KATKO

Isolators and Switch Fuses Katko Changeover Switches

Katko's change-over switches – with or without an enclosure, 16-160 A & 630-800 A. Change-over switches, or transfer switches, are used when power source needs to be transferred, for example for the duration of maintenance work.

Low/flush model terminal cover for KU 315-400A switches
E-Number: 3602944
EAN: 6419410300381
For: KU 315-400A

Isolator Enclosed 25A AC21 16A AC23 3P IP66

1 Pole Terminal Cover KU3400

Isolator ABS Encl Std 20A AC23 10A 3P IP66

Isolator Enclosed 16A AC21 3P IP67

Aux 2NO/2NC - KU 3160 6419410300930

Fireman Switch 25Amp AC21 3P+Aux IP66

KATKO KU 3250 L200AD12T6LKX100 - Panel Isolator

250A 3P Isolator, 200mm Shaft+Interlock Handl

Switch Fuse Enclosed 125A AC23 3P+N

25A 3P ISOL. FIRE RATED ALUMINIUM ENCL.

Isolator ABS Encl Std 25A AC23 16A 3P IP66

Isolator Enclosed 25A AC21 3P IP67

2 Pole Isolator U2 Enclosed

KETKO KU 3400 LVK228LKX150 - 400A 3P Isolator

400A 3P Isolator, 228mm Shaft+Interlock Handl

Switch Fuse 125A AC23 3P c/w Handle/Shaft NH

Isolator Enclosed Aluminium 40A AC21 3P IP66

Isolator Enclosed Aluminium 25A AC21 16A IP66

Isolator Enclosed Aluminium 40A AC21 4P IP66

Isolator Enclosed Aluminium 63A AC21 4P IP66

Isolator Enclosed Aluminium 80A AC21 3P IP66

Aluminium Enc Yell/Red 3p Ac21 100a Ac23 63a

Isolator ABS Encl Std 40A AC23 25A 3P IP66

Isolator ABS Encl Std 63A AC23 40A 3P IP66

Isolator Encl 3P AC1 20A/AC3 10A G/B

Isolator Enclosed 20A AC21 10A AC23 3P IP66

Isolator Encl Std 25A AC21 16A AC23 3P G/B

Isolator Encl Std 40A AC21 16A AC23 3P G/B

Isolator Enclosed L 200A AC21 135A AC23 3P IP66

Isolator Enclosed 40A AC21 25A AC23 3P IP66

Isolator Enclosed L 40A AC21 25A AC23 3P IP66

Isolator Encl 3P 40A AC3 poly m2 G/B

Isolator Enclosed 63A AC21 40A AC23 3P IP66

Isolator Enclosed L 63A AC21 40A AC23 3P IP66

Isolator Enclosed L 80A AC21 40A AC23 3P IP66

Isolator Enclosed L 100A AC21 63A AC23 3P IP66

Isolator Enclosed 20A AC21 10A AC23 4P IP66

Isolator Enclosed 125A AC23/ 160 AC21 4P IP66

Isolator Enclosed 25A AC21 4P IP66

Isolator Enclosed 40A AC21 25A AC23 4P IP66

Isolator Enclosed 63A AC21 4P IP66

Isolator Enclosed L 80A AC21 40A AC23 4P IP66

Isolator Enclosed 100A AC21 4P IP66

Isolator Encl 3P 40A AC21/25A AC23 35151

Isolator Enclosed 63A AC21 40A AC23 6P IP66

Isolator Enclosed 100A AC21 63A AC23 6P IP66

Isolator EMC Protected 40a ac21/ 25a ac23 3P

Isolator EMC Protected 63a AC21 /40a AC23 3P

Isolator EMC Protected 80a ac21/ 40a ac23 3P

Isolator Enclosed 200A AC21 4P IP66

Isolator Enclosed 200A AC21 135A AC23 6P IP66

Isolator Enclosed 16A AC21 4P IP67

Isolator Enclosed 25A AC21 4P IP67

AC21 125A / 100A 3Phase Isolator

ENCLOSED ISOLATOR 16AMP AC23 3 POLE (UL) RAT.

