1 1

KU 4250WCO SV

Change-over switch 1-0-2 4x250A with direct handle

KU 4250WCO SV

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
20538
E-number FI
3609215
GTIN
6419410205389
Rated operational current AC-22A 415V (A)
250
Rated operational current AC-22A 690V (A)
250
Download Product Datasheet

Looking for more information about this product?

Our team is here to help.

 View full details

Product details and documents

Technical data

delivery_time
10
Depth
150 mm
ETIM Class
EC000216
E-number FI
3609215
GTIN
6419410205389
Height
193 mm
Max. term. torque (Nm)
15..22
Mech. endurance (no. of oper.)
16000
Net weight
4.2262 kg
Nom. values w/cable size (mm²)
120
Number of poles
4
Product type
KU 4250WCO SV
Rated breaking cap. ICN AC-23A 415V (A)
2000
Rated breaking cap. ICN AC-23A 500V (A)
2000
Rated breaking cap. ICN AC-23A 690V (A)
2000
Rated fused short-ckt current back-up fuse opt 1 (A)
250
Rated fused short-ckt current back-up fuse opt 2 (A)
315
Rated fused short-ckt current peak value (kA)
26
Rated fused short-ckt current RMS Ik opt 1 (kA)
100
Rated fused short-ckt current RMS Ik opt 2 (kA)
50
Rated fused short-ckt. impulse withstand volt. Uimp (kV)
12
Rated insulation volt. Ui (V)
1000
Rated operational current AC-21A 415V (A)
250
Rated operational current AC-21A 500V (A)
250
Rated operational current AC-21A 690V (A)
250
Rated operational current AC-22A 415V (A)
250
Rated operational current AC-22A 500V (A)
250
Rated operational current AC-22A 690V (A)
250
Rated operational current AC-22A 800V (A)
250
Rated operational current AC-23A 1000V (A)
135
Rated operational current AC-23A 415V (A)
250
Rated operational current AC-23A 500V (A)
250
Rated operational current AC-23A 690V (A)
250
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 415V (kW)
132
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 500V (kW)
160
Rated oper. power 3-ph 1500rpm SQ cage motor AC-23A 690V (kW)
250
Rated short-ckt. making cap. Icm 690V (kA)
14
Rated short-time withstand current 1s Icw 1000V (kA)
8
Rated therm. current Ith (A)
315
Short product description
Change-over switch 1-0-2 4x250A with direct handle
Switch type
Load Break Switch
Technical name
4x250A 690V AC-22
Terminals bolt size (Cu mm²)
M8
Volume
5.5584 l
Width
192 mm

Dimensional drawing

Logistical data

Package size 1
1
Package size 1 depth
150 mm
Package size 1 GTIN code
6419410205389
Package size 1 height
193 mm
Package size 1 volume
4.3425 l
Package size 1 weight
4.2262 kg
Package size 1 width
150 mm
Sales unit
1

Downloadables

Unlock content

We continuously improve our products; specifications, features and appearances may change without prior notice.

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

Contact us

Latest News & Insights

1 3