Overview
The ABB BCHM-01C is a motor protection relay designed to safeguard industrial motors from overloads, phase failure, and electrical faults. It provides reliable monitoring and automatic tripping to maintain motor safety and optimize operational reliability.
General Information
Part Number: 3AUA0000088682
Brand / Country of Origin: ABB / Sweden
Manufacturer: ABB
Series: BCHM
Type: Motor Protection Relay
Mounting: Panel or DIN rail installation
Function: Monitors motor current, protects against overload and phase faults, and provides 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 system backplane
Protection: Integrated surge, short-circuit, and overload protection
Indicators: LEDs for operational status, fault, and trip condition
Communication & Interface
Interface Type: Hardwired terminals for motor control and alarm outputs
Signal Support: Motor start/stop, trip alarms, and auxiliary contacts
Diagnostics: Provides operational and fault status to operator
Operator Access: Front-panel indicators and reset function
Environmental
Operating Temperature: −20 to +60 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Enclosed industrial control cabinet
Durability: Resistant to vibration, electrical noise, and harsh industrial environments
Dimensions & Weight
Dimensions (L × W × H): 90 × 45 × 60 mm
Weight: ~0.18 kg
