Miniature Power Relay

Name:Miniature Power Relay
Brand:BETA/MGRELAY
Temperature: –25°C to +55°C
Humidity: 5% to 85% RH
Atmospheric Pressure: 86–106 kPa
Contact Load:
Resistive: 10A @ 28VDC / 240VAC
Motor: 20A @ 28VDC / 120VAC / 277VAC

Our Miniature Power Relay delivers robust switching capabilities in a compact form, making it ideal for applications where space is limited but performance is critical. Designed for reliability and durability, this relay is perfect for industrial, automotive, and commercial use, offering flexible configurations and enhanced user control.

Key Features:

  • High Contact Capacity: Capable of switching up to 20A, ensuring effective control of heavy-duty loads without compromising performance.

  • Multiple Contact Forms: Available in various configurations including 1C (SPDT), 2C (DPDT), 3C (3PDT), and 4C (4PDT) for versatile circuit control and integration into a variety of systems.

  • Visual Indicators:

    • Flag Indicator for easy manual or powered status monitoring.

    • LED Indicator for clear coil ON/OFF status (red for AC, green for DC) for quick, intuitive diagnostics.

  • Manual Operation: Includes a rotary button for easy circuit testing and manual control, enhancing operator convenience during setup and maintenance.

  • Wide Coil Voltage Range: Compatible with 6–110VDC and 6–240VAC, allowing for broad application in different power systems.

  • Long Lifespan: Engineered for high electrical and mechanical endurance, ensuring reliability through millions of switching cycles for prolonged operational life.

  • Compact Design: The space-saving footprint allows for plug-in or PCB mounting options, making it ideal for integration in tight spaces without sacrificing performance.

Applications:

  • Home Appliances – Efficiently controls electrical systems like heating and cooling devices.

  • Industrial Automation – Ideal for machinery and control systems that require precise, durable switching under demanding conditions.

  • HVAC Systems – Optimizes operation and energy efficiency in temperature and air flow control systems.

Technical Specifications:

ParameterDetails
Contact Load (Resistive)10A @ 28VDC / 240VAC
Contact Load (Motor)20A @ 28VDC / 120VAC / 277VAC
Switching Power560W, 5540VA
Contact Resistance (Initial)≤ 50 mΩ
Contact Material10A: AgNi alloy; 12A/15A/20A: AgSnO₂ alloy
Electrical Life100,000 operations
Mechanical Life10,000,000 operations
Rated Pick-up Voltage (23°C)DC ≤ 75%, AC ≤ 80% (50/60 Hz)
Rated Release Voltage (23°C)DC ≥ 10%, AC ≥ 30% (50/60 Hz)
Max. Withstand Voltage110% of rated voltage
Insulation Resistance500 MΩ @ 500VDC
Coil PowerDC: 0.89–1.1W; AC: 1.2VA
Pick-up Time≤ 20 ms
Release Time≤ 15 ms
Dielectric StrengthSame pole: 1000VAC, 1 min
Opposite pole: 1500VAC, 1 min
Coil to contact: 1500VAC, 1 min
Operating Temperature–25°C to +55°C
Operating Humidity5% to 85% RH
Atmospheric Pressure86–106 kPa
Impact Stability98 m/s²
Impact Strength980 m/s²
Vibration Resistance10–55 Hz, double amplitude 1.0 mm
Terminal TypePlug-in or PCB
Dimensions (L×W×H)1C: 28×14×36 mm
2C: 28×21.5×36 mm
3C: 28×30.8×36 mm
4C: 28×40.8×36 mm
Weight1C: ~24g, 2C: ~37g, 3C: ~58g, 4C: ~78g

No relay products that meet your requirements were found. Please let us know, as we support customization based on your needs.

 
 

Frequently Asked Questions

Can I directly replace an Omron or Schneider relay with an MG relay?

Yes, the pin layout follows the same international standard for direct replacement, but you should verify the coil voltage and mounting dimensions match.

Yes, it’s more reliable against vibration-induced loosening and can reduce installation time by about 60%.

MG relays are designed for a wide operating temperature range, typically from -40°C to +70°C, ensuring reliable operation in harsh environments.

What international certifications do your relays have?

MG relays carry comprehensive global approvals including UL (North America), CE, TUV, VDE (Europe), and comply with RoHS 2.0 & REACH environmental standards, ensuring smooth export for your end equipment.

Electromechanical relays offer two key advantages: true physical isolation (zero leakage current when off) for safety, and superior surge withstand capability, making them more robust for harsh industrial power environments.

It uses a magnetic field to stretch and extinguish the powerful spark (arc) created when breaking a high DC current, preventing the contacts from welding together and significantly extending relay life.

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