Adapter cable MV400 ring lamps; permits the subsequent connection of 6GF3400-0LT0-7BA1 and 6GF3400-0LT0-8BA1 to MV420 and MV440 only with power supply via 6GF3440-8BA2 or 6GF3440-8BA4; Connections: M16, 12-pole socket; M16, 12-pole connector; M12, 4-pole socket; effective length 25 cm