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- KER 416 RA2EX 2XM25MEX KST16MEX

- KER 416 RA2EX 2XM25MEX KST16MEX

Developed for hazardous areas, Katko ATEX isolators provide safe and reliable isolation in explosive atmospheres. They are designed to meet strict ATEX requirements while maintaining ease of installation and dependable operation, with options available for Zone 21 and Zone 22 applications.

Suitable for use in demanding industrial environments, these isolators offer robust protection and long service life where safety cannot be compromised.

Product Number
30982
Rated operational current AC-23A 415V (A)
16
Enclosure type
Stainless steel enclosure (AISI 316L)
Enclosure
RA2EX (120 x 160 x 77 mm)
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Technical data

GTIN
6419410309827
Cable entries
2 x M25 (11,0-17,0 mm), metal EX; 1 x plug, metal EX
Depth
77 mm
EMC
false
Enclosure
RA2EX (120 x 160 x 77 mm)
Enclosure type
Stainless steel enclosure (AISI 316L)
ETIM Class
EC000522
EX
true
Height
160 mm
IP rating
IP66
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
50000
Net weight
0.9269 kg
Nom. values w/cable size (mm²)
4
Number of poles
4
Product type
- KER 416 RA2EX 2XM25MEX KST16MEX
Rated breaking cap. ICN AC-23A 415V (A)
128
Rated breaking cap. ICN AC-23A 500V (A)
128
Rated breaking cap. ICN AC-23A 690V (A)
128
Rated fused short-ckt current back-up fuse opt 1 (A)
40
Rated fused short-ckt current peak value (kA)
6.1
Rated fused short-ckt current RMS Ik opt 1 (kA)
50
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
25
Rated operational current AC-21A 500V (A)
25
Rated operational current AC-21A 690V (A)
25
Rated operational current AC-22A 415V (A)
16
Rated operational current AC-22A 500V (A)
16
Rated operational current AC-22A 690V (A)
16
Rated operational current AC-23A 415V (A)
16
Rated operational current AC-23A 500V (A)
16
Rated operational current AC-23A 690V (A)
16
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
7.5
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
7.5
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
11
Rated short-ckt. making cap. Icm 690V (kA)
2.5
Rated short-time withstand current 1s Icw 690V (kA)
1.7
Rated therm. current Ithe (A)
25
Rated therm. current Ith (A)
25
Switch type
Load Break Switch
Technical name
4x16A 400V ATEX II 3D
Terminals bolt size (Cu mm²)
1,5..16
Volume
1.4784 l
Width
120 mm

Dimensional drawing

Logistical data

Package size 1 depth
77 mm
Package size 1 GTIN code
6419410309827
Package size 1 height
160 mm
Package size 1 volume
1.4784 l
Package size 1 weight
0.9269 kg
Package size 1 width
120 mm

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