KATKO

ATEX Rated Switch Disconnectors

  • Conform to EN 60079-0, EN 60079-31, and Directive 2014/34/EU
  • Suitable for use in Zone 22
  • IP66
  • Temperature range from -20C to 40C

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Available in several variants
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Technical data / Documents

Accessories & Related products

Selected variant

Technical data

General Data
Rated insulation voltage Ui 800 V
Rated thermal current, Ith 25 A
Terminals / Bolt size Cu 1.5-16

Rated operational current, Ie
Operational current - AC-21A - 400/415V 25 A
Operational current - AC-21A - 500V 25 A
Operational current - AC-21A - 690V 25 A
Operational current - AC-22A - 400/415V 16 A
Operational current - AC-22A - 500V 16 A
Operational current - AC-22A - 690V 16 A
Operational current - AC-23A - 400/415V 16 A
Operational current - AC-23A - 500V 16 A
Operational current - AC-23A - 690V 16 A

Rated fused short circuit current
6339_R.M.S value, IK (kA) 50
Rated impulse withstand voltage Uimp 8 kV
5530_Rated short circuit making capacity at 690V, lcm (kA) 2.5
5809_Rated short time withstand current at 690V (1 s), lcw (kA) 1.7

Rated breaking capacity, Icn
Breaking capacity - AC-23A - 400/415V 128 A
Breaking capacity - AC-23A - 500V 128 A
Breaking capacity - AC-23A - 690V 128 A

Additional Details
Electrical endurance 3000
Mechanical endurance 50000
4950_Max terminal torque (Nm) 1.8

