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.
GTIN
6419410304631
Rated operational current AC-23A 415V (A)
16
Enclosure type
Aluminium
Enclosure
A2S (102.5 x 157 x 79.5)

Product details and documents
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
GTIN
6419410304631
Height
157 mm
IP rating
IP66
Long product name
Side-operated safety switch, 4-pole, Yellow-red handle, Aluminum enclosure; W102.5 x H157 x D79.5, 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
1.7707 kg
Nom. values w/cable size (mm²)
2.5
Number of poles
4
Product type
KE 416 AYR A2S 2XM25M KST16M
Rated breaking cap. ICN AC-23A 415V (A)
128
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
16
Rated operational current AC-21A 500V (A)
16
Rated operational current AC-21A 690V (A)
16
Rated operational current AC-22A 415V (A)
16
Rated operational current AC-22A 500V (A)
16
Rated operational current AC-22A 690V (A)
16
Rated operational current AC-23A 415V (A)
16
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
7.5
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)
16
Rated therm. current Ith (A)
16
Short product description
Isolating switch 4x16A IP66
Switch type
Load Break Switch
Technical name
4x16A 400V 7.5kW
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
124 mm
Package size 1 GTIN code
6419410349830
Package size 1 height
369 mm
Package size 1 volume
7.321 l
Package size 1 weight
3.1864 kg
Package size 1 width
160 mm
Sales unit
1
Downloadables
- Dimensional drawings media (527047fbb4ebd3cb85b222c40560d5517e760c22_IsoSafe_A2S_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)
- Installation manuals (7d993f4bc609eb260e60dfb857cd8379a57d7317_KATKO_IsoSafe_KE_16_40A_installation_manual_45.pdf)
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
-
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
1
/
z
3