Engineered for controlled motor starting, Katko star-delta motor control switches enable reduced inrush current and smooth startup in motor-driven applications. They support safe and reliable operation where controlled acceleration and mechanical stress reduction are essential.
Used in industrial machinery and building systems, these switches are designed to withstand frequent operation and demanding conditions, combining durability, clear switching positions, and long service life.
Technical data
Cable entries
3 x M25 (11,0-17,0 mm), metal; 1 x plug, metal; 1 x plug, metal
Depth
79.5 mm
EMC
false
Enclosure
A2 (104 x 159 x 80 mm)
Enclosure type
Aluminium
ETIM Class
EC000216
E-number FI
3620266
GTIN
6419410345108
Height
158.5 mm
IP rating
IP66
Long product name
Star-delta switch, 3-pole, Aluminum enclosure; W104 x H158.5 x D79.5, Cable entries: 3 x M25 (11,0-17,0 mm), metal; 1 x plug, metal; 1 x plug, metal
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
20000
Net weight
1.1365 kg
Nom. values w/cable size (mm²)
10
Number of poles
3
Product type
TKK 325TK A2 3XM25M KST25M KST16M
Rated breaking cap. ICN AC-23A 415V (A)
200
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
690
Rated operational current AC-21A 415V (A)
25
Rated operational current AC-22A 415V (A)
25
Rated operational current AC-23A 415V (A)
25
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
11
Rated short-ckt. making cap. Icm 415V (kA)
1.5
Rated short-time withstand current 1s Icw 415V (kA)
1.1
Rated therm. current Ithe (A)
40
Rated therm. current Ith (A)
40
Short product description
Isolating switch 3x25A IP66
Switch type
Cam Switch
Technical name
3x25A 400V 11kW
Terminals bolt size (Cu mm²)
1,5..16
Volume
1.3105 l
Width
104 mm
Dimensional drawing
Logistical data
Package size 1
1
Package size 1 depth
170 mm
Package size 1 GTIN code
6419410239445
Package size 1 height
400 mm
Package size 1 volume
20.4 l
Package size 1 weight
9.525 kg
Package size 1 width
300 mm
Sales unit
1
Downloadables
- Dimensional drawings media (546482753714541f21cf08cf920f10215708a73f_IsoSafe_A2_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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