Machine Design
Versatile Timers Eye Industrial-Control Apps

Versatile Timers Eye Industrial-Control Apps

Model 385AR industrial timers feature built-in versatility with their 10 operational modes, suiting them for a range of applications in OEM equipment and industrial process control. The devices accept sensor inputs between 3 and 30 V dc, at standard speeds of 3 Hz, 30 Hz, and 5 kHz. A built-in 12-V dc, 30-mA power supply with integral short circuit protection powers the sensor. The timers can be reset remotely or via front panel, and will reset automatically on power interruption.

The timer comes in a compact 1/16 DIN housing with two single-pole, single-throw (SPST) relays normally open (NO) 5 A at 230-V ac contacts. Standard operating voltage range supply is 85 to 270 V ac/dc (50/60 Hz), with a maximum power consumption rating of 5 VA.

The series units incorporate an LED display and dual setpoints, programmable input scaling, and batch counting. They also maintain 0.05% time setting accuracy and onboard memory retention. Units are UL-recognized and CE-certified.

Marsh Bellofram Corp., 8019 Ohio River Blvd., Newell, WV 26050; (800) 727-5646; [email protected]

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