Measurements and connections

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Parts Rated thermal current, Ith Terminals / Bolt size Cu Operational current - AC-21A - 400/415V Operational current - AC-21A - 500V Operational current - AC-21A - 690V Operational current - AC-22A - 400/415V Operational current - AC-22A - 500V Operational current - AC-22A - 690V Operational current - AC-23A - 400/415V Operational current - AC-23A - 500V Operational current - AC-23A - 690V 6339_R.M.S value, IK (kA) 5530_Rated short circuit making capacity at 690V, lcm (kA) 5809_Rated short time withstand current at 690V (1 s), lcw (kA) Breaking capacity - AC-23A - 400/415V Breaking capacity - AC-23A - 500V Breaking capacity - AC-23A - 690V Electrical endurance Mechanical endurance 4950_Max terminal torque (Nm) Price
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Aluminium 3-Pole, 16A A2EX 2XM25PEX KST16MEX
Art:
30550 Copied
25 A
1.5-16
25 A
25 A
25 A
16 A
16 A
16 A
16 A
16 A
16 A
50
2.5
1.7
128 A
128 A
128 A
3000
50000
1.8
KEA_A2-kopio-1.png
Aluminium 3-Pole, 25A A2EX 2XM25PEX KST16MEX
Art:
30551 Copied
40 A
1.5-16
40 A
40 A
40 A
25 A
25 A
25 A
25 A
25 A
25 A
50
2.5
1.7
200 A
200 A
200 A
3000
50000
1.8
KEA_A2-kopio-1.png
Aluminium 3-Pole, 40A A2EX 2XM25PEX KST16MEX
Art:
30552 Copied
63 A
1.5-16
63 A
63 A
63 A
40 A
40 A
40 A
40 A
32 A
32 A
50
2.5
1.7
320 A
256 A
256 A
3000
50000
1.8
A4-kopio-1.png
Aluminium 3-Pole, 63A A4EX 2XM40PEX KST16MEX
Art:
30556 Copied
80 A
2.5-35
80 A
80 A
80 A
63 A
63 A
63 A
40 A
40 A
40 A
50
3.1
2.0
320 A
320 A
320 A
3000
50000
2.5
A4-kopio-1.png
Aluminium 3-Pole, 80A A4EX 2XM40PEX KST16MEX
Art:
30557 Copied
100 A
2.5-35
100 A
100 A
100 A
80 A
80 A
80 A
63 A
40 A
40 A
50
3.1
2.0
504 A
320 A
320 A
3000
50000
2.5
A4-kopio-1.png
Aluminium 3-Pole, 100A A4EX 2XM40PEX KST16MEX
Art:
31542 Copied
125 A
6-70
125 A
125 A
125 A
100 A
100 A
100 A
100 A
63 A
63 A
65
8
5
640 A
504 A
504 A
2000
16000
6
A4-kopio-1.png
Aluminium 3-Pole, 125A A4EX 2XM40PEX KST16MEX
Art:
30558 Copied
160 A
6-70
160 A
160 A
160 A
125 A
125 A
125 A
125 A
80 A
80 A
65
8
5
1000 A
640 A
640 A
2000
16000
6
A4-kopio-1.png
Aluminium 3-Pole, 160A A4EX 2XM40PEX KST16MEX
Art:
30559 Copied
200 A
6-70
160 A
160 A
160 A
160 A
160 A
160 A
160 A
100 A
100 A
65
8
5
1280 A
800 A
800 A
2000
16000
6
KEA_A2-kopio-1.png
Aluminium 4-Pole, 16A A2EX 2XM25PEX KST16MEX
Art:
30553 Copied
25 A
1.5-16
25 A
25 A
25 A
16 A
16 A
16 A
16 A
16 A
16 A
50
2.5
1.7
128 A
128 A
128 A
3000
50000
1.8
KEA_A2-kopio-1.png
Aluminium 4-Pole, 25A A2EX 2XM25PEX KST16MEX
Art:
30554 Copied
40 A
1.5-16
40 A
40 A
40 A
25 A
25 A
25 A
25 A
25 A
25 A
50
2.5
1.7
200 A
200 A
200 A
3000
50000
1.8
KEA_A2-kopio-1.png
Aluminium 4-Pole, 40A A2EX 2XM25PEX KST16MEX
Art:
30555 Copied
63 A
1.5-16
63 A
63 A
63 A
40 A
40 A
40 A
40 A
32 A
32 A
50
2.5
1.7
320 A
256 A
256 A
3000
50000
1.8
A4-kopio-1.png
Aluminium 4-Pole, 63A A4EX 2XM40PEX KST16MEX
Art:
30560 Copied
80 A
2.5-35
80 A
80 A
80 A
63 A
63 A
63 A
40 A
40 A
40 A
50
3.1
2.0
320 A
320 A
320 A
3000
50000
2.5
A4-kopio-1.png
Aluminium 4-Pole, 80A A4EX 2XM40PEX KST16MEX
Art:
30561 Copied
100 A
2.5-35
100 A
100 A
100 A
80 A
80 A
80 A
63 A
40 A
40 A
50
3.1
2.0
504 A
320 A
320 A
3000
50000
2.5
A4-kopio-1.png
Aluminium 4-Pole, 100A A4EX 2XM40PEX KST16MEX
Art:
31543 Copied
125 A
6-70
125 A
125 A
125 A
100 A
100 A
100 A
100 A
63 A
63 A
65
8
5
640 A
504 A
504 A