3 POLE 250AMP POLY. Isolator Enclosed MF03

Isolator Encl St/St 25A AC21 16A AC23 3P IP66 S/R

Isolator Stainless Steel 25A AC21 4P IP66

Isolator Stainless Steel 63A AC21 4P IP66

Isolator Stainless Steel 100A AC21 4P IP66

Isolator 25A AC21 16A AC23 3P Din/Mod

Isolator 40A AC21 25A AC23 3P Din/Mod

Isolator 63A AC21 40A AC23 3P Din/Mod

Isolator 80A AC21 63A AC23 3P Din/Mod

Isolator 100A AC21 63A AC23 3P Din/Mod

Isolator 125A AC21 63A AC23 3P Din/Mod

Isolator 125A AC21 63A AC23 4P Din/Mod

Isolator 40A AC21 25A AC23 4P Din/Mod

Isolator 63A AC21 40A AC23 4P Din/Mod

Isolator 80A AC21 63A AC23 4P Din/Mod

Isolator 100A AC21 80A AC23 4P Din/Mod

Isolator AC23 16A 4P Rotary switch

Isolator 25A AC21 16A AC23 3P Door Mtd

Isolator 40A AC21 25A AC23 3P Door/Mtd 21440

Isolator 250Amp 3 Pole C/W Hndle,shaft & t/c

Isolator 125A AC23 3P c/w Handle/Shaft

Isolator 160A AC23 3P c/w Handle/Shaft

Isolator 250A AC23 3P c/w Handle/Shaft

Isolator 630A AC23 3P c/w Handle/Shaft

Isolator 160A AC23 4P c/w Handle/Shaft

Isolator 400A AC23 4P c/w Handle/Shaft

Isolator 630A AC23 4P c/w Handle/Shaft

Switch Fuse Enclosed 125A AC23 3P+N

Switch Fuse Enclosed 250A NH-400*600

SWITCH FUSE ENCLOSED 400A

Stainless Steel 4P 40A Isolator Sloped Roof

Stainless Steel 4P 25A Isolator Sloped Roof

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Specifications

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Isolators, Switch Fuses & Katko Changeover Switches

Reliable power control solutions for industrial and commercial use.

Isolators: Safe circuit disconnection with IP65-rated enclosures and clear on/off indication.
Switch Fuses: Compact units combining switching and fuse protection for critical loads.
Katko Changeover Switches: Seamless power transfer between mains and backup sources, available in manual or motorized versions.

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New on the Market: RKA Aluminium Terminal Blocks for Copper and Aluminium Conductors

