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Motor Protection Circuit Breakers (MPCB) – 3RV & 3VS Series
Motor Protection Circuit Breakers (MPCB) – 3RV & 3VS Series
Reliable motor protection against overload, short circuit, and phase loss. Compact design, adjustable trip settings, and high breaking capacity. Ideal for pumps, compressors, HVAC, and industrial machinery. Suitable for automation panels and DOL starters.
Motor Protection Circuit Breakers (MPCB) – 3RV & 3VS Series
Our 3RV and 3VS Series Motor Protection Circuit Breakers (MPCB) are designed to deliver reliable protection for motors against overload, short circuits, and phase failures. Built with advanced technology and high-quality components, these MPCBs ensure maximum safety, long service life, and efficient motor operation across industrial and commercial applications.
Key Features
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Comprehensive Motor Protection: Safeguards motors from overload, short circuit, phase loss, and overcurrent conditions.
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Adjustable Trip Settings: Flexible thermal and magnetic trip adjustments for precise motor protection.
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Compact & Robust Design: Space-saving models suitable for control panels, MCC units, and automation systems.
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High Breaking Capacity: Ensures reliable performance even under demanding load conditions.
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Easy Installation: User-friendly terminals, mountable on DIN rails, with clear indicators for ON/OFF/trip status.
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Extended Compatibility: Works seamlessly with contactors, overload relays, and motor starters.
3RV Series Highlights
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Advanced modular design
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Suitable for direct-on-line (DOL) starters
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Available in multiple current ratings
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Ideal for industrial automation, pumps, compressors, and conveyor systems
3VS Series Highlights
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Economical and efficient protection solutions
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Sturdy build for heavy-duty applications
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Reliable tripping performance for motor safety
Applications
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Industrial machinery
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HVAC systems
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Pumps & motors
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Automation panels
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Manufacturing lines
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Agricultural motors

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Text to Speech TTL Module (Serial to Speech)
- Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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Voice effect optimization
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Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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