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.
GTIN
Rated operational current AC-23A 415V (A)
Enclosure type
Enclosure
Technical data
Cable entries
3 x M25 (11,0-17,0 mm), plastic
Depth
106 mm
EMC
false
Enclosure
M2 (96 x 130 x 74 mm)
Enclosure type
Polycarbonate
ETIM Class
EC000216
GTIN
6419410345641
Height
130.4 mm
IP rating
IP66
Long product name
Star-delta switch, 3-pole, Yellow-red handle, Polycarbonate enclosure; W96.4 x H130.4 x D106, Cable entries: 3 x M25 (11,0-17,0 mm), plastic
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
20000
Nom. values w/cable size (mm²)
10
Number of poles
3
Product type
TKM 340TK YR M2 3XM25P
Rated breaking cap. ICN AC-23A 415V (A)
320
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
690
Rated operational current AC-21A 415V (A)
40
Rated operational current AC-22A 415V (A)
40
Rated operational current AC-23A 415V (A)
40
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
18.5
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
Star delta switch 3x40A IP66
Switch type
Cam Switch
Technical name
3x40A 400V 18.5kW
Terminals bolt size (Cu mm²)
1,5..16
Volume
1.3325 l
Width
96.4 mm
Dimensional drawing
Logistical data
Package size 1
1
Package size 1 depth
120 mm
Package size 1 GTIN code
6419410295793
Package size 1 height
200 mm
Package size 1 volume
3.6 l
Package size 1 width
150 mm
Sales unit
1
Downloadables
- Dimensional drawings media (8f08801aed79a1e088e56aa7b70ef3f5a1778766_IsoSafe_M2_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)
Related accessories
-
Protective roof for M2 enclosures, AlZn
Product typeKSL10
Latest News & Insights
-
Discontinuation of 3-pole EVA and VKA 80–160A Switches
23.6.2025 -
Introducing the Refreshed LK10 handle: New Fresh Design, Same Trusted Performance
2.9.2024 -
KATKO Has Published Its First 'Sustainability at KATKO' Report
8.11.2024 -
KATKO KL Terminal Blocks Comply with the Requirements of the IEC TS 60947-7-5 Technical Specification
29.4.2025 -
KATKO LoadSafe Product Family – New Additions, Now Available
14.1.2025 -
Katko Products Available on EPLAN Data Portal
14.9.2023 -
KATKO Strengthens Presence in Sweden: Kim Rannanjärvi Appointed Sales Manager
28.7.2025 -
KATKO Strengthens Presence in UK: Ian Bullock Appointed Sales Director
10.11.2025 -
New Front Plate for KU 16–40A Switch Series
26.8.2025 -
Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
17.9.2024 -
Product Update: Extended Cable Range for 95-Series Connectors
30.10.2025 -
The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
6.2.2025
