Description
320–327 Series Relays
Precision Three-Phase Motor Protection with Voltage Fault Detection
NewElec’s 320–327 Series is a trusted range of three-phase motor protection relays engineered to protect low to medium voltage motors from harmful electrical faults. These relays provide accurate motor protection relay detection and trip on conditions that may otherwise cause costly damage or production delays.
Compact yet powerful, they combine low voltage protection, overload detection, and phase monitoring in a reliable, maintenance-friendly design—helping industrial operations maintain uptime, safety, and motor longevity.
Key Features
Three-Phase Motor Protection
Detects phase failure, phase sequence errors, and current imbalances to protect motor windings from severe damage.
Built-In Low Voltage Protection
Trips on sustained undervoltage conditions, preventing overheating and operational inefficiencies in three-phase systems.
Accurate Motor Protection Relay Detection
Responds instantly to abnormal running conditions, protecting motors from electrical faults before they escalate.
Compact DIN Rail Mounting
Simple to install in new builds or retrofit projects, saving space in control panels and MCCs.
Visual Trip Indicators
LED indicators assist with quick troubleshooting and fast operational recovery.
Application Suitability
This range is ideally suited to:
Conveyor and Crushing Systems
Agricultural Irrigation Pumps
Industrial HVAC and Fans
Manufacturing and Automation Equipment
Water and Wastewater Treatment
Learn how these relays support fault prevention and motor efficiency on our Agricultural or Water Treatment industry pages.
Why Choose the 320–327 Series?
Backed by NewElec’s reputation for quality and local support, the 320–327 Series delivers precision-engineered motor protection relay performance in demanding environments. With integrated low voltage protection and high-speed motor protection relay detection, this series ensures maximum uptime, reduced repair costs, and long-term equipment health—all while meeting the unique needs of South African industries.
