ABB OT isolators are physically smaller in sizes than other brands, this compact design allows less space to be used up inside a control panel. They are available in 3 or 4 pole variations with 6 and 8 pole versions available to order.  Current ratings of 16A to 125A with higher rated versions available on request.

Available in two mounting types:

• Base mount version which can either be mounted onto din rail or can be fixed directly onto the base plate of a control panel or enclosure using the fixing holes. This version requires an extension shaft and a handle.
  
• Door mount version which mounts directly onto the back of a panel door. This version requires a handle.

• Door interlocked switch disconnector / load break switch.
  
• Handle and extension shaft (for base mount version) must be ordered separately CLICK HERE to view.
  
• Other accessories available like auxiliaries and terminal shrouds.
  
• Compact and lightweight design starting at just 54x48x56mm HxWxD for a 16A version.
  
• Manufacturer: ABB
  
• Guarantee: 3 years
  

Approved to IEC60947-3 and UL508.

3 Pole Base Mount

• OT16F3 / 1SCA104811R1001 / 16A
  
• OT25F3 / 1SCA104857R1001 / 25A
  
• OT40F3 / 1SCA104902R1001 / 40A
  
• OT63F3 / 1SCA105332R1001 / 63A
  
• OT80F3 / 1SCA105798R1001 / 80A
  
• OT100F3 / 1SCA105004R1001 / 100A
  
• OT125F3 / 1SCA105033R1001 / 125A

• OT16F4N2 / 1SCA104829R1001 / 16A
• OT25F4N2 / 1SCA104886R1001 / 25A
• OT40F4N2 / 1SCA104932R1001 / 40A
• OT63F4N2 / 1SCA105365R1001 / 63A
• OT80F4N2 / 1SCA105413R1001 / 80A
• OT100F4N2 / 1SCA105018R1001 / 100A
• OT125F4N2 / 1SCA105051R1001 / 125A

3 Pole Door Mount

• OT16FT3 / 1SCA104838R1001 / 16A
• OT25FT3 / 1SCA104884R1001 / 25A
• OT40FT3 / 1SCA104940R1001 / 40A
• OT63FT3 / 1SCA105382R1001 / 63A
• OT80FT3 / 1SCA105431R1001 / 80A
• OT100FT3 / 1SCA105023R1001 / 100A
• OT125FT3 / 1SCA105060R1001 / 125A

4 Pole Door Mount

• OT16FT4N2 / 1SCA105711R1001 / 16A
• OT25FT4N2 / 1SCA104900R1001 / 25A
• OT40FT4N2 / 1SCA104956R1001 / 40A
• OT63FT4N2 / 1SCA105393R1001 / 63A
• OT80FT4N2 / 1SCA105499R1001 / 80A
• OT100FT4N2 / 1SCA105031R1001 / 100A
• OT125FT4N2 / 1SCA105066R1001 / 125A