Overview
The Yokogawa Toshiba 3700449FM1-2 YF5-A is a hardwired panel ammeter designed for direct installation in control cabinets and power distribution panels. Rated for 0–15kA measurement range with a 5A secondary current transformer input, this meter provides straightforward analog indication of AC current flow. The meter is ideal for electrical distribution monitoring, motor control centers, and industrial process equipment requiring continuous current visibility.
Key Features
- 0–15kA measurement range via standard 5A CT secondary
- Panel-mount design fits standard DIN rails or bracket mounting
- Analog pointer display for easy visual indication
- Robust construction suitable for plant floor and outdoor enclosures
- Low maintenance and long service life
Technical Specifications
- Measurement Range: 0–15kA AC (via 5A CT secondary)
- Display Type: Analog moving-coil meter
- Primary Current Ratio: 15000 A (15K CT)
- Secondary Current: 5 A
- Mounting: Panel-mount with bracket
- Accuracy: Grade 1.5 (typical for industrial ammeters)
- Connection: Current transformer secondary terminals
- Operating Temperature: –10 °C to +50 °C (typical for panel meters)
- Frequency: 50/60 Hz
Typical Applications
The YF5-A ammeter is commonly found in:
- Electrical substation and switchgear panels
- Motor control centers and soft starters
- Industrial power distribution and feeder monitoring
- Energy management and load monitoring systems
- Manufacturing plant electrical cabinets
Compatibility & Replacements
Compatible With
- Standard 5A secondary current transformers (CT)
- Industrial AC circuits operating at 50 or 60 Hz
- Panel mounting systems and DIN rail enclosures
- Control and distribution panels requiring current indication
Replaces / Drop-In Replacement For
Verify compatibility with your original equipment or panel designer before ordering. This model directly replaces other Yokogawa Toshiba YF series ammeters with identical mounting and terminal configurations. Consult equipment manuals for specific replacement models.
Works With
- 5 A–rated current transformer secondaries
- Standard industrial electrical panels and enclosures
- Mechanical relay and contactor circuits
- AC power systems (50 Hz and 60 Hz)
