Overview
The ABB BAMU-01C is a compact motor protection relay designed for industrial applications. It protects motors from overload, phase failure, and short-circuit conditions while providing reliable monitoring and automatic tripping to maintain safe motor operation.
General Information
Part Number: 3AUA0000054712
Brand / Country of Origin: ABB / Sweden
Manufacturer: ABB
Series: BAMU
Type: Motor Protection Relay
Mounting: Panel or DIN rail installation
Function: Motor overload protection, phase monitoring, and trip signaling
Power Specifications
Supply Voltage: 24–60 V DC or 110–240 V AC (depending on configuration)
Power Consumption: Low-power design
Input Source: External control or power supply
Protection: Built-in surge, short-circuit, and overload protection
Indicators: LEDs for operational status, trip, and fault
Communication & Interface
Interface Type: Hardwired terminals for motor control and alarm outputs
Signal Support: Motor start/stop, trip alarms
Diagnostics: Provides operational and fault status
Operator Access: Front-panel LEDs and reset functions
Environmental
Operating Temperature: −20 to +60 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Industrial cabinet or panel
Durability: Resistant to vibration and electrical noise
Dimensions & Weight
Dimensions (L × W × H): 90 × 45 × 60 mm
Weight: ~0.18 kg
