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KU 340N

Load break switch 3x40A

KU 340N

Katko LoadSafe load break switches 16–125 A (N) provide reliable and efficient load interruption for a wide range of electrical distribution applications. Available in 2-, 3-, 4-, 6- and 8-pole versions and compatible with a wide range of accessories, they offer excellent flexibility for both standard installations and demanding industrial use. Switch technology based on silver contacts ensures safe and durable operation, while advanced contact and mechanical design deliver smooth performance, long service life and dependable reliability over time.

E-number FI
3635101
GTIN
6419410214503
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

Ampere rating 600V
40.0
Depth
75 mm
ETIM Class
EC000216
E-number FI
3635101
GTIN
6419410214503
Height
73 mm
HP 208V
7.5
HP 480V
20.0
HP 600V
15.0
Long product name
Rotary switch, 3-pole
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
50000
Net weight
0.1931 kg
Nom. values w/cable size (mm²)
16
Number of poles
3
Product type
KU 340N
Rated breaking cap. ICN AC-23A 415V (A)
320
Rated breaking cap. ICN AC-23A 500V (A)
256
Rated breaking cap. ICN AC-23A 690V (A)
256
Rated fused short-ckt current back-up fuse opt 1 (A)
40
Rated fused short-ckt current peak value (kA)
6
Rated fused short-ckt current RMS Ik opt 1 (kA)
50
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
63
Rated operational current AC-21A 500V (A)
63
Rated operational current AC-21A 690V (A)
63
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)
32
Rated operational current AC-23A 690V (A)
32
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)
22
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
30
Rated short-ckt. making cap. Icm 690V (kA)
2.5
Rated short-time withstand current 1s Icw 690V (kA)
1.7
Rated therm. current Ith (A)
63
Short product description
Load break switch 3x40A
Switch type
Load Break Switch
Technical name
3x40A 690V AC-22
Terminals bolt size (Cu mm²)
1,5..16
UL
UL 60947-4-1A
Volume
0.2738 l
Width
50 mm
Wire size Cu
14-8 AWG

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
75 mm
Package size 1 GTIN code
6419410214503
Package size 1 height
73 mm
Package size 1 volume
0.4106 l
Package size 1 weight
0.1931 kg
Package size 1 width
75 mm
Sales unit
1

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