The Phase Sequence Voltage Relay Electromatic S‑System SM 170 440 is a precision industrial protection device engineered to monitor and enforce correct phase sequence and voltage conditions in three‑phase power systems. Ideal for motor protection, control panels, and industrial automation equipment, this relay prevents damage from phase reversal, loss, or imbalance by detecting irregular voltage conditions and triggering control logic. Built with rugged construction and reliable switching performance, the SM 170 440 enhances system safety and uptime in demanding industrial environments.
Key Features:
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Phase sequence and voltage monitoring relay for industrial three‑phase systems
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Detects phase reversal, loss, and imbalance to protect motors and equipment
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Designed for integration into control panels and automation systems
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Stable and accurate voltage sensing for reliable operation
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Industrial‑grade construction for durability in harsh environments
Specifications:
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Model: SM 170‑440
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Series: Electromatic S‑System
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Function: Phase sequence and voltage detection relay
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Voltage Monitoring: Three‑phase AC system
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Protection: Phase reversal, phase loss, and imbalance detection
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Mounting: Panel or DIN rail compatible
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Construction: Industrial‑grade for dependable performance
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Application: Industrial automation, motor protection, power control systems
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Brand: Electromatic
The Electromatic S‑System SM 170‑440 Phase Sequence Voltage Relay delivers dependable protection against phase anomalies and unstable voltage conditions in industrial power systems. With Electromatic’s reputation for quality control products, this relay is an excellent choice for enhancing safety, preventing equipment damage, and maintaining reliable operation in professional automation environments.
