Technical Parameters
Parameter Specification
Product type Molded Case Circuit Breaker (MCCB)
Product series ABB SACE Tmax T2S
Poles 3 poles
Terminal type Front fixed terminals (FF)
Trip unit type TMD (Thermal‑magnetic)
Current setting range 32–500 A
Rated uninterrupted current (Iu) 160 A frame rating
Rated operational voltage (Ue) Up to 690 V AC / 500 V DC
Rated insulation voltage (Ui) 800 V AC
Rated impulse withstand voltage (Uimp) 8 kV
Rated service short‑circuit breaking capacity (Ics) 100 kA @ 220–230 V AC; 70 kA @ 380–415 V AC; 55 kA @ 440 V AC; 36 kA @ 500 V AC; 8 kA @ 690 V AC (typical IEC values)
Rated ultimate breaking capacity (Icu) Same as Ics depending on system voltage
Protection functions Overload and short‑circuit protection
Standards compliance IEC 60947‑2
Mechanical durability ~25,000 operations
Electrical durability ~8,000 operations at rated load
Mounting Fixed panel installation
Typical applications Industrial and commercial power distribution, feeder protection, motor control centers
The ABB T2S160 TMD32/500 FF 3P is a three‑pole molded case circuit breaker designed for protection and manual switching of low‑voltage electrical distribution circuits. It features a TMD thermal‑magnetic trip unit with an adjustable current range from 32 A to 500 A, offering reliable overload and short‑circuit protection. The breaker has front fixed terminals (FF) for easy installation in distribution panels, motor control centers, and industrial switchboards. Its robust construction ensures high durability and dependable operation in industrial and commercial power systems.