Siemens
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The Speed Monitoring Relay is a digital device designed for precise speed control, capable of monitoring speeds ranging from 0.1 to 2200 revolutions per minute (rpm). It offers overshoot and undershoot capabilities, ensuring accurate speed adjustments. The relay operates with both AC and DC voltages, ranging from 24 to 240V, and supports frequencies of 50 to 60 Hz.
The device features a startup delay that can be set between 1 to 900 seconds, providing flexibility in system integration. Tripping is delayed by 0.1 to 99.9 seconds, allowing for controlled shutdowns. The relay incorporates hysteresis control, adjustable from 0.1 to 99 rpm, ensuring stable operation.
The Speed Monitoring Relay includes a changeover contact, available with or without an error log. It is designed as a spring-loaded type for reliable and durable performance. This relay is an essential component in various industrial automation systems, offering precise speed control and robust functionality.
Siemens
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Datasheet for Siemens 3UG4651-2AW30, including specifications and features.
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