ABB 250 A 3P Fused Isolator Switch, B1-B3 Fuse Size

Standard OS Fused Disconnector

The switch fuses from the ABB OS series are available in 3 or 4 pole. These fused switches are easy to use and snap to install, the adjustable mounting feet allow both top and side mounting of the switch fuse.

Supplied with a black plastic ON/OFF handle (OHB45J6 for OS32-63 and OHB65J6 for OS100-160) and adjustable operating shaft (OXP6X161for OS32 to 160)
Lockable handles with 'Test' position are available, 
Fuse carrier protected to IP20, however when mounted correctly in a suitable enclosure and using either the supplied or optional handle, a front panel protection rating of IP65 is achieved
The fuse covers cannot be removed when the switch is in the 'ON' position
Panel or DIN rail mounting
Auxiliary contacts may be fitted to the side
4 Pole (Neutral) non fused