Safe1 Group | Manufacturers of Electrical Distribution Systems Safe1 Group entered into the Miniature Circuit Breaker Industry in 2001 where they've spent 3 years developing the 1 pole RCBO and started selling into the Australian market in 2005. The recent release of the new JVM16 series of MCB and RCBO’s is the first of its kind with integrated din rail mounted 4 pole RCBO for 3 phase circuits. “I was so frustrated trying to fit an RCD to ...