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KER 3125 RA5EX 2XM40MEX KST16MEX

KER 3125 RA5EX 2XM40MEX 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.

GTIN
6419410309872
Rated operational current AC-23A 415V (A)
125
Enclosure type
Stainless steel enclosure (AISI 316L)
Enclosure
RA5EX (300 x 400 x 120 mm)

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Technical data

Cable entries
2 x M40 (19,0-28,0 mm), metal EX; 1 x plug, metal EX
Depth
120 mm
EMC
false
Enclosure
RA5EX (300 x 400 x 120 mm)
Enclosure type
Stainless steel enclosure (AISI 316L)
ETIM Class
EC000522
EX
true
GTIN
6419410309872
Height
400 mm
IP rating
IP66
Max. term. torque (Nm)
6
Mech. endurance (no. of oper.)
16000
Net weight
7.3978 kg
Nom. values w/cable size (mm²)
70
Number of poles
3
Product type
KER 3125 RA5EX 2XM40MEX KST16MEX
Rated breaking cap. ICN AC-23A 415V (A)
1000
Rated breaking cap. ICN AC-23A 500V (A)
640
Rated breaking cap. ICN AC-23A 690V (A)
640
Rated fused short-ckt current back-up fuse opt 1 (A)
160
Rated fused short-ckt current peak value (kA)
15
Rated fused short-ckt current RMS Ik opt 1 (kA)
65
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
160
Rated operational current AC-21A 500V (A)
160
Rated operational current AC-21A 690V (A)
160
Rated operational current AC-22A 415V (A)
125
Rated operational current AC-22A 500V (A)
125
Rated operational current AC-22A 690V (A)
125
Rated operational current AC-23A 415V (A)
125
Rated operational current AC-23A 500V (A)
80
Rated operational current AC-23A 690V (A)
80
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
55
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
55
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
75
Rated short-ckt. making cap. Icm 690V (kA)
8
Rated short-time withstand current 1s Icw 690V (kA)
5
Rated therm. current Ithe (A)
160
Rated therm. current Ith (A)
160
Switch type
Load Break Switch
Technical name
3x125A 400V ATEX II 3D
Terminals bolt size (Cu mm²)
6..70
Volume
14.4 l
Width
300 mm

Dimensional drawing

Logistical data

Package size 1 GTIN code
6419410309872
Package size 1 weight
7.3978 kg

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