Electromagnetic retainer for floor / wall mounting with unlocking button. Adjustable and folding support to 475mm with 180º and 450mm with 90º. Holding force: 400N. Power: 24vcc / 67mA. IP54 magnet, IP42 retainer. Retaining plate with ball joint included. Reverse polarity protection. Dimensions: 90x80x475mm with 90º or 90 x 80 x 450 with 180º.