The 2907928 is a surge protection device from Phoenix Contact, specifically the PLT-SEC-T3-230-FM-PT model. Here are its key features:

Type: Type 3 surge protection device.

Nominal Voltage: 230 V AC/DC.

Protection Modes: L-N, L-PE, and N-PE.

Maximum Discharge Current: 10 kA.

Response Time: Less than 100 nanoseconds for quick protection.

Mounting: DIN rail compatible.

Compact Dimensions: Width 17.7 mm, Height 101 mm, Depth 74.5 mm.

Integrated Features: Status indicator and remote signaling for fault detection.