ProTek offers three types of Modules and/or Components: AC Power, DC Power and Data Line. In addition, ProTek's modules are designed to meet surge, line to ground, and line to line immunity requirements - IEC 61000-4-5.
ProTek's AC Power products provide 2-stage lightning protection for Military and Commercial applications such as Aircraft, Shipboard and Industrial Monitoring Equipment.
ProTek's DC Power products provide protection against long duration switching transients for Military and Commercial applications such as Drive Motors and Controls, MIL-STD-1275 Power Bus and mobile electronics operating in harsh environments.
ProTek's Data Line products provide single and multiple line protection for both low and high frequency applications in a variety of packages. These devices are ideal for use in Industrial Control and Monitoring Systems, Security Alarm Systems and Data/Telecommunications Equipment.
Product Line| Series | Description |
| 232B & 232E | Industrial Computer Data Line Protector |
| 420E Series | Dual 4-20mA Control Loop Protector |
| 420LB & 420LE | Two Line Pair 4-20mA Control Loop Protector |
| 422B & 422E | Data Process Line Protector |
| 422ELC | Digital Process Data Line Protector |
| 485ELC | High Speed Ethernet Data Line Protector |
| 587B 120V Series | 120V AC Power Line Surge Suppressor |
| 587B 240V Series | 240V AC Power Line Surge Suppressor |
| 587BLP 120V Series | Low Profile 120V AC Power Line Surge Suppressor |
| 587BLP 240V Series | Low Profile 240V AC Power Line Surge Suppressor |
| 587BLPE Series | Low Profile 240V AC Power Line Surge Suppressor |
| TEL185B & TEL185E | Telephone Interface Protector |
| TEL50B & TEL50E | PBX Low Voltage Telephone Protector |