The MGR-3 032 3880 Z is a three-phase solid-state relay (SSR) designed for controlling AC loads without any moving parts, ensuring a long lifespan and quiet operation. This specific model, indicated by "032", accepts a DC control signal typically ranging from 3-32VDC to switch a three-phase AC load. The "3880" part suggests it handles a load voltage up to 380VAC and a load current of 80A, while the "Z" signifies it's a "zero-crossing" type, meaning it switches the load on only when the AC voltage crosses zero, which helps reduce electrical noise and inrush currents. It's commonly used in various industrial and commercial applications for precise and reliable control of heating elements, motors, and other high-power loads
Features of the MGR-3 3PHASE SOLID STATE RELAY:
- Non-Contact Switching: Utilizes semiconductor components (TRIACs) instead of mechanical contacts, leading to silent operation and no arcing or contact bounce.
- Three-Phase Control: Designed specifically for switching three-phase AC loads.
- DC Control Input: Activated by a low-voltage DC signal (3-32VDC), allowing for easy integration with control systems like PLCs.
- Zero-Crossing Switching ("Z" type): Turns on the load only when the AC voltage crosses the zero point, minimizing electromagnetic interference (EMI), radio-frequency interference (RFI), and inrush currents, and extending the lifespan of connected equipment.
- High Performance TRIAC Output: Provides reliable performance in commercial and heavy industrial applications.
- Transparent Cover: Offers additional protection to the relay.
- LED Indicator: Visually displays the output status.
- Low Power Consumption (Control Side): Consumes very little power on the control input.
- Low Output Off-State Leakage Current: Minimizes current leakage when the relay is off.
- Low Output On-State Voltage Drop: Efficiently transfers power to the load with minimal voltage loss.
- Panel Mount Design: Designed for secure installation on control panels with screw terminals.
Specifications of the MGR-3 3PHASE SOLID STATE RELAY:
- Model: MGR-3 032 3880 Z
- Theory: Solid State Relay (SSR)
- Phase: 3 Phase
- Control Type: DC to AC (DC input, AC output)
- Control Voltage: 3-32VDC
- Control Current: ≤20mA (Ultra low input current)
- Load Voltage: 24-480VAC (specifically 380VAC for the 3880 model number)
- Load Current: 80A (for the 3880 model number; other models range from 10A to 200A)
- Trigger Mode: Zero-Crossing ("Z")
- On-state Voltage Drop: ≤1.5V
- Off-state Leakage Current: ≤10mA (some sources indicate ≤2mA)
- On-off Time: ≤10mS
- Dielectric Strength: 2500VAC
- Insulation Resistance: ≥1000MΩ/500VDC
- Ambient Temperature: -30℃ to +75℃
- Dimensions (Approximate): 105mm x 74mm x 33mm
- Mounting: Panel mount, bolted (requires suitable heatsink for currents ≥10A, and additional fan cooling for currents ≥40A)
Uses:
- Heating Systems Control: Commonly used in industrial heating applications, such as furnaces, ovens, and other three-phase heating elements.
- Motor Control: Ideal for controlling three-phase motors, pumps, and fans, especially in applications requiring frequent start/stop cycles or precise control.
- Industrial Automation: Essential component in automated production processes, conveyor systems, plastic machinery (moulding, extruders), packaging equipment, and welding machines.
- HVAC&R Systems: Used in heating, ventilation, air conditioning, and refrigeration systems.
- Lighting Control Systems: For switching high-power lighting loads.
- Medical Equipment: Applications where silent and reliable switching is critical.
- Remote Control Systems: Enables remote activation and deactivation of high-power equipment.
- Various Commercial & Industrial Equipment: Any application requiring an electronic switch for AC loads.
Benefits:
- Long Lifespan: No moving parts means significantly longer operational life compared to electromechanical relays (100,000 to 5 million operations or 5-10 years).
- Fast Switching Speed: Can switch loads on and off very quickly (up to 120 times per minute, or ≤10ms), enabling precise control, especially for temperature regulation.
- Noiseless Operation: Operates silently, making it suitable for noise-sensitive environments.
- Enhanced Safety: Provides electrical isolation (often up to 2500V or 4000V) between the control and load circuits, reducing the risk of electrical hazards.
- Reduced EMI/RFI: Zero-crossing switching minimizes electrical noise, protecting other sensitive electronics.
- Low Power Consumption (Overall): More energy-efficient than traditional relays.
- High Reliability: Robust design and lack of mechanical wear parts ensure consistent and dependable performance.
- Vibration Resistance: Superior resistance to shock and vibration due to solid-state design, ideal for harsh industrial environments.
- Reduced Maintenance: Requires less maintenance due to its solid-state nature.
Package includes:
- 1x MGR-3 3PHASE SOLID STATE RELAY
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