A couple of examples have been mentioned already, but it seems relatively rare on U.K. brands, unlike here in the States where many makes of breaker (regular and GFCI) have a "center trip" position and you have to push the operating handle all the way back to off to "catch" the mechanism in order to switch on again.
Power failure not tripping an RCBO
- Thread starter Nakajo
- Start date
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Square D are originally a US brand, and have a massive market share.
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The "D" inside a square logo comes from Square D originally being called the Detroit Fuse & Manufacturing Co. Apparently the symbol became so well recognized that they decided to adopt the "Square D" name instead.
As far as residential applications are concerned, the two common Square D ranges are the cheaper HomeLine units and the QO range, which has been in production for decades and long been highly regarded. Unfortunately, Square D did move production of boards from the U.S. to Mexico a few years ago and cheapened the construction (mounting rails now being plastic instead of steel, etc.).
On the central-position trip issue, American Square D breakers have it, like many brands here. But Square D also introduced the "Visi-Trip" indicator back in the 1960's, with tripped breakers showing an orange indicator in a small window. Several other brands have followed suit more recently.
As far as residential applications are concerned, the two common Square D ranges are the cheaper HomeLine units and the QO range, which has been in production for decades and long been highly regarded. Unfortunately, Square D did move production of boards from the U.S. to Mexico a few years ago and cheapened the construction (mounting rails now being plastic instead of steel, etc.).
On the central-position trip issue, American Square D breakers have it, like many brands here. But Square D also introduced the "Visi-Trip" indicator back in the 1960's, with tripped breakers showing an orange indicator in a small window. Several other brands have followed suit more recently.
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