Yokogawa 240312AAAB7 3-1 2" 3W 120V Elapsed Time Meter

Description:

The Yokogawa 240312AAAB7 Elapsed Time Meter 3-1/2" 3W 120V is used in industrial control systems for tracking accumulated equipment operating hours with reset capability. Commonly installed in control panels, generators, compressors, and industrial machinery requiring accurate runtime monitoring. Maintenance teams, OEMs, and system integrators use this part for hour meter replacement, preventive maintenance scheduling, and equipment usage tracking applications.

Applications:

The Yokogawa 240312AAAB7 is used in industrial and commercial equipment where monitoring and resetting cumulative operating time is required. It is typically mounted in control panels or on equipment such as motors, pumps, HVAC systems, and generators to record runtime hours, support maintenance intervals, and ensure reliable operation. Resettable elapsed time meters are especially useful for scheduled servicing and operational tracking cycles.

Technical Specifications:

• Brand: Yokogawa
• Part Number: 240312AAAB7
• Product Type: Elapsed Time Meter / Hour Meter
• Meter Size: 3-1/2 inch “Big Look” panel mount
• Rated Voltage: 120V AC
• Frequency: 60 Hz
• Power Consumption: 3.0 W
• Reset Type: Manual reset (hours resettable)
• Display Type: Mechanical counter (multi-digit hours display)
• Function: Tracks cumulative operating time with reset capability
• Mounting: Panel-mounted (switchboard or equipment panel)
• Series: Yokogawa 240 Series elapsed time meters (discontinued)
• Industrial Use: Equipment runtime monitoring and maintenance tracking

Common Replacements:

• Yokogawa 240312AAAB Elapsed Time Meter
• Yokogawa 240711AAAD Hour Meter (Non-reset variant)
• Omron H7EC Series Digital Hour Meter