ABB F204 RCCB 100A 4-Pole 30mA Type A — ELCB

ABB ELCB/RCCB 100A 4P 30mA F204 is a four-pole residual current device designed for robust leakage protection in UAE installations. With 100 A rated current and 30 mA sensitivity, it helps prevent electrical fires and electric shock in residential, commercial, and industrial panels.

Key Features

• Current Rating: 100 A
• Number of Poles: 4
• Sensitivity: 30 mA
• Technical Characteristic: F204
• Product Type: Standard Earth Leakage Circuit Breaker (ELCB/RCCB)
• Brand: ABB
• Applications: Residential, commercial and industrial installations

Technical Specifications

Applications

• Residential electrical panels in UAE homes and apartments
• Commercial distribution boards for offices and retail spaces
• Light industrial equipment protection in workshops and factories

FAQ

• What's the difference between an MCB and an RCCB/RCD?
  An MCB protects circuits and wiring against overload and short-circuit current. An RCCB like this one protects against earth leakage by monitoring current imbalance and disconnecting the circuit — the two are complementary and are normally installed together in a distribution board.
• What does the 30mA sensitivity rating mean?
  30mA RCCBs are sized for personnel/shock protection on final circuits — the standard choice for socket outlets and circuits people directly touch.
• How many poles do I need?
  A 4-pole (4P) RCCB switches all three phases plus neutral together. Use 4P for three-phase supplies or distribution boards where the neutral must also be isolated; 2-pole devices are used for single-phase circuits.
• Can this be used alongside MCBs in the same board?
  Yes. This RCCB is typically installed upstream of the MCBs it protects, on the same DIN rail, so a leakage fault trips the RCCB while overloads/short circuits are still cleared by the individual MCBs.
• Can I install this myself?
  No. RCCBs are wired into a live distribution board and must be installed by a licensed electrician in line with UAE wiring regulations.