUR, and they support impulse voltages up to 6 kV under pollution degree 3 for overvoltage category III environments.

Both series are perfect for compact, modular electrical distribution and protection in control cabinets. The FSIK variants offer integrated blade fuse holders for quick fuse changes, while certain FTRK models include status plug or LED indicators (e.g., 10–36 V and 35–70 V versions) to signal blown fuses. They're ideal in industrial automation, machine panels, power distribution, and automotive control systems where space-saving, reliable fusing and clear fault indication are essential. The ability to mix glass and blade fuses and use accessories like status display plugs adds flexibility for maintenance-focused installations. 

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  • For glass tube fuses 5x20
  • For automotive fuses
  • Material polyamide 6.6
  • Temperature resistance -40°C...+120°C

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Available in several variants
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Technical data / Documents

Product description

Accessories & Related products

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Technical data

General data
Rated wire cross section 4 mm²
Colour Black
Rated current 18 A
Rated voltage 400 V
Rated voltage IEC 400 V
Rated current IEC 18 A
Fuse size Blade Disconnect
Mounting TS 35
Rated impulse voltage 6 kV
Overvoltage category III
Contamination degree 3
Approvals Pending, CSA, cCSAus, KEMA KUR

Dimensions
Length 67.5 mm
Width 6.1 mm
Height TS 35/7.5 47 mm
Height 46 mm

Connection data
Connections 2
Number of levels 1  
Plug gauge acc. EN 60 947-1 A3
Cross connect channels 1  
Cross section single wire from 0.2 mm²
Cross section single wire to 4 mm²
Cross section stranded wire from 0.2 mm²
Cross section stranded wire to 2.5 mm²
Cross section stranded with ferrule from 0.2 mm²

*Invisible Heading*
Cross section stranded with ferrule to 2.5 mm²
Rated wire cross section from (AWG) 24
Rated wire cross section to (AWG) 10
Stripping length 12 mm

Materials
Insulation material Polyamide 6.6
Flammability class UL94-V0
Operating temperature from -40 °C
Operating temperature to 120 °C

Approvals
Rated voltage UL 300
Rated voltage UL 300 V
Rated current UL 15 A
UL test standard UL 1059
Rated voltage CSA 300 V
Rated current CSA 15 A
CSA test standard C22.2 No 158
Rated voltage CSAus 300 V
Rated current CSAus 15 A
CSAus test standard UL 1059
KEMA KEUR test standard EN 60947-7-3:2009

Additional data
Tariff code 85369010
Country of origin BG
Weight 13.72 g
Pack size 50  

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Product description

The FTRK and FSIK series are DIN-rail mountable fuse terminal blocks engineered for both 5 × 20 mm glass tube fuses and flat automotive blade fuses. Constructed from robust polyamide 6.6 and rated to UL94-V0, they’re specified for temperature resistance from –40 °C up to +120 °C. They support conductor cross-sections from 0.2 mm² up to 4 mm² (AWG 24–10), accommodate nominal currents from 6.3 A to 18 A, and handle system voltages up to 400 V IEC. Mechanically, they clip easily onto TS 35 rails, measuring about 67.5 mm in length, 5–6 mm in width, and approximately 47 mm in height, with two or three-level connection options. Approvals include CSA, cCSAus, and KEMA KUR, and they support impulse voltages up to 6 kV under pollution degree 3 for overvoltage category III environments.

Both series are perfect for compact, modular electrical distribution and protection in control cabinets. The FSIK variants offer integrated blade fuse holders for quick fuse changes, while certain FTRK models include status plug or LED indicators (e.g., 10–36 V and 35–70 V versions) to signal blown fuses. They're ideal in industrial automation, machine panels, power distribution, and automotive control systems where space-saving, reliable fusing and clear fault indication are essential. The ability to mix glass and blade fuses and use accessories like status display plugs adds flexibility for maintenance-focused installations. 

