General Purpose Low Power Relay

General Purpose Low Power Relay

Nmae: Low Power Relay

Brand:BETA/MGRELAY

Relay Type: BLY4 (or MR17)

Contact Form: 4C

Contact Current: (Blank = 10A standard)

Terminal Form: Blank = plug-in; P = PCB

Cover Style: Blank = standard; C3 = top flange cover

Options: M = manual test button; L = indicator light

Coil Voltage: [Select from DC/AC voltage list]

The BLY4 series is a robust multi-pole relay offering a 4PDT (4C) contact configuration, designed for applications requiring simultaneous control of multiple circuits. With a 10A switching capability, it provides reliable performance in industrial and commercial settings. The relay includes user-friendly features such as an optional manual test button, LED status indication, and a top-flanged cover for easy handling. It is environmentally compliant with RoHS and REACH standards and supports both plug-in and PCB mounting options.

Key Features:

  • 4C Contact Form:4PDT (Four-Pole Double-Throw) configuration for complex switching needs.
  • Switching Capacity:10A rated current (12A resistive load).
  • Manual Test Button:Optional for circuit testing and troubleshooting.
  • Status LED:Optional visual indicator (different wiring for AC/DC coils).
  • Mounting Flexibility:Compatible with sockets (PTF-14, PTF-14A, PTF-14AE) or PCB mounting.
  • Cover Options:Standard or top-flanged cover (C3) for improved stability and handling.
  • Environmental Compliance:RoHS and REACH compliant.
  • Wide Coil Voltage Range:Supports DC 6–110V and AC 6–240V.

Technical Specifications:

ParameterDetails
Contact Form4C (4PDT)
Contact MaterialAgSnO₂ alloy
Initial Contact Resistance≤ 100 mΩ
Rated Resistive Load12A @ 28VDC / 240VAC
Motor Load1/3 HP @ 120VAC, 1/2 HP @ 240VAC
Max. Switching Voltage28VDC / 240VAC
Max. Switching Current10A
Max. Switching Power336W / 2280VA
Electrical Life100,000 operations
Mechanical Life10,000,000 operations
Coil PowerDC: 1.5–1.65W; AC: 2.2–2.7VA
Operate Time≤ 20 ms
Release Time≤ 15 ms
Insulation Resistance500 MΩ @ 500VDC
Dielectric StrengthOpen contacts: 1000VAC, 1 min
Between poles: 1500VAC, 1 min
Coil to contact: 1500VAC, 1 min
Operating TemperatureAC: –25°C to +50°C; DC: –25°C to +55°C
Operating Humidity5% to 85% RH
Shock Resistance (Stability)98 m/s²
Shock Strength980 m/s²
Vibration Resistance10–55 Hz, double amplitude 1.0 mm
Terminal TypesPlug-in (socket) or PCB mount
Dimensions (L×W×H)~28 × 40.8 × 35 mm (standard)
Weight~78 g
Compatible SocketsPTF-14, PTF-14A, PTF-14AE

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

 
 
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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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