Parameters:

• Voltage: 380-480 VAC
• Frequency: 50/60 Hz
• Power Range: 0.75-250 kW
• Overload Capability: 150% for 60 seconds

Specifications:

• Control Methods: V/F Control, Sensorless Vector Control, Flux Vector Control
• Speed Measurement: Utilizes internal displacement sensors targeting gears, keyways, or teeth rotating on the shaft
• Key or Phase Measurement: Includes displacement sensors with a once-per-revolution target, not just gears or teeth

Dimensions and Weight:

• Exact dimensions are not specified in the search results. However, the A6312 is typically described as a 1-slot monitor or a 3U size plug-in module²³.
• Weight: Not explicitly stated in the search results.

Series:

• Not specifically mentioned in the search results as part of a named series. However, it is identified as an Emerson product.

Features:

• High Reliability: Designed for high-reliability monitoring of the most critical rotating machinery in factories²³.
• Monitoring Capabilities: Monitors speed, phase, zero speed, and rotation direction²³.
• Redundant Mode: Configurable for redundant mode, allowing automatic switchover from the primary tachometer to a backup²³.
• Integration: Used with the AMS 6500 monitor to form a complete API 670 mechanical protection monitor².
• Compliance: Complies with API 670 standards²³.

Application:

• Used in applications such as steam, gas, compressors, and hydro turbines².
• Provides speed and key monitoring for critical rotating machinery²³.