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Parts Rated wire cross section Colour Rated current Rated voltage Rated voltage IEC Rated current IEC Fuse size Approvals Additional information Length Width Height TS 35/7.5 Height Connections Cross section single wire from Cross section stranded wire from Cross section stranded wire to Cross section stranded with ferrule from Rated wire cross section from (AWG) Rated wire cross section to (AWG) Stripping length Rated voltage UL Rated voltage UL Rated current UL UL test standard Rated current CSA Rated current CSAus KEMA KEUR test standard Country of origin Weight Pack size Price
3239-4.jpg
FSIK 4/2A/MT BK
Art:
3239.4 Copied
4 mm²
Black
18 A
400 V
400 V
18 A
Blade Disconnect
Pending, CSA, cCSAus, KEMA KUR
67.5 mm
6.1 mm
47 mm
46 mm
2
0.2 mm²
0.2 mm²
2.5 mm²
0.2 mm²
24
10
12 mm
300
300 V
15 A
UL 1059
15 A
15 A
EN 60947-7-3:2009
BG
13.72 g
50  
3290_4.jpg
FSIK 4/2A BK
Art:
3290.4 Copied
4 mm²
Black
6.3 A
5 x 20 mm
UL, CSA, CSA US, KEMA KUR
67.5 mm
6.1 mm
70 mm
69 mm
2
0.2 mm²
0.2 mm²
2.5 mm²
0.2 mm²
24
10
12 mm
300 V
6.3 A
UL 1059
6.3 A
6.3 A
EN 60947-7-3:2009
BG
17.94 g
25  
3291_4.jpg
FSIK 4/2A/LED 12-30V AC/DC BK
Art:
3291.4 Copied
4 mm²
Black
6.3 A
5 x 20 mm
UL, CSA, CSA US, KEMA KUR
67.5 mm
6.1 mm
70 mm
69 mm
2
0.2 mm²
0.2 mm²
2.5 mm²
0.22 mm²
24
10
12 mm
300 V
6.3 A
UL 1059
6.3 A
6.3 A
EN 60947-7-3:2009
DE
87.66 g
25  
3291_4.jpg
FSIK 4/2A/LED 30-60V AC/DC BK
Art:
3292.4 Copied
4 mm²
Black
6.3 A
5 x 20 mm
UL, CSA, CSA US, KEMA KUR
67.5 mm
6.1 mm
70 mm
69 mm
2
0.2 mm²
0.2 mm²
2.5 mm²
0.2 mm²
24
10
12 mm
300 V
6.3 A
UL 1059
6.3 A
6.3 A
EN 60947-7-3:2009
DE
87.66 g
25  
3293_4.jpg
FSIK 4/2A/LED/110-250V AC/DC BK
Art:
3293.4 Copied
4 mm²
Black
6.3 A
5 x 20 mm
UL, CSA, CSA US, KEMA KUR
67.5 mm
6.1 mm
70 mm
69 mm
2
0.2 mm²
0.2 mm²
2.5 mm²
0.2 mm²
24
10
12 mm
300 V
6.3 A
UL 1059
6.3 A
6.3 A
EN 60947-7-3:2009
DE
87.66 g
25  
3257_2.jpg
FTRK 2,5/2A/OT BG
Art:
3257.2 Copied
2.5 mm²
Beige
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
67.5 mm
5.1 mm
43 mm
2
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
10.99 g
100  
299562_877.tif
FTRK 2,5/2A/OT OG
Art:
3257.3 Copied
2.5 mm²
Orange
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
67.5 mm
5.1 mm
43 mm
2
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
10.99 g
100  
299562_877.tif
FTRK 2,5/2A/OT BU
Art:
3257.5 Copied
2.5 mm²
Blue
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
67.5 mm
5.1 mm
43 mm
2
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
10.99 g
100  
3258_2.jpg
FTRK 2,5/3A/OT BG
Art:
3258.2 Copied
2.5 mm²
Beige
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
82 mm
5.1 mm
43 mm
3
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
13.94 g
100  
299562_877.tif
FTRK 2,5/3A/OT OG
Art:
3258.3 Copied
2.5 mm²
Orange
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
82 mm
5.1 mm
43 mm
3
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
13.94 g
100  
299562_877.tif
FTRK 2,5/3A/OT BU
Art:
3258.5 Copied
2.5 mm²
Blue
400 V
18 A
CSA, CSA US, KEMA KUR
without function element
82 mm
5.1 mm
43 mm
3
0.2 mm²
0.2 mm²
4 mm²
0.2 mm²
20
12
10 mm
15 A
15 A
EN 60947-7-1:2009, EN 60947-7-3:2009
CZ
13.94 g
100  
299562_877.tif
FTRK 2,5/2A/ZS BG
Art:
3263.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
299562_877.tif
FTRK 2,5/2A/ZS BU
Art:
3263.5 Copied
2.5 mm²
Blue
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
3264_2.jpg
FTRK 2,5/2A/ZS 36 BG
Art:
3264.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 10-36V
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
299562_877.tif
FTRK 2,5/2A/ZS 70 BG
Art:
3265.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 35-70V
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
299562_877.tif
FTRK 2,5/2A/ZS 150 BG
Art:
3266.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 60-150V
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
299562_877.tif
FTRK 2,5/2A/ZS 250 BG
Art:
3267.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 140-250V
67.5 mm
5.1 mm
81.2 mm
2
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.9 g
100  
3268_2.jpg
FTRK 2,5/3A/ZS BG
Art:
3268.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.1 g
100  
299562_877.tif
FTRK 2,5/3A/ZS BU
Art:
3268.5 Copied
2.5 mm²
Blue
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
19.1 g
100  
299562_877.tif
FTRK 2,5/3A/ZS 36 BG
Art:
3269.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 10-36V
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
20.34 g
100  
299562_877.tif
FTRK 2,5/3A/ZS 70 BG
Art:
3270.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 35-70V
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
20.34 g
100  
299562_877.tif
FTRK 2,5/3A/ZS 150 BG
Art:
3271.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 60-150V
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
20.34 g
100  
299562_877.tif
FTRK 2,5/3A/ZS 250 BG
Art:
3272.2 Copied
2.5 mm²
Beige
6.3 A
5 x 20 mm
CSA, CSA US, KEMA KUR
with fuse plug + status display 140-250V
82 mm
5.1 mm
81.2 mm
3
0.5 mm²
0.5 mm²
4 mm²
0.5 mm²
20
12
10 mm
6.3 A
6.3 A
EN 60947-7-3:2009
DE
20.34 g
100  

Selected variant

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