Katko IsoSafe side-operated aluminium isolators are robust solutions for demanding industrial environments where mechanical strength and reliable isolation are essential. The aluminium enclosure provides high impact resistance, good corrosion protection and wide operating temperature capability, making it suitable for both indoor and outdoor use.
Fully rated load break performance, padlockable handle positions and flexible cable entry options support safe and efficient operation. Designed to meet international standards, IsoSafe aluminium isolators deliver long service life and dependable performance in heavy-duty applications.
Technical data
Cable entries
2 x M25 (11,0-17,0 mm), metal; 1 x plug, metal
Depth
79.5 mm
EMC
false
Enclosure
A2S (102.5 x 157 x 79.5)
Enclosure type
Aluminium
ETIM Class
EC000216
E-number FI
3630356
GTIN
6419410303818
Height
157 mm
IP rating
IP66
Long product name
Side-operated safety switch, 3-pole, Aluminum enclosure; W102.5 x H157 x D79.5, Yellow enclosure, Label: "Kaasupoltin", Signal lamp, Cable entries: 2 x M25 (11,0-17,0 mm), metal; 1 x plug, metal
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
20000
Net weight
1.699 kg
Nom. values w/cable size (mm²)
4
Number of poles
3
Product type
KE 325 AKM A2S 2XM25M 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)
800
Rated operational current AC-21A 415V (A)
25
Rated operational current AC-21A 500V (A)
25
Rated operational current AC-21A 690V (A)
25
Rated operational current AC-22A 415V (A)
25
Rated operational current AC-22A 500V (A)
25
Rated operational current AC-22A 690V (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)
1.6
Rated short-time withstand current 1s Icw 415V (kA)
1.1
Rated therm. current Ithe (A)
25
Rated therm. current Ith (A)
25
Short product description
Isolating switch 3x25A IP66
Switch type
Load Break Switch
Technical name
3x25A 400V 11kW
Terminals bolt size (Cu mm²)
1,5..16
Volume
1.2794 l
Width
102.5 mm
Dimensional drawing
Logistical data
Package size 1
1
Package size 1 depth
250 mm
Package size 1 GTIN code
6419410303818
Package size 1 height
800 mm
Package size 1 volume
120 l
Package size 1 weight
1.699 kg
Package size 1 width
600 mm
Sales unit
1
Downloadables
- Dimensional drawings media (IsoSafe_A2S_Dim.png)
- Connection diagram media (KATKO_KU3P_diagram)
- 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_A2_LK10__2.zip)
- DWG files (IsoSafe_A2S_LKKE.zip)
Latest News & Insights
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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 -
Introducing the Refreshed LK10 handle: New Fresh Design, Same Trusted Performance
2.9.2024 -
Discontinuation of 3-pole EVA and VKA 80–160A Switches
23.6.2025
