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KU 3125CO

Change-over switch 1-0-2 3x125A

KU 3125CO

Katko LoadSafe changeover switches 160–800A are high-capacity solutions designed for demanding industrial and power distribution applications where continuity of supply is critical. They support reliable switching between power sources in high-current systems.

Built for durability and long-term performance, these switches deliver dependable operation in installations where safety, reliability and uptime cannot be compromised.

Product Number
20359
E-number FI
3600805
GTIN
6419410203590
Rated operational current AC-22A 415V (A)
125
Rated operational current AC-22A 690V (A)
125
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Technical data

delivery_time
10
Depth
100 mm
ETIM Class
EC000216
E-number FI
3600805
GTIN
6419410203590
Height
103 mm
Max. term. torque (Nm)
6
Mech. endurance (no. of oper.)
16000
Net weight
1.1434 kg
Nom. values w/cable size (mm²)
70
Number of poles
3
Product type
KU 3125CO
Rated breaking cap. ICN AC-23A 415V (A)
1000
Rated breaking cap. ICN AC-23A 500V (A)
640
Rated breaking cap. ICN AC-23A 690V (A)
640
Rated fused short-ckt current back-up fuse opt 1 (A)
160
Rated fused short-ckt current peak value (kA)
15
Rated fused short-ckt current RMS Ik opt 1 (kA)
65
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
8
Rated insulation volt. Ui (V)
800
Rated operational current AC-21A 415V (A)
160
Rated operational current AC-21A 500V (A)
160
Rated operational current AC-21A 690V (A)
160
Rated operational current AC-22A 415V (A)
125
Rated operational current AC-22A 500V (A)
125
Rated operational current AC-22A 690V (A)
125
Rated operational current AC-23A 415V (A)
125
Rated operational current AC-23A 500V (A)
80
Rated operational current AC-23A 690V (A)
80
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
55
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
55
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
75
Rated short-ckt. making cap. Icm 690V (kA)
8
Rated short-time withstand current 1s Icw 690V (kA)
5
Rated therm. current Ith (A)
160
Short product description
Change-over switch 1-0-2 3x125A
Switch type
Load Break Switch
Technical name
3x125A 690V AC-22
Terminals bolt size (Cu mm²)
6..70
Volume
1.442 l
Width
140 mm

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
100 mm
Package size 1 GTIN code
6419410203590
Package size 1 height
103 mm
Package size 1 volume
1.03 l
Package size 1 weight
1.1434 kg
Package size 1 width
100 mm
Sales unit
1

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