Katko IsoSafe IP69K-rated stainless steel safety switches are engineered for environments requiring the highest levels of protection, hygiene and corrosion resistance. Housed in acid-proof AISI 316L enclosures with IP69K protection, these switches withstand high-pressure, high-temperature washdowns and harsh conditions, making them ideal for food processing, pharmaceutical facilities, washdown zones and other demanding applications.
Designed for dependable performance, the range combines robust construction with clear, front-operated switching and padlockable interlocks, ensuring both safety and reliability in challenging environments.
GTIN
6419410349922
Rated operational current AC-23A 415V (A)
125
Enclosure type
Stainless steel enclosure (AISI 316L)
Enclosure
RA4S (160 x 369 x 127 mm)

Product details and documents
Technical data
Depth
124 mm
EMC
false
Enclosure
RA4S (160 x 369 x 127 mm)
Enclosure type
Stainless steel enclosure (AISI 316L)
ETIM Class
EC000216
GTIN
6419410349922
Height
369 mm
IP rating
IP69K
Long product name
3-pole, Yellow-red handle,IP69K, Acid-resistant stainless steel enclosure with rain hood (AISI 316L); W160 x H369 x D124
Max. term. torque (Nm)
6
Mech. endurance (no. of oper.)
16000
Net weight
3.3561 kg
Nom. values w/cable size (mm²)
70
Number of poles
3
Product type
KER 3125 YRIP69K RA4S
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
Short product description
Isolating switch 3x125A IP69K
Switch type
Load Break Switch
Technical name
3x125A 400V 55kW
Terminals bolt size (Cu mm²)
6..70
Volume
7.321 l
Width
160 mm
Dimensional drawing
Logistical data
Package size 1
1
Sales unit
1
Downloadables
- Dimensional drawings media (3c8e08d3d756ddf242c5bd7329c374d4c8f797f6_IsoSafe_RA4S_Dim.png)
- Brochures (6379e76fa5ee33ff60767c9781ca3ebaada6c217_KATKO_IsoSafe_catalogue_102024_en.pdf)
- Brochures (88bc9d1eaaa50e840fe66815236a2d4c16fce617_KATKO_IsoSafe_catalogue_082022_fi.pdf)
- Brochures (86a395c9341799e90f45174a6e4861db77624a97_KATKO_IsoSafe_catalogue_012025_pl.pdf)
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