Yokogawa 250340LSRL AC Ammeter

Description:

The Yokogawa 250340LSRL AC ammeter is an analog panel meter designed for measuring alternating current in industrial electrical systems. Commonly installed in control panels, switchgear, and power distribution systems, this meter provides clear, real-time visual indication of current flow. Maintenance teams and electricians use this unit for load monitoring, diagnostics, and replacement of legacy panel meters in industrial environments.

Applications:

The Yokogawa 250340LSRL is widely used in industrial and commercial environments requiring accurate AC current measurement. It is commonly found in motor control centers, generator panels, switchboards, and electrical distribution systems where monitoring current is critical for system protection and performance.

Technical Specifications:

• Manufacturer Part Number (MPN): 250340LSRL
• Product type: Analog panel ammeter
• Measurement type: AC current
• Input rating: 5A (CT input, transformer-rated)
• Measurement range: 0–200 AC amps
• Frequency: 50/60 Hz operation
• Display type: Analog dial with needle pointer
• Meter size: 3.5 inch panel meter (standard Yokogawa size)
• Design series: Yokogawa “New Big Look” style with wide scale and clear markings
• Movement: Pivot & jewel / taut-band (series dependent)
• Mounting: Panel-mounted (switchboard installation)
• Function: Visual monitoring of AC current via CT input
• Application environment: Industrial control panels and power systems

Common Replacements:

• Yokogawa 250340LSRX (0–300A range variant)
• Yokogawa 250240LSRL (smaller 2.5" CT ammeter variant)
• Equivalent CT-rated AC panel ammeters (matched by 5A input and 0–200A scale)