Differential lock ABB
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ABB
Compact 4-pole residual‑current breaker, 25 A rating and 30 mA sensitivity, designed for industrial protection against ground faults. It offers differential protection with integrated lockout and is compatible with ABB System pro M modules.
ABB DDA204 4P 40A 300mA Type A RCD module delivers reliable earth‑fault protection with a compact dual‑module design, IEC compliant, ideal for residential and commercial circuits.
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