DF51K-30DS-2C DF51K-30DS-2C(800) DF51K-30SC(800) DF51K-30SCA(800) DF51K-30SCF(800) DF51K-30SCFA(800) DF51K-3P-2DSA(800) DF51K-3P-2DSA(805) DF51K-3S-2C DF51K-3S-2C(800)