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Load break switch 3x40A 1NO

KU 340NO

Load break switch 3x40A 1NO

Katko LoadSafe load break switches 16–40A are compact and versatile solutions designed for efficient load switching in smaller electrical systems. Available in 2-, 3-, 4-, 6- and 8-pole versions. The robust switch design and silver-contact technology ensure safe and durable operation in demanding environments.

The load break switches are VDE-approved and independently tested by third parties, ensuring compliance with international quality and safety standards. Manufactured in Finland, these switches and accessories provide high performance and installation efficiency, helping you build durable power distribution solutions.

E-number FI
3662333
GTIN
6419410260074
Rated operational current AC-22A 415V (A)
40
Rated operational current AC-22A 690V (A)
40
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Product details and documents

Technical data

Depth
84 mm
ETIM Class
EC000216
E-number FI
3662333
GTIN
6419410260074
Height
62.5 mm
Long product name
Rotary switch, 3-pole, Fixed 1NO auxiliary contact
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
50000
Net weight
0.11 kg
Nom. values w/cable size (mm²)
16
Number of poles
3
Product type
KU 340NO
Rated breaking cap. ICN AC-23A 415V (A)
320
Rated breaking cap. ICN AC-23A 500V (A)
200
Rated breaking cap. ICN AC-23A 690V (A)
200
Rated fused short-ckt current back-up fuse opt 1 (A)
40
Rated fused short-ckt current peak value (kA)
4.5
Rated fused short-ckt current RMS Ik opt 1 (kA)
25
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
40
Rated operational current AC-21A 500V (A)
40
Rated operational current AC-21A 690V (A)
40
Rated operational current AC-22A 415V (A)
40
Rated operational current AC-22A 500V (A)
40
Rated operational current AC-22A 690V (A)
40
Rated operational current AC-23A 415V (A)
40
Rated operational current AC-23A 500V (A)
25
Rated operational current AC-23A 690V (A)
25
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
22
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
15
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
22
Rated short-ckt. making cap. Icm 690V (kA)
1
Rated short-time withstand current 1s Icw 690V (kA)
0.7
Rated therm. current Ith (A)
63
Short product description
Load break switch 3x40A 1NO
Switch type
Load Break Switch
Technical name
3x40A 690V AC-22
Terminals bolt size (Cu mm²)
1,5..16
Volume
0.2468 l
Width
47 mm

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
84 mm
Package size 1 GTIN code
6419410260074
Package size 1 height
62.5 mm
Package size 1 volume
0.441 l
Package size 1 weight
0.1056 kg
Package size 1 width
84 mm
Sales unit
1

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