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KEM 4400 YR MF03

Isolating switch 4x400A IP66

KEM 4400 YR MF03

Katko IsoSafe polycarbonate enclosed safety switches are designed for real-world applications where safety and reliability are essential, from demanding industrial environments to ordinary buildings. The durable polycarbonate enclosure provides high protection and excellent insulation while resisting UV radiation and many chemicals, ensuring reliable performance both indoors and outdoors.

Advanced safety features, including self-extinguishing materials, secure door interlocking defeat mechanisms and a padlockable handle, support safe operation and maintenance. Designed and manufactured in Finland, IsoSafe switches reflect decades of application-driven engineering and are trusted in installations where dependable electrical distribution is critical.

GTIN
6419410325124
Rated operational current AC-23A 415V (A)
400
Enclosure type
Polycarbonate
Enclosure
MF03 (380 x 560 x 180 mm)
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Product details and documents

Technical data

Depth
180 mm
EMC
false
Enclosure
MF03 (380 x 560 x 180 mm)
Enclosure type
Polycarbonate
ETIM Class
EC000216
GTIN
6419410325124
Height
560 mm
IP rating
IP66
Long product name
4-pole, Yellow-red handle, Polycarbonate enclosure; W380 x H560 x D180
Max. term. torque (Nm)
30..44
Mech. endurance (no. of oper.)
10000
Net weight
10.6638 kg
Nom. values w/cable size (mm²)
240
Number of poles
4
Product type
KEM 4400 YR MF03
Rated breaking cap. ICN AC-23A 415V (A)
3200
Rated breaking cap. ICN AC-23A 500V (A)
3200
Rated breaking cap. ICN AC-23A 690V (A)
3200
Rated fused short-ckt current back-up fuse opt 1 (A)
400
Rated fused short-ckt current peak value (kA)
42
Rated fused short-ckt current RMS Ik opt 1 (kA)
100
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
12
Rated insulation volt. Ui (V)
1000
Rated operational current AC-21A 415V (A)
400
Rated operational current AC-21A 500V (A)
400
Rated operational current AC-21A 690V (A)
400
Rated operational current AC-22A 415V (A)
400
Rated operational current AC-22A 500V (A)
400
Rated operational current AC-22A 690V (A)
400
Rated operational current AC-22B 800V (A)
400
Rated operational current AC-23A 1000V (A)
200
Rated operational current AC-23A 415V (A)
400
Rated operational current AC-23A 500V (A)
400
Rated operational current AC-23A 690V (A)
400
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
200
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
250
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
355
Rated short-ckt. making cap. Icm 690V (kA)
27.5
Rated short-time withstand current 1s Icw 1000V (kA)
13.5
Rated therm. current Ithe (A)
400
Rated therm. current Ith (A)
400
Short product description
Isolating switch 4x400A IP66
Switch type
Load Break Switch
Technical name
4x400A 400V 200kW
Terminals bolt size (Cu mm²)
M10
Volume
38.304 l
Width
380 mm

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
120 mm
Package size 1 GTIN code
6419410339275
Package size 1 height
300 mm
Package size 1 volume
5.4 l
Package size 1 weight
3.3801 kg
Package size 1 width
150 mm
Sales unit
1

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