
ABB DDA202 Used
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The ABB DDA202 is a residual current add-on module that upgrades miniature circuit breakers with dependable earth-leakage protection. Designed for switchboard builders, maintenance teams and OEMs, it enables fast, standards-compliant protection in commercial and industrial distribution boards without redesigning existing layouts.
As part of ABB's System pro M compact range, the DDA202 couples directly to compatible S200 series MCBs to form an RCBO assembly. Its two-pole configuration covers line and neutral, while 35 mm DIN-rail mounting and robust screw terminals streamline installation and service. Front-facing test and operating controls support routine verification and safe operation.
Engineered for reliable fault detection and uptime, this module helps meet electrical safety requirements during upgrades and retrofits, and to give you added confidence in the field it is supplied with a 1-year warranty.
- Brand: ABB
- Series: DDA200
- Model: DDA202
- Device type: Residual current add-on module (RCD)
- Poles: 2
- Mounting: DIN-rail, 35 mm
- Compatibility: ABB S200 series MCBs
- Connection type: Screw terminals