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AEG MM-PMA1-30S Motor Protection Relay
- Product Introduction: This is an adjustable motor protection relay from AEG, designed to safeguard three-phase motors against overload, phase loss, and thermal imbalance. It uses a bimetallic sensing element with temperature compensation for precise protection, ensuring motor longevity and reducing downtime in industrial applications.
- Technical Specifications:
- Current Setting Range: 10-30 A (adjustable); Accuracy: ±5% of set current.
- Protection Functions: Overload, phase loss, thermal imbalance, manual/automatic reset.
- Trip Characteristics: No trip at 1.05×set current (2 hours); trip at 1.2×set current (2 minutes); instant trip at 6×set current.
- Contact Rating: 1 NC auxiliary contact, 250 VAC/5 A, 30 VDC/2 A.
Detailed content
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- Power Supply: 24 VDC; Power Consumption: ≤3 W.
- Operating Temperature: -25°C to +60°C; Storage Temperature: -40°C to +85°C; Protection Rating: IP20.
- Dimensions: 50mm × 70mm × 65mm (W×H×D); Mounting: 35mm DIN rail; Reset Time: ≥5 minutes (automatic).
- Functional Features:
- Adjustable current setting fits motors from 10-30 A, covering a wide range of small to medium-sized industrial motors.
- Bimetallic sensing with temperature compensation ensures consistent protection across ambient temperatures.
- Phase loss and thermal imbalance protection prevent motor damage from common electrical faults.
- Manual/automatic reset options adapt to different operational requirements.
- LED indicators for power, trip status, and fault type enable quick troubleshooting.
- Compact design saves space in control cabinets; easy DIN rail installation.
- Application Scenarios: Used to protect motors in pumps, fans, compressors, and conveyor systems in factories, water treatment plants, and building automation. It is ideal for applications where reliable motor protection and minimal maintenance are critical.
