Model | Output | Brief Description | Operating Mode what's this? |

"B" SERIES | 4 MODELS AVAILABLE..... Choose from voltages of: 0-18V, 0-30V, or 0-60V With current ratings of: 0-1.5A, 0-3A, or 0-5A | Low Noise Excellent Regulation Constant Current & Constant Voltage Modes | Linear |

"L" SERIES | 
5 MODELS AVAILABLE..... Choose from voltages of: 0-30V or 0-60V With current ratings of: 0-3A, 0-5A, or 0-10A | Low Cost Excellent Regulation Small Size & Weight Constant Current & Constant Voltage Modes | Linear |

"M" SERIES |  6 MODELS AVAILABLE..... Choose from voltages of: 0-18V, 0-35V, 0-75V, 0-160V, or 0-300V With current ratings of: Up To 20A
| Low Noise Excellent Regulation High Power Models Constant Current & Constant Voltage Modes | Linear |

"S" SERIES
| 
4 MODELS AVAILABLE..... Choose from voltages of: 0-12V, 0-18V, 0-36V, or 0-60V With current ratings of: 0-6A, 0-10A, 0-20A, or 0-30A | High Current Capability Excellent Regulation Small Size & Weight Constant Current & Constant Voltage Modes | Switching |