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The Models 331 and 361 Release Delay Timers are designed for a wide usage in new or replacement industrial applications. Examples include delay-off circuits, batch processing circuits, and other applications requiring a remote-triggered, off-delay timer. The Model 331 is a DPDT potentiometer (knob-adjust) timer. The Model 361 is a DPDT, high-accuracy digital input timer. Solid-state timing circuits in each model drive an internal electromechanical relay. Each model is functionally interchangeable. They are available in a variety of voltage and timing ranges to cover any application. An SG version of this model is available using silver with gold flash contacts.

Models 331 and 361 are UL Recognized and CSA Certified.

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If Octopart does not currently display the Time Mark product you desire, please call us Toll-Free at (800) 862-2875 or use the Find a Distributor link on our website to find a distributor near you.

Additional Information


CSA and UL





Timing Range

1-1023 Hr.

Timer Function

Release Delay Timer

Voltage Range