MRCBT MRCBT corvalan (Electrical) (OP) 19 Aug 17 22:01 Does anybody knows what the B in MRCBT stands for? MRCT is MultiRatio CT but I have no idea about the B in MRBCT. Thanks. RE: MRCBT davidbeach (Electrical) 20 Aug 17 02:02 Bushing? RE: MRCBT mgtrp (Electrical) 20 Aug 17 06:44 Or "bar" as in a bar CT? RE: MRCBT dpc (Electrical) 21 Aug 17 00:20 If I had to guess, I'd say Multi-Ratio Bushing Current Transformer. Context may be everything in this case. RE: MRCBT ScottyUK (Electrical) 21 Aug 17 05:11 In the original post you wrote both MRCBT and MRBCT - which is correct? RE: MRCBT corvalan (Electrical) (OP) 21 Aug 17 14:18 MRBCT Multi Ratio ??? Current Teansformer RE: MRCBT davidbeach (Electrical) 21 Aug 17 15:08 Bushing, unless there's something about the application that completely rules out that possibility.