BKL 075821 DC Socket with Switch Normally Closed Angled 2.1/5.5mm from Rapid Online – Rapid Electronics Ltd.BKL DC Sockets with Switch – BKL 075821, BKL Electronics 075821 This is a DC socket with an internal normally closed switch. 90° 2.1/5.5mm BKL 075821 DC Socket with Switch Normally Closed Angled 2.1/5.5mm