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Load break switch 3x40A 1NO UL-listed

LSF 340NOUL

Load break switch 3x40A 1NO UL-listed

Katko UL/cUL listed LoadSafe load break switches 16–40A are compact solutions for safe and reliable load switching in industrial and building installations. Designed for smaller current ranges, they provide clear disconnection and dependable operation where space efficiency and compliance are essential. Certified according to UL and CSA requirements and compliant with UL 60947-4-1A, these switches support safe and consistent power control.

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
3663132
GTIN
6419410347195
Ampere rating 600V
40
HP 600V
20
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Product details and documents

Technical data

Ampere rating 600V
40.0
Depth
63 mm
ETIM Class
EC000216
E-number FI
3663132
GTIN
6419410347195
Height
84 mm
HP 208V
5.0
HP 240V
10.0
HP 480V
15.0
HP 600V
20.0
Long product name
UL-listed, Rotary switch, 3-pole, Fixed 1NO auxiliary contact
Max. term. torque (Nm)
1.8
Mech. endurance (no. of oper.)
50000
Nom. values w/cable size (mm²)
16
Number of poles
3
Product type
LSF 340NOUL
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 UL-listed
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
0.2487 l
Width
47 mm
Wire size Cu
14-8 AWG

No dimensional drawings available for this product.

Dimensional drawing

No dimensional drawings available for this product.

Logistical data

Package size 1
1
Package size 1 depth
63 mm
Package size 1 GTIN code
6419410347195
Package size 1 height
84 mm
Package size 1 volume
0.3334 l
Package size 1 width
63 mm
Sales unit
1

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