ABB BCU-02 3AUA0000110429 Breaker Control Unit / Monitoring & Protection Interface

FAQ

Q1: What is the primary function of the ABB BCU-02?
It provides automated breaker control and status monitoring, interfacing breaker auxiliary contacts with control system logic.

Q2: What kinds of signals does the BCU-02 handle?
It handles digital control inputs (breaker open/close) and discrete status outputs (breaker position and alarms).

Q3: How is the BCU-02 connected to field devices?
Field devices connect through screw terminals for inputs, outputs, and auxiliary contacts.

Q4: What supply voltage does the unit use?
It typically uses a DC control supply, such as 24 V DC.

Q5: Does the BCU-02 provide protection features?
It integrates with protection relays and auxiliary logic circuits to help manage breaker operation safely.

Q6: Where is the BCU-02 typically installed?
It is installed inside motor control cabinets, switchgear, or automated panels near breaker control wiring.

Q7: Can the BCU-02 operate in industrial environments?
Yes, it is designed for use in industrial automation environments within its rated temperature range.

Q8: What are the physical dimensions and weight of the BCU-02?
The control unit measures approximately 90 mm × 70 mm × 60 mm and weighs about 0.25 kg.

3AUA0000110429 ABB BCU-02

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