The Crompton Instruments 0-3000A AC Gauge, model 077-08AA-LSUA, is a high-quality switchboard ammeter designed for precise measurement of alternating current (AC) in industrial applications.
Key Features
- Measurement Range: Capable of measuring AC currents up to 3000 amperes, providing accurate readings for high-current applications.
- Design and Construction: Housed in a robust 4.5-inch ANSI C39.1 case, the gauge features a flame-retardant polycarbonate molding with a black matte finish. The contoured window minimizes reflections from adjacent light sources, enhancing readability.
- Scale and Display: Equipped with a 250° moving coil mechanism and parallax error-free platform dials. The standard white matte dial with black printed scales and a bar knife-edge pointer ensures clear and precise readings.
- Accuracy: Offers Class 1 accuracy, complying with ANSI-C39.1 (1981) specifications, ensuring reliable performance in demanding environments.
- Durability: Designed to withstand high shock and vibration, making it suitable for rugged industrial settings.
- Certifications: Features UL and CE listings and certifications, meeting international safety and performance standards.
Applications
This ammeter is ideal for use in various industrial and commercial settings, including:
- Switchgear and distribution systems
- Generator sets
- Control panels
- Energy management systems
- Building management systems
Specifications
- Brand: Crompton Instruments
- Series: Switchboard
- Model: 077-08AA-LSUA
- Form Factor: 4-Stud Mount, Switchboard: 4.5-Inch ANSI C39.1
- Input Range: 0-5AAC
- Input Frequency: 50Hz, 60Hz
- Scale Range: 0-3000AAC
- Accuracy: ±1% of Full Scale
- Current Transformer (CT) Ratio: 3,000:5A
The Crompton Instruments 0-3000A AC Gauge 077-08AA-LSUA combines precision, durability, and compliance with industry standards, making it a reliable choice for professionals seeking accurate AC current measurement solutions.

















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