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My favourites	Articles	Price
	Isolator Enclosed Aluminium 25A AC21 3P Art: KEA 316 YR A2 Copied
	Isolator Abs Encl Std 20A Ac23 10A 3P Art: ABSKEM310UYR Copied
	Isolator Enclosed 16A AC21 3P IP67 Art: KSM316 Copied
	Aux 2NO/2NC - KU 3160 6419410300930 Art: 2V160KU Copied
	Fireman Switch Encl 25A AC21 3P+Aux IP66 Art: KEF 316S A A2S Copied
	250A 3P Isolator, 200mm Shaft+Interlock Handl Art: KU 3250 L200AD12T6LKX100 Copied
	1 Pole Terminal Cover KU3400 Art: LS400F Copied
	Switch Fuse Enclosed 125A AC23 3P+N Art: ESF125 Copied
	25A 3P ISOL. FIRE RATED ALUMINIUM ENCL. Art: KEA 325 FR A2 Copied
	Isolator Abs Encl Std 25A Ac23 16A 4811 Art: ABSKEM316UYR Copied
	Isolator Enclosed 25A AC21 3P IP67 Art: KSM325 Copied
	2 Pole Isolator U2 Enclosed Art: KEM 210 YR M2 Copied
	400A 3P Isolator, 228mm Shaft+Interlock Handl Art: KU 3400 LVK228LKX150 Copied
	Switch Fuse 125A AC23 3P c/w Handle/Shaft NH Art: KVKE 3125 L220AD12TLK12 SS Copied
	Isolator Enclosed Aluminium 40A AC21 3P Art: KEA 325 YR A2 Copied
	Isolator Enclosed Aluminium 25A AC21 16A Art: KEA 416 YR A2 Copied
	Isolator Enclosed Aluminium 40A AC21 4P Art: KEA 425 YR A2 Copied
	Isolator Enclosed Aluminium 63A AC21 4P Art: KEA 440 YR A2 Copied
	Isolator Enclosed Aluminium 80A AC21 3P Art: KEA363UYR Copied
	Aluminium Enc Yell/Red 3p Ac21 100a Ac23 Art: KEA380UYR Copied
	Isolator Abs Encl Std 40A Ac23 25A 3P Art: ABSKEM325UYR Copied
	Isolator Abs Encl Std 63A Ac23 40A 3P I Art: ABSKEM340UYR Copied
	Isolator Encl 3P AC1 20A/AC3 10A G/B Art: KEM 310 M2 Copied
	Isolator Enclosed 20A AC21 10A AC23 3277 Art: KEM 310 YR M2 Copied
	Isolator Encl Std 25A AC21 16A AC23 3P G Art: KEM 316 M2 Copied
	Isolator Enclosed 40A AC21 25A G/B Art: KEM 325 M2 Copied
	Isolator Enclosed 25A AC21 16A AC23 3277 Art: KEM 316 YR M2 Copied
	Isolator Enclosed L 160A AC21/AC23 3P IP Art: KEM 3160 YR MF11 Copied
	Isolator Enclosed 40A AC21 25A AC23 3277 Art: KEM 325 YR M2 Copied
	Isolator Encl YEL L 40A AC21 25A 35150 Art: KEM 325 YR M3 Copied
	Isolator Encl 3P 63A AC21 40A AC3 U2 G/B Art: KEM 340 M2 Copied
	Isolator Enc 63A AC21 40A AC23 3P IP66 3 Art: KEM 340 YR M2 Copied
	Isolator Enc 63A AC21 40A AC23 3P IP66 Art: KEM 340 YR M3 Copied
	Isolator Enclosed L 80A AC21 40A AC23 2 Art: KEM 363 YR M3 Copied
	Isolator Enclosed L 100A AC21 63A AC23 3 Art: KEM 380 YR M3 Copied
	Isolator Enclosed 20A AC21 10A AC23 4P I Art: KEM 410 YR M2 Copied
	Isolator Enclosed 125A AC23/ 160 AC21 4P Art: KEM 4125 YR M4 Copied
	Isolator Enclosed 25A AC21 4P 32774 Art: KEM 416 YR M2 Copied
	Isolator Enclosed 40A AC21 25A AC23 4P I Art: KEM 425 YR M2 Copied
	Isolator Enclosed 63A AC21 4P IP66 3277 Art: KEM 440 YR M2 Copied
	Isolator Enclose L 80A AC21 40A AC23 4P Art: KEM 463 YR M3 Copied
	Isolator Enclosed 100A AC21 4P IP66 Art: KEM 480 YR M3 Copied
	6P 40A AC21/25A AC23 ISOLATOR ENCL Art: KEM 625 YR M3 Copied
	Isolator Enclosed 63A AC21 40A AC23 3997 Art: KEM 640 YR M3 Copied
	Isolator Enclosed 100A AC21 63A AC23 6P Art: KEM 680 YR M3 Copied
	Isolator Enclosed L 250A AC21 200A AC23 3P IP66 Art: KEM3250YR Copied
	Isolator EMC Protected 40a ac21/ 25a ac23 3P Art: KEM325UEMC Copied
