This part is a kind of semiconductor called RXLG-H-F.
Function of this product has High power resistor.
Manufacturers : KRAH
Image and pinout :
Some of the text within the PDF file :
High power resistor in a aluminium housing 铝外壳高功率电阻器 RXLG-H-F L2 H±1 5.3±0.2 d H/2 标 志 250±10 L1 L Type 类别 RXLG-H-F 80W RXLG-H-F 100W RXLG-H-F 150W(160W) RXLG-H-F 200W A±1 RXLG-H-F 300W Resistance range 电阻范围 Ω R504K3 R755K1 R756K8 1R07K5 1R08K2 Tolerance of resistance 电阻值公差 % ppm/ ℃ MΩ R≥1Ω ±5% R<1Ω ±10% R>20Ω,±260 ppm/℃ R≤20Ω,±400 ppm/℃ R≥100 140 125 100 160 150 125 40 20 215 200 175 40 20 按客户要求选配 165 150 125 60 30 215 200 175 60 30 Temperature coefficient 温度系数 Insulation resistance 绝缘电阻 Weight 重量 kg L L1 Dimension 尺寸 L2 A H d mm 40 20 Power rating 额定电压 V P R Protection lever 防护等级 ℃ N IP54 40/155/21 -40200 100 Lead fetch [ ... ]