HFD3/12-S HFD3/12-S(257) HFD3/12-S1 HFD3/12-S1(257) HFD3/12-SR HFD3/12-SR(257) HFD3/12V HFD3/12VDC HFD3/2.4-L1S1R(257) HFD3/2.4-L2