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KBU Current Transformer
Four frames with a snap shut and release action, so a large busbar CT can be fitted and removed without dismantling the bar. Up to 80 × 160 mm busbar and 5000 A primary.
- Primary range100 A to 5000 A
- Secondary1 A or 5 A
- Max busbar80 × 160 mm (KBU816)
- ActionSnap shut and release
- FramesKBU23, KBU58, KBU812, KBU816
Product Overview
KBU split core current transformers use a unique snap shut and release action with snap fit secondary terminal covers and insulated ends to the busbar pinch screws. Four frames are published by transformer width, maximum busbar size and primary range.
Application Scenarios
- Retrofit metering on large busbar systems
- Switchboard incomers and risers
- Temporary and permanent load surveys
Technical Features
- Unique snap shut and release action
- Snap fit secondary terminal covers
- Insulated ends to busbar pinch screws
- Split core: no need to dismantle the busbar
Specifications
Frame ladder
| Frame | Width | Max busbar | Primary range |
|---|---|---|---|
| KBU23 | 93 mm | 20 × 30 mm | 100 A to 400 A |
| KBU58 | 125 mm | 50 × 80 mm | 250 A to 1000 A |
| KBU812 | 155 mm | 80 × 120 mm | 250 A to 1500 A |
| KBU816 | 193 mm | 80 × 160 mm | 1000 A to 5000 A |
Questions Buyers Ask
Can a KBU be removed after installation?
Yes, that is the point of the snap shut and release action: it opens again without the busbar being disturbed.
Which frame takes an 80 × 120 mm busbar?
KBU812, covering 250 A to 1500 A primary.
Compare With These Frames
DBP Square Split Core Current Transformer
Primary current 5 A to 5000 A
Secondary current 5 A / 1 A
HK Split Core Current Transformer
Primary current 5 A to 5000 A
Design One button clamp on, open type
Get KBU Current Transformer Quoted Today
Send the ratio, accuracy class, burden and conductor size. An engineer confirms the frame and the price.