Safety Switch Isolator AC-21:250A A4 enclosed AL 4-pole

• IP65; Enclosure types A4, A5
• IK10: A4, A5 (Degree of mechanical impact)
• Excellent for hard weather conditions
• Wide operating temperature range
• Good resistance against many chemicals
• Good UV resistance
• Padlockable
• Door interlock with defeat mechanism
• Tested according to IEC 60947-3

• AC-21 (400 V, 415 V, 690 V): Ie = 250A
• AC-22 (400 V, 415 V, 690 V): Ie = 250 A*
• AC-23 (400 V, 415 V): Ie = 250 A; P = 132 kW
• AC-23 (690 V): Ie = ; P =

About Katko

Katko is a specialised manufacturer of modern load break switches. Katko produces a wide range of load break switches, switch fuses, safety switches and motor protection switches as well as accessories for them - in its highly automated manufacturing facilities both in Finland and Poland.

Katko's product portfolio also covers a full range of enclosed switches in polycarbonate, ABS, aluminium, stainless steel and sheet steel to match all EMC and ATEX specifications in whatever area.

One of Katko's strengths is the expertise in designing and producing modifications.

Katko switches are used in a broad spectrum of applications and industries - ranging from:
Food Industry, Clean Air, Heavy Industry, Hazardous and Demanding Areas, Power Distribution to Renewable Energy - just a few areas where Katko switches are in use.