Designed for safe and reliable power source switching, Katko enclosed changeover switches (16-160A) ensure uninterrupted operation where continuity of supply is essential. They are engineered for clear operation and long-term durability.
Used in applications ranging from backup power systems to industrial installations, these switches provide dependable performance with straightforward installation and maintenance.
E-number FI
GTIN
6419410345948
Rated operational current AC-23A 415V (A)
25
Enclosure type
Polycarbonate
Enclosure
M2 (96 x 130 x 74 mm)
Looking for more information about this product?
Our team is here to help.

Product details and documents
Technical data
Cable entries
3 x M25 (11,0-17,0 mm), plastic
Depth
104 mm
EMC
false
Enclosure
M2 (96 x 130 x 74 mm)
Enclosure type
Polycarbonate
ETIM Class
EC000216
E-number FI
3620264
GTIN
6419410345948
Height
130 mm
IP rating
IP66
Long product name
4-pole, 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
Net weight
0.624 kg
Nom. values w/cable size (mm²)
10
Number of poles
4
Product type
TKM 425VV M2 3XM25P
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
Change-over switch 4x25A IP66
Switch type
Cam Switch
Technical name
4x25A 400V 11kW
Terminals bolt size (Cu mm²)
1,5..16
Volume
1.2979 l
Width
96 mm
Dimensional drawing
Logistical data
Package size 1
1
Package size 1 depth
106 mm
Package size 1 GTIN code
6419410345733
Package size 1 height
130.4 mm
Package size 1 volume
1.3325 l
Package size 1 width
96.4 mm
Sales unit
1
Downloadables
- Dimensional drawings media (IsoSafe_M2_Dim.png)
- Brochures (Katko IsoSafe Catalogue - Safety Switches & Isolators)
- Brochures (Katko IsoSafe Tuoteluettelo - Turvakytkimet FI)
- Brochures (Katalog Wyrobów KATKO IsoSafe – Wyłączniki bezpieczeństwa i rozłączniki PL)
- STEP files (IsoSafe_M2.zip)
- DWG files (IsoSafe_M2_LK10.zip)
- Installation manuals (KATKO_IsoSafe_TKM_installation_manual_39.pdf)
Related accessories
Not finding what you're looking for? We're here to help!
We can assist you with technical support, quote or tailoring options for this product
Latest News & Insights
-
The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
6.2.2025 -
Product Update: Extended Cable Range for 95-Series Connectors
30.10.2025 -
Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
17.9.2024 -
New Front Plate for KU 16–40A Switch Series
26.8.2025 -
KATKO Strengthens Presence in UK: Ian Bullock Appointed Sales Director
10.11.2025 -
KATKO Strengthens Presence in Sweden: Kim Rannanjärvi Appointed Sales Manager
28.7.2025 -
Katko Products Available on EPLAN Data Portal
14.9.2023 -
KATKO LoadSafe Product Family – New Additions, Now Available
14.1.2025 -
KATKO KL Terminal Blocks Comply with the Requirements of the IEC TS 60947-7-5 Technical Specification
29.4.2025 -
KATKO Has Published Its First 'Sustainability at KATKO' Report
8.11.2024
1
/
z
3