	Isolator EMC Protected 63a AC21 /40a AC23 3P Art: KEM340UEMC Copied
	Isolator EMC Protected 80a ac21/ 40a ac23 3P Art: KEM363U/EMC Copied
	Isolator Enclosed 200A AC21 4P IP66 Art: KEM4160YR Copied
	Isolator Enclosed 200A AC21 135A AC23 6P IP66 Art: KEM6160YR Copied
	Isolator Enclosed 16A AC21 4P IP67 Art: KSM416 Copied
	Isolator Enclosed 25A AC21 4P IP67 Art: KSM425 Copied
	AC21 125A / 100A 3Phase isolator Art: KEM 3100 YR M4 Copied
	ENCLOSED ISOLATOR 16AMP AC23 3 POLE (UL) Art: KEM 316UL M2 Copied
	3 POLE 250AMP POLY. isolator enclosed MF Art: KEM 3250 YR MF03 Copied
	Isolator Encl St/St 25A AC21 16A AC23 3P Art: KER316RS Copied
	Isolator Stainless Steel 25A AC21 4P IP66 Art: KER416YR Copied
	Isolator Stainless Steel 63A AC21 4P IP66 Art: KER440Y/R Copied
	Isolator Stainless Steel 100A AC21 4P IP66 Art: KER480Y/R Copied
	Isolator 25A AC21 16A AC23 3P Din/Mod Art: KU316N Copied
	Isolator 40A AC21 25A AC23 3P Din/Mod Art: KU325N Copied
	Isolator 63A AC21 40A AC23 3P Din/Mod Art: KU340N Copied
	Isolator 80A AC21 63A AC23 3P Din/Mod Art: KU363N Copied
	Isolator 100A AC21 63A AC23 3P Din/Mod Art: KU380N Copied
	Isolator 125A AC21 63A AC23 3P Din/Mod Art: KU3125N Copied
	Isolator 125A AC21 63A AC23 4P Din/Mod Art: KU4125N Copied
	Isolator 40A AC21 25A AC23 4P Din/Mod Art: KU425N Copied
	Isolator 63A AC21 40A AC23 4P Din/Mod Art: KU440N Copied
	Isolator 80A AC21 63A AC23 4P Din/Mod Art: KU463N Copied
	Isolator 100A AC21 80A AC23 4P Din/Mod Art: KU480N Copied
	Isolator AC23 16A 4P Rotary switch Art: KU416 Copied
	Isolator 16A AC21/AC23 3P Door Mtd Art: RT316L42AD11KX50YR Copied
	Isolator 25A AC21/AC23 3P Door/Mtd 2144 Art: RT325L42AD11KX50YR Copied
	Isolator 250Amp 3 Pole C/W Hndle,shaft & t/c Art: VKA3250LS/VS Copied
	Isolator 250A AC21 250A AC23 c/w Handle/Shaft Art: VKA4250LS/VS Copied
	Isolator 125A AC23 3P c/w Handle/Shaft Art: VKE3125 Copied
	Isolator 160A AC23 3P c/w Handle/Shaft Art: VKE3160 Copied
	Isolator 250A AC23 3P c/w Handle/Shaft Art: VKE3250 Copied
	Isolator 630A AC23 3P c/w Handle/Shaft Art: VKE3630 Copied
	Isolator 160A AC23 4P c/w Handle/Shaft Art: VKE4160 Copied
	Isolator 400A AC23 4P c/w Handle/Shaft Art: VKE4400 Copied
	Isolator 630A AC23 4P c/w Handle/Shaft Art: VKE4630 Copied
	Switch Fuse 63A AC23 3P c/w Handle/Shaft NH Art: KVKE 363 L220AD12TLK12 SS Copied
	Switch Fuse 160A AC23 3P c/w Handle/Shaft NH Art: KVKE3160 Copied
	Switch Fuse 250A AC23 3P c/w Handle/Shaft NH Art: KVKE 3250 LVK228LK14 SS Copied
	Switch Fuse 400A AC23 3P c/w Handle/Shaf Art: KVKE3400 Copied
	Switch Fuse Enclosed 125A AC23 3P+N 395 Art: KVKET 3125 T6 Copied
	Switch Fuse Enclosed 250A NH-400*600 393 Art: KVKET 3250 T6 Copied
	Switch Fuse Enclosed 400A NH- Art: KVKET3400 Copied
	Stainless steel 4P 40A isolator sloped r Art: KER 425 RA2RS 2XKS Copied
	Stainless steel 4P 25A isolator sloped r Art: KER 416 RA2RS 2XKS Copied
	Switch Fuse 125A AC23 3P c/w H/Shaft NH Art: KVKE 3125 L220AD12 Copied
	Isolator Abs Encl Std 40A Ac23 25A 3P Art: ABSKEM325UYR M3 Copied
	Changeover Switch 100A AC21 63A 3P 32066 Art: KEM 380VV M3 Copied
	3 POLE LOAD BREAK SWITCH 160 AMP AC3 Art: KU3160 Copied
	Changeover 2p Switch 100A AC21 63A 3206 Art: KEM 280VV M3 Copied
	Isolator 40 AC21/25 AC23 3P Din/Mod Art: KU325 Copied