Technical Parameters
Parameter / Feature Specification
Model / Type XT1C160 TMD50/500 3P FF MCCB
Number of Poles 3‑pole (3P)
Rated Current 50 A
Adjustable Current Range 50 A – 500 A
Trip Unit Type Thermomagnetic (TMD), adjustable
Rated Operational Voltage Up to 690 V AC
Rated Insulation Voltage (Ui) 1000 V
Rated Impulse Withstand Voltage (Uimp) 8 kV
Short‑Circuit Breaking Capacity High breaking capacity suitable for industrial applications
Connection / Terminals Front terminals (FF), fixed mounting
Current Type AC / DC compatible
Typical Applications Industrial power distribution, motor protection, machinery protection, branch‑circuit protection, general three‑phase load protection
The ABB XT1C160 TMD50/500 3‑pole FF is a fixed (non‑withdrawable) molded‑case circuit breaker designed to protect three‑phase electrical circuits in industrial and commercial low‑voltage installations. It features a thermomagnetic (TMD) trip unit with adjustable overload and short‑circuit settings. The breaker provides reliable overcurrent and short‑circuit protection, suitable for motor circuits, machinery, and general power distribution. Front-terminal (FF) mounting allows for easy integration into control panels and distribution boards, ensuring safe operation with high breaking capacity.