Got scheduled maintenance in the diary? Safely isolate part of a circuit for servicing with this 3-pole, non-fused isolator switch from ABB. It's used to disconnect power from a circuit breaker or transformer simply by turning it to the correct position. The device snaps directly onto your DIN rail, so installation is done in a flash. If you want to mount it securely on a surface, horizontally or vertically, you can use the two screw holes at the top and bottom.

• No need to fiddle around replacing a fuse after use, simply turn it back on
• Compact dimensions of just 68 (L) x 56 (D) x 35mm (W) fit into a small space easily
• IP20-rated, so it's touch-proof and resistant to dust and objects greater than 12mm
• Maximum operating temperature of +40°C withstands a hot enclosure without issue

• Motor control centres
• Switchboards
• Industrial automation

Like any electrical equipment, it needs periodic checks to ensure it's working properly. The unit's maintenance requirements are typically lower than a fused isolator switch, as there's no fuse element to inspect or replace.

The OT range of switch disconnectors are suitable for use in a variety of applications including motor control centres, switchboards and as main switches in machines.