... -3, 52-4, 52-5, 52-6, 52-9, 52-10, etc. 2). BS XP Series Disc Suspension Insulators: XP-70 ... , P-33-A, etc. 5). DIN Pin Insulators: ST-10/J, ST-15/J, ST-20J, P-20-D, etc. 3. Series of ... for Bushing DT3/630DIN 4253910 NI / 250 for Bushing DT/10 NI /250DIN 4253110 NF /250 for Bushing DT /10NF /250DIN ...