Overload protection relay | motor protection | 10-120A | 180-460VAC
Code: ES-SOPR-SS3-120The electronic overload relay is an intelligent motor protection device designed to safeguard electric motors from overload, phase loss, and jamming. It ensures reliable motor operation and helps prevent potential failures, reducing downtime and maintenance costs. The relay operates within a wide voltage range (180–460VAC) and frequency (50/60Hz), making it suitable for various industrial and commercial applications.
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Technical Specifications:
Current Range: 10-120A
Power Supply Voltage: 180–460VAC
Operating Frequency: 50/60Hz
Power Consumption: <2W
Operating Temperature: -20°C to +55°C
Protection Functions:
• Overload Protection
• Phase Loss Protection
• Locked Rotor ProtectionDelay Settings:
• D-Time (Locked Rotor Delay Time): 0.2–60s
• O-Time (Overload Action Time): 0.2–12sAsymmetry Setting: ±10%
Contact Load: 5A 250VAC (resistive load)
Mounting: 35mm DIN rail or panel mounting
LED Indication:
• Green (PWR): Normal operation
• Red (Trip): Protection activated
Functions and Usage:
Protection Features: The relay protects motors from overloads, phase loss, and locked rotor conditions.
Precise Current Monitoring: The integrated ammeter allows accurate motor current measurement using an LED indicator.
Manual and Automatic Reset: Option for manual or electric reset via the RESET button.
Fast Response: Protection action time can be adjusted based on motor specifications to ensure optimal response time.
Easy Installation and Configuration: Suitable for both panel and DIN rail mounting.
Applications:
Industrial Motors: Protection for low-voltage (up to 600V) electric motors.
Manufacturing Equipment: Protects machines and production lines from unexpected overloads.
HVAC System Motors: Ensures protection for heating, ventilation, and air conditioning equipment.
Water Pumps: Prevents damage from jams and overloads.
Alternative to Traditional Relays: Can be used as an upgrade for existing protection relay systems.
Pros:
Compact Design: Takes up minimal space in electrical panels.
Wide Voltage Range: Compatible with various electrical networks (180–460VAC).
Accurate and Fast Current Detection: LED indicators help with easy system calibration.
High Reliability: Modular design with high-quality components.
Low Power Consumption: Energy-efficient design reduces electricity costs.
Cons:
Requires Proper Configuration: Incorrect settings may result in too fast or too slow overload response.
Cannot Replace Circuit Breakers: Despite integrated protection, an additional circuit breaker is required.
This electronic overload relay is a reliable solution for motor protection, offering extensive configuration options, fast response to current fluctuations, and low energy consumption. It is an ideal choice for both industrial and commercial system protection, extending equipment lifespan and reducing maintenance costs.Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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