View Basket0 item(s) in the basket.
Double contact bulb holder for Bosch BA20D double contact base bulbs. Removeable rubber boot surround. Metal holder front plate maximum 44.5mm diameter with two locating tabs (one with small hole for spring supplied), on a 21.7mm outer diameter metal holder/socket with 20.5mm inner diameter. Two live connection leads and one earth - Green, earth (bullet connection); White, low beam (socket connection); Blue, high beam (spade connection). Two square cut recesses in holder for square cut tabs on side of Bosch type bulbs.
Bulbs are available in 6 or 12V and power outputs from 25/25W for motorcycle and scooter headlamp applications and hight wattages for car and commercial applications. Bulbs feature a 20mm diameter cap with two square locating tabs. See bulbs B392B, B393B, B393BH, B394, B395B, B395H, BA396B, BA397, B399, BT1524, BT519, BT520, BT520Y, BT521, BT523, BT523Y, BT527, BT528, BT528Y and BT529 as well as LED options - part numbers BA20DLED-P43, BA20DLED-P43-6N, (12V and 6V negative earth, classic white without a lens) BA20DLED-H30L and BA20DLED-H43L (6, 12 and 24V, positive or negative earth, warm or bright white with integral lens).
