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Isolating switch 3x250A IP66

KEM 3250 YR MF03

Isolating switch 3x250A IP66

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
6419410319888
Rated operational current AC-23A 415V (A)
250
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
6419410319888
Height
560 mm
IP rating
IP66
Long product name
3-pole, Yellow-red handle, Polycarbonate enclosure; W380 x H560 x D180
Max. term. torque (Nm)
15..22
Mech. endurance (no. of oper.)
16000
Net weight
8.4088 kg
Nom. values w/cable size (mm²)
120
Number of poles
3
Product type
KEM 3250 YR MF03
Rated breaking cap. ICN AC-23A 415V (A)
2000
Rated breaking cap. ICN AC-23A 500V (A)
2000
Rated breaking cap. ICN AC-23A 690V (A)
2000
Rated fused short-ckt current back-up fuse opt 1 (A)
250
Rated fused short-ckt current back-up fuse opt 2 (A)
315
Rated fused short-ckt current peak value (kA)
26
Rated fused short-ckt current RMS Ik opt 1 (kA)
100
Rated fused short-ckt current RMS Ik opt 2 (kA)
50
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
12
Rated insulation volt. Ui (V)
1000
Rated operational current AC-21A 415V (A)
250
Rated operational current AC-21A 500V (A)
250
Rated operational current AC-21A 690V (A)
250
Rated operational current AC-22A 415V (A)
250
Rated operational current AC-22A 500V (A)
250
Rated operational current AC-22A 690V (A)
250
Rated operational current AC-22A 800V (A)
250
Rated operational current AC-23A 415V (A)
250
Rated operational current AC-23A 500V (A)
250
Rated operational current AC-23A 690V (A)
250
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
132
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
160
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
250
Rated short-ckt. making cap. Icm 415V (kA)
11.4
Rated short-ckt. making cap. Icm 690V (kA)
14
Rated short-time withstand current 1s Icw 1000V (kA)
8
Rated short-time withstand current 1s Icw 415V (kA)
6.5
Rated therm. current Ithe (A)
315
Rated therm. current Ith (A)
315
Short product description
Isolating switch 3x250A IP66
Switch type
Load Break Switch
Technical name
3x250A 400V 132kW
Terminals bolt size (Cu mm²)
M8
Volume
38.304 l
Width
380 mm

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
108 mm
Package size 1 GTIN code
6419410329740
Package size 1 height
262 mm
Package size 1 volume
4.584 l
Package size 1 weight
2.5943 kg
Package size 1 width
162 mm
Sales unit
1

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