2000
16000
6
A4-kopio-1.png
Aluminium 4-Pole, 125A A4EX 2XM40PEX KST16MEX
Art:
30562 Copied
160 A
6-70
160 A
160 A
160 A
125 A
125 A
125 A
125 A
80 A
80 A
65
8
5
1000 A
640 A
640 A
2000
16000
6
A4-kopio-1.png
Aluminium 4-Pole, 160A A4EX 2XM40PEX KST16MEX
Art:
30563 Copied
200 A
6-70
160 A
160 A
160 A
160 A
160 A
160 A
160 A
100 A
100 A
65
8
5
1280 A
800 A
800 A
2000
16000
6
KER RA2.png
Stainless Steel 3-Pole, 16A RA2EX 2XM25MEX KST16MEX
Art:
30979 Copied
25 A
1.5-16
25 A
25 A
25 A
16 A
16 A
16 A
16 A
16 A
16 A
50
2.5
1.7
128 A
128 A
128 A
3000
50000
1.8
KER RA2.png
Stainless Steel 3-Pole, 25A RA2EX 2XM25MEX KST16MEX
Art:
30980 Copied
40 A
1.5-16
40 A
40 A
40 A
25 A
25 A
25 A
25 A
25 A
25 A
50
2.5
1.7
200 A
200 A
200 A
3000
50000
1.8
KER RA2.png
Stainless Steel 3-Pole, 40A RA2EX 2XM25MEX KST16MEX
Art:
30981 Copied
63 A
1.5-16
63 A
63 A
63 A
40 A
40 A
40 A
40 A
32 A
32 A
50
2.5
1.7
320 A
256 A
256 A
3000
50000
1.8
KER RA4.png
Stainless Steel 3-Pole, 63A RA4EX 2XM32MEX KST16MEX
Art:
30985 Copied
80 A
2.5-35
80 A
80 A
80 A
63 A
63 A
63 A
40 A
40 A
40 A
50
3.1
2.0
320 A
320 A
320 A
3000
50000
2.5
KER RA4.png
Stainless Steel 3-Pole, 80A RA4EX 2XM32MEX KST16MEX
Art:
30986 Copied
100 A
2.5-35
100 A
100 A
100 A
80 A
80 A
80 A
63 A
40 A
40 A
50
3.1
2.0
504 A
320 A
320 A
3000
50000
2.5
KER RA5.png
Stainless Steel 3-Pole, 100A RA5EX 2XM40MEX KST16MEX
Art:
31544 Copied
125 A
6-70
125 A
125 A
125 A
100 A
100 A
100 A
100 A
63 A
63 A
65
8
5
640 A
504 A
504 A
2000
16000
6
KER RA5.png
Stainless Steel 3-Pole, 125A RA5EX 2XM40MEX KST16MEX
Art:
30987 Copied
160 A
6-70
160 A
160 A
160 A
125 A
125 A
125 A
125 A
80 A
80 A
65
8
5
1000 A
640 A
640 A
2000
16000
6
KER RA5.png
Stainless Steel 3-Pole, 160A RA5EX 2XM40MEX KST16MEX
Art:
30988 Copied
200 A
6-70
160 A
160 A
160 A
160 A
160 A
160 A
160 A
100 A
100 A
65
8
5
1280 A
800 A
800 A
2000
16000
6
KER RA2.png
Stainless Steel 4-Pole, 16A RA2EX 2XM25MEX KST16MEX
Art:
30982 Copied
25 A
1.5-16
25 A
25 A
25 A
16 A
16 A
16 A
16 A
16 A
16 A
50
2.5
1.7
128 A
128 A
128 A
3000
50000
1.8
KER RA2.png
Stainless Steel 4-Pole, 25A RA2EX 2XM25MEX KST16MEX
Art:
30983 Copied
40 A
1.5-16
40 A
40 A
40 A
25 A
25 A
25 A
25 A
25 A
25 A
50
2.5
1.7
200 A
200 A
200 A
3000
50000
1.8
KER RA2.png
Stainless Steel 4-Pole, 40A RA2EX 2XM25MEX KST16MEX
Art:
30984 Copied
63 A
1.5-16
63 A
63 A
63 A
40 A
40 A
40 A
40 A
32 A
32 A
50
2.5
1.7
320 A
256 A
256 A
3000
50000
1.8
KER RA4.png
Stainless Steel 4-Pole, 63A RA4EX 2XM32MEX KST16MEX
Art:
30989 Copied
80 A
2.5-35
80 A
80 A
80 A
63 A
63 A
63 A
40 A
40 A
40 A
50
3.1
2.0
320 A
320 A
320 A
3000
50000
2.5
KER RA4.png
Stainless Steel 4-Pole, 80A RA4EX 2XM32MEX KST16MEX
Art:
30990 Copied
100 A
2.5-35
100 A
100 A
100 A
80 A
80 A
80 A
63 A
40 A
40 A
50
3.1
2.0
504 A
320 A
320 A
3000
50000
2.5
KER RA5.png
Stainless Steel 4-Pole, 100A RA5EX 2XM40MEX KST16MEX
Art:
31545 Copied
125 A
6-70
125 A
125 A
125 A
100 A
100 A
100 A
100 A
63 A
63 A
65
8
5
640 A
504 A
504 A
2000
16000
6
KER RA5.png
Stainless Steel 4-Pole, 125A RA5EX 2XM40MEX KST16MEX
Art:
30576 Copied
160 A
6-70
160 A
160 A
160 A
125 A
125 A
125 A
125 A
80 A
80 A
65
8
5
1000 A
640 A
640 A
2000
16000
6
KER RA5.png
Stainless Steel 4-Pole, 160A RA5EX 2XM40MEX KST16MEX
Art:
30577 Copied
200 A
6-70
160 A
160 A
160 A
160 A
160 A
160 A
160 A
100 A
100 A
65
8
5
1280 A
800 A
800 A
2000
16000
6

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