339B Plug-In Adjustable Time Delay Relay

The 339B is a solid-state TDR with octal plug-in base that maintains excellent repeat accuracy despite wide voltage and temperature variations even after long periods of down-time. The 339B has six dial selected ranges from fractions of a second to as long as 10 hours and selectable on-delay or interval timing modes. Fixed timing units are available upon request.

• Wide choice of ranges
• Cycle Progress Indication
• High Accuracy
• Multiple Timing Modes
• FM Approved
• CSA Approved
• UL Recognized
• CE Approved
• Fixed Timing Units available to prevent adjustments